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Keywords = Artocarpus altilis

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26 pages, 2665 KiB  
Article
Contrasted Ethnobotanical and Literature Knowledge of Anti-Mosquito Plants from Guadeloupe
by Yolène Duchaudé, Laura Brelle, Muriel Sylvestre, Anubis Vega-Rúa and Gerardo Cebrián-Torrejón
Biology 2025, 14(7), 888; https://doi.org/10.3390/biology14070888 - 19 Jul 2025
Viewed by 942
Abstract
The Aedes aegypti mosquito, vector of dengue, is a major public health threat in the Caribbean. In Guadeloupe, where dengue outbreaks occur frequently, traditional plant-based remedies are part of the local heritage but remain poorly documented. This study aimed to evaluate the anti-mosquito [...] Read more.
The Aedes aegypti mosquito, vector of dengue, is a major public health threat in the Caribbean. In Guadeloupe, where dengue outbreaks occur frequently, traditional plant-based remedies are part of the local heritage but remain poorly documented. This study aimed to evaluate the anti-mosquito potential of 38 Guadeloupean plants through an ethnobotanical survey. A semi-structured online questionnaire was conducted over five months, targeting the plant knowledge of residents. Inclusion/exclusion criteria were applied to identify and validate relevant species. Ethnobotanical indices such as Frequency of Citation (FC), Fidelity Level (FL), and Relative Frequency of Citation (RFC) were calculated. Out of the 38 surveyed plants, 22 were confirmed for their traditional anti-mosquito uses. The most cited species included Cymbopogon citratus (93.3%), Artocarpus altilis (25%), and Pimenta racemosa (18.3%). Comparative analysis with existing literature showed that 12 of these plants had not been previously reported for vector control. This highlights the value of ethnobotanical approaches for discovering alternative, eco-friendly vector control options and the importance of preserving traditional knowledge. The study reveals both the high potential of Guadeloupean flora and the risk of cultural erosion, supporting further research into the bioactive compounds of the most cited species. Full article
(This article belongs to the Special Issue Young Researchers in Plant Sciences)
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15 pages, 3824 KiB  
Article
Optimization of Extrusion Cooking for Enhanced Physicochemical Properties in Jackfruit Seed (Artocarpus altilis) and Nixtamalized Maize (Zea mays L.) Flour Blend
by José M. Juárez-Barrientos, Betsabé Hernández-Santos, Juan G. Torruco-Uco, Cecilia E. Martínez-Sánchez, Erasmo Herman-Lara, Emmanuel J. Ramírez-Rivera, Enrique Ramírez-Figueroa, América V. Avendaño-Apolinar, Adán Cabal-Prieto and Jesús Rodríguez-Miranda
Processes 2025, 13(3), 772; https://doi.org/10.3390/pr13030772 - 7 Mar 2025
Cited by 2 | Viewed by 1765
Abstract
Extrusion is a key process in the production of ready-to-eat snacks, with a wide processing capacity of non-conventional raw materials such as jackfruit seed flour and nixtamalized corn, which improves the nutritional profile of the snacks. This study aims to optimize the extrusion [...] Read more.
Extrusion is a key process in the production of ready-to-eat snacks, with a wide processing capacity of non-conventional raw materials such as jackfruit seed flour and nixtamalized corn, which improves the nutritional profile of the snacks. This study aims to optimize the extrusion cooking parameters of extrusion temperature (ET), moisture content (MC), and the ratio of jackfruit seed flour in nixtamalized maize flour (JSF/NMF) to enhance the physicochemical properties of ready-to-eat extruded products. The process parameters and JSF/NMF were optimized using a Box–Behnken design and response surface methodology. JSF/NMF and ET were found to significantly (p < 0.05) affect specific mechanical energy (SME), the expansion index (EI), hardness (H), the water absorption index (WAI), the browning index (BI), and overall acceptance (OA). The optimal conditions were an ET of 145.15 °C, MC of 22 g/100 g, and JSF/NMF of 70 g/100 g, which led to an extrudate with an SME of 273.38 J/g, EI of 1.12, H of 58.75 N, WAI of 6.14 g/g, BI of 61.68, OA of 4.56, protein content of 12.10 g/100 g, and fiber content of 4.86 g/100 g. It was demonstrated that the use of jackfruit seed flour and nixtamalized maize flour as non-conventional flour in the preparation of ready-to-eat snacks through extrusion was feasible in a single-screw extruder, obtaining favorable results in quality parameters that characterize extruded snacks. Full article
(This article belongs to the Section Food Process Engineering)
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24 pages, 1788 KiB  
Article
Sustainable Valorization of Breadfruit (Artocarpus altilis Leaves) as a Pasta Ingredient
by Anthony Masiala, Audrey Vingadassalon, Sarah Lemoyne, Ewa Pejcz, Agata Wojciechowicz-Budzisz, Remigiusz Olędzki, Guylene Aurore and Joanna Harasym
Sustainability 2024, 16(24), 11030; https://doi.org/10.3390/su162411030 - 16 Dec 2024
Viewed by 1537
Abstract
This study investigated the innovative incorporation of Artocarpus altilis leaves into potato-based gnocchi, demonstrating a sustainable approach to valorizing underutilized plant materials. Breadfruit leaves, often discarded as agricultural waste, represent an untapped resource rich in bioactive compounds and antioxidants. By incorporating these leaves [...] Read more.
This study investigated the innovative incorporation of Artocarpus altilis leaves into potato-based gnocchi, demonstrating a sustainable approach to valorizing underutilized plant materials. Breadfruit leaves, often discarded as agricultural waste, represent an untapped resource rich in bioactive compounds and antioxidants. By incorporating these leaves into pasta products, we demonstrate a promising strategy for enhancing food systems’ nutritional profile and sustainability. The research examined the functional, pasting, and bioactive properties of Artocarpus altilis leaf blends with potato flakes. The blends showed significant water-holding capacity (4.88–8.58 g H2O/g DM) and notable antioxidant activity in both aqueous and ethanolic extracts (DPPH: 1.95–3.35 mg TE/g DM). Pasting profiles revealed that increasing the Artocarpus altilis concentration progressively modified the starch behavior, reducing the peak viscosity from 972.5 to 530.0 mPa·s. Gnocchi formulated with 10% Artocarpus altilis leaves demonstrated good stability during 4-day storage, with minimal color changes (ΔL* ≈ 2) and predictable textural evolution (cutting force increase from 4.5 to 5.8 N). The incorporation of these leaves enhances the nutritional profile through increased antioxidant content and promotes sustainable food production by utilizing agricultural by-products. This approach demonstrates the potential for developing eco-friendly food products while supporting local agricultural economies in tropical regions with abundant Artocarpus altilis. The successful integration of these leaves into a popular food product opens new possibilities for sustainable food innovation and waste reduction in the food industry. Full article
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17 pages, 2497 KiB  
Article
Microcystis viridis NIES-102 Cyanobacteria Lectin (MVL) Interacts with SARS-CoV-2 Spike Protein Receptor Binding Domains (RBDs) via Protein–Protein Interaction
by Zhengguang Wang, Zhihan Yang, Mami Shishido, Khadija Daoudi, Masafumi Hidaka, Hiroaki Tateno, Eugene Futai and Tomohisa Ogawa
Int. J. Mol. Sci. 2024, 25(12), 6696; https://doi.org/10.3390/ijms25126696 - 18 Jun 2024
Cited by 2 | Viewed by 1683
Abstract
The emergence of coronavirus disease 2019 (COVID-19) posed a major challenge to healthcare systems worldwide, especially as mutations in the culprit Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) complicated the development of vaccines and antiviral drugs. Therefore, the search for natural products with [...] Read more.
The emergence of coronavirus disease 2019 (COVID-19) posed a major challenge to healthcare systems worldwide, especially as mutations in the culprit Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) complicated the development of vaccines and antiviral drugs. Therefore, the search for natural products with broad anti-SARS-CoV-2 capabilities is an important option for the prevention and treatment of similar infectious diseases. Lectins, which are widely recognized as antiviral agents, could contribute to the development of anti-SARS-CoV-2 drugs. This study evaluated the binding affinity of six lectins (including the cyanobacterial lectin from Microcystis viridis NIES-102 (MVL), and Jacalin, a lectin from the breadfruit, Artocarpus altilis) to the receptor binding domain (RBD) of the spike protein on the original (wild) SARS-CoV-2 and three of its mutants: Alpha, Delta, and Omicron. MVL and Jacalin showed distinct binding affinity to the RBDs of the four SARS-CoV-2 strains. The remaining four lectins (DB1, ConA, PHA-M and CSL3) showed no such binding affinity. Although the glycan specificities of MVL and Jacalin were different, they showed the same affinity for the spike protein RBDs of the four SARS-CoV-2 strains, in the order of effectiveness Alpha > Delta > original > Omicron. The verification of glycan-specific inhibition revealed that both lectins bind to RBDs by glycan-specific recognition, but, in addition, MVL binds to RBDs through protein–protein interactions. Full article
(This article belongs to the Special Issue Antiviral Activity of Lectins)
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14 pages, 311 KiB  
Article
Production and Characterization of Snacks Utilizing Composite Flour from Unripe Plantain (Musa paradisiaca), Breadfruit (Artocarpus altilis), and Cinnamon (Cinnamomum venum)
by Mojisola Olanike Adegunwa, Busayo Olabisi Ogungbesan, Olasunkanmi Abdulganiu Adekoya, Ebunoluwa Eniola Akinloye, Oluwadolapo Daniel Idowu and Oladeji Emmanuel Alamu
Foods 2024, 13(6), 852; https://doi.org/10.3390/foods13060852 - 11 Mar 2024
Cited by 1 | Viewed by 2233
Abstract
This study aimed to assess the characteristics of flour and cookies produced from composite plantain, breadfruit, and cinnamon blends. Six samples were created by combining the flours (Plantain, Breadfruit, and Cinnamon Composite (PBC)) in the following proportions: 100:0:0, 0:100:0, 65:30:5, 70:25:5, 75:20:5, and [...] Read more.
This study aimed to assess the characteristics of flour and cookies produced from composite plantain, breadfruit, and cinnamon blends. Six samples were created by combining the flours (Plantain, Breadfruit, and Cinnamon Composite (PBC)) in the following proportions: 100:0:0, 0:100:0, 65:30:5, 70:25:5, 75:20:5, and 80:15:5. The flours were subjected to proximate, functional, and color analyses using standard methods. The results obtained included moisture content (7.13–9.56%), ash (6.37–7.14%), protein (8.38–12.62%), fat (8.36–12.92%), crude fiber (6.54–7.52%), and carbohydrate (51.84–60.83%). The functional properties of the flour included bulk density (0.66–0.80 g/mol), water absorption capacity (1.91–2.87%), oil absorption capacity (0.88–1.91%), swelling power (3.89–5.30), solubility index (0.01–0.04%), dispersibility (48.55–66.05%), tannin content (1.71–3.98 mg/g), and phytate content (1.57–3.35 mg/g). The analyses revealed significant differences (p < 0.05) in the proximate composition of the cookie samples. The values ranged from 6.19 to 7.99% for moisture content, 16.06 to 24.75% for crude fat, 3.10 to 8.13% for crude ash, 3.62 to 7.15% for crude fiber, 8.18 to 10.99% for crude protein, and 43.82 to 59.03% for carbohydrates. Substantial changes (p < 0.05) in color analysis and sensory qualities were observed in the cookie samples, and sample B (100% breadfruit flour) had the most appreciable color attributes. However, the cookies produced from 75:20:5 plantain–breadfruit–cinnamon flour had the highest overall acceptability along with improved nutritional properties. These findings suggest that adding breadfruit and cinnamon flour to cookies could improve their nutritional content, particularly in ash, fiber, fat, and protein. Full article
18 pages, 2639 KiB  
Article
Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [Artocarpus altilis (Parkinson) Fosberg] Germplasm
by Oral O. Daley, Angela T. Alleyne, Laura B. Roberts-Nkrumah and Lambert A. Motilal
Horticulturae 2024, 10(3), 253; https://doi.org/10.3390/horticulturae10030253 - 6 Mar 2024
Cited by 2 | Viewed by 1736
Abstract
Breadfruit [Artocarpus altilis (Parkinson) Fosberg] is recognized as a tropical fruit tree crop with great potential to contribute to food and nutrition security in the Caribbean and other tropical regions. However, the genetic diversity and germplasm identification in the Caribbean and elsewhere [...] Read more.
Breadfruit [Artocarpus altilis (Parkinson) Fosberg] is recognized as a tropical fruit tree crop with great potential to contribute to food and nutrition security in the Caribbean and other tropical regions. However, the genetic diversity and germplasm identification in the Caribbean and elsewhere are poorly understood and documented. This hampers the effective conservation and use of the genetic resources of this tree crop for commercial activities. This study assessed the genetic identity, diversity, ancestry, and phylogeny of breadfruit germplasm existing in the Caribbean and several newly introduced accessions using 117 SNPs from 10 SSR amplicon sequences. The results showed that there was high and comparable genetic diversity in the breadfruit germplasm in the Caribbean, and the newly introduced breadfruit accessions were based on nucleotide diversity (πT) 0.197 vs. 0.209, respectively, and nucleotide polymorphism (θW) 0.312 vs. 0.297, respectively. Furthermore, the existing Caribbean breadfruit accessions and the newly introduced breadfruit accessions were statistically genetically undifferentiated from each other (p < 0.05). Ancestry and phylogeny analysis corroborated the genetic relatedness of these two groups, with accessions of these groups being present in both main germplasm clusters. This suggests that the existing Caribbean breadfruit germplasm harbors a higher level of genetic diversity than expected. Full article
(This article belongs to the Special Issue Advances in Developmental Biology in Tree Fruit and Nut Crops)
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12 pages, 2512 KiB  
Article
Determining Allometry and Carbon Sequestration Potential of Breadfruit (Artocarpus altilis) as a Climate-Smart Staple in Hawai‘i
by Chad Livingston and Noa Kekuewa Lincoln
Sustainability 2023, 15(22), 15682; https://doi.org/10.3390/su152215682 - 7 Nov 2023
Cited by 2 | Viewed by 3554
Abstract
Breadfruit (Artocarpus altilis) is an underutilized Pacific tree crop that has been highlighted as having substantial potential to contribute to global food security and climate-smart agriculture, including adaptation to and mitigation of climate change. To explore the carbon sequestration potential of [...] Read more.
Breadfruit (Artocarpus altilis) is an underutilized Pacific tree crop that has been highlighted as having substantial potential to contribute to global food security and climate-smart agriculture, including adaptation to and mitigation of climate change. To explore the carbon sequestration potential of breadfruit production, we characterize tree volume, wood density, carbon density, foliar biomass, and growth rates of breadfruit in Hawai‘i. Strong relationships to trunk or branch diameter were displayed for wood density (r2 0.81), carbon density (r2 0.87), and foliar biomass (r2 0.91), which were combined to generate an allometric prediction of tree volume (r2 0.98) based on tree diameter at breast height. Growth rates, as measured by diameter at breast height, were well predicted over time when trees were classified by habitat suitability. We extrapolate potential breadfruit growth and carbon sequestration in above-ground biomass to the landscape scale over time. This study shows that breadfruit is on the low end of broadleaf tropical trees in moist and wet environments, but in an orchard can be expected to sequester ~69.1 tons of carbon per hectare in its above-ground biomass over a 20-year period. Full article
(This article belongs to the Section Sustainable Agriculture)
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17 pages, 1975 KiB  
Article
In Vitro Inhibitory Activities against α-Glucosidase, α-Amylase, and Pancreatic Lipase of Medicinal Plants Commonly Used in Chocó (Colombia) for Type 2 Diabetes and Obesity Treatment
by Kevin P. Lévuok-Mena, Oscar J. Patiño-Ladino and Juliet A. Prieto-Rodríguez
Sci. Pharm. 2023, 91(4), 49; https://doi.org/10.3390/scipharm91040049 - 18 Oct 2023
Cited by 6 | Viewed by 4059
Abstract
Plant-based therapies are widely utilized for treating diseases in approximately 80% of the global population, including Colombia’s Chocó Department. This study aimed to identify and evaluate plants with significant therapeutic value for obesity and diabetes in Chocó. The inhibitory effects of these plants [...] Read more.
Plant-based therapies are widely utilized for treating diseases in approximately 80% of the global population, including Colombia’s Chocó Department. This study aimed to identify and evaluate plants with significant therapeutic value for obesity and diabetes in Chocó. The inhibitory effects of these plants on pancreatic lipase (PL), α-glucosidase (AG), and α-amylase (AA) were assessed, and the most promising species were selected to isolate and identify bioactive components. Artocarpus altilis, Momordica balsamina, Bauhinia picta, Neurolaena lobata, and Vismia macrophylla emerged as key species based on their traditional usage among the Chocó population. Notably, the extract derived from Vismia macrophylla demonstrated the most encouraging outcomes as a digestive enzyme inhibitor, exhibiting IC50 values of 0.99 ± 0.21 μg/mL, 5.61 ± 0.82 mg/mL, and 28.91 ± 2.10 μg/mL for AG, AA, and PL, respectively. Further chemical analysis led to the isolation of three bioactive compounds: 5′-demethoxycadensin G 1, para-hydroxybenzoic acid methyl ester 2, and para-hydroxybenzoic acid butyl ester 3. Compound 1 displayed the highest activity against AG (IC50 = 164.30 ± 0.11 μM), while compounds 2 (IC50 = 28.50 ± 4.07 μM) and 3 (IC50 = 10.15 ± 3.42 μM) exhibited potent inhibitory effects on PL. Molecular docking and enzymatic kinetics studies indicate that these bioactive compounds primarily act as mixed inhibitors of AG and non-competitive inhibitors of PL. These findings underscore the potential of V. macrophylla and its compounds as effective inhibitors of digestive enzymes associated with obesity and type 2 diabetes. Full article
(This article belongs to the Topic Natural Products and Drug Discovery)
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13 pages, 3212 KiB  
Article
Total Flavonoid Contents and the Expression of Flavonoid Biosynthetic Genes in Breadfruit (Artocarpus altilis) Scions Growing on Lakoocha (Artocarpus lakoocha) Rootstocks
by Yuchan Zhou and Steven J. R. Underhill
Plants 2023, 12(18), 3285; https://doi.org/10.3390/plants12183285 - 16 Sep 2023
Cited by 1 | Viewed by 1723
Abstract
Breadfruit (Artocarpus altilis) is a traditional fruit tree of 15–30 m height in the tropics. The presence of size-controlling rootstock in the species is not known. A small tropical tree species, lakoocha (Artocarpus lakoocha), was recently identified as a [...] Read more.
Breadfruit (Artocarpus altilis) is a traditional fruit tree of 15–30 m height in the tropics. The presence of size-controlling rootstock in the species is not known. A small tropical tree species, lakoocha (Artocarpus lakoocha), was recently identified as a potential vigor-controlling rootstock, conferring over a 65% reduction in breadfruit tree height. To better understand the intriguing scion/rootstock interactions involved in dwarfing, we investigate flavonoid accumulation and its regulation in breadfruit scions in response to different rootstocks. To this end, we isolated a chalcone synthase cDNA, AaCHS, and a full-length bifunctional dihydroflavonol 4-reductase cDNA, AaDFR, from breadfruit scion stems. The expression of both AaCHS and AaDFR genes was examined over the period of 16 to 24 months following grafting. During the development of the dwarf phenotype, breadfruit scion stems on lakoocha rootstocks display significant increases in total flavonoid content, and show upregulated AaCHS expression when compared with those on self-grafts and non-grafts. There is a strong, positive correlation between the transcript levels of AaCHS and total flavonoid content in scion stems. The transcript levels of AaDFR are not significantly different across scions on different rootstocks. This work provides insights into the significance of flavonoid biosynthesis in rootstock-induced breadfruit dwarfing. Full article
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11 pages, 3764 KiB  
Article
Antioxidant, Anti-Inflammation and Antiaging Activities of Artocarpus altilis Methanolic Extract on Urban Particulate Matter-Induced HaCaT Keratinocytes Damage
by Chun-Yin Yang, Cheng-Chang Pan, Chih-Hua Tseng and Feng-Lin Yen
Antioxidants 2022, 11(11), 2304; https://doi.org/10.3390/antiox11112304 - 21 Nov 2022
Cited by 11 | Viewed by 4917
Abstract
Particulate matter (PM) is one of the reasons that exacerbate skin diseases. Impaired barrier function is a common symptom in skin diseases, including atopic dermatitis, eczema and psoriasis. Herbal extracts rich in antioxidants are thought to provide excellent pharmacological activities; however, the anti-pollution [...] Read more.
Particulate matter (PM) is one of the reasons that exacerbate skin diseases. Impaired barrier function is a common symptom in skin diseases, including atopic dermatitis, eczema and psoriasis. Herbal extracts rich in antioxidants are thought to provide excellent pharmacological activities; however, the anti-pollution activity of Artocarpus altilis extract (AAM) has not been investigated yet. The present study demonstrated that 5 μg/mL of AAM was considered to be a safe dose for further experiments without cytotoxicity. Next, we evaluated the anti-pollution activity of AAM through the PM-induced keratinocytes damage cell model. The results showed that AAM could reduce PM-induced overproduction of intracellular ROS and the final product of lipid peroxidation, 4-hydroxynonenal (4HNE). In addition, AAM not only reduced the inflammatory protein expressions, including tumor necrosis factor α (TNFα), TNF receptor 1 (TNFR1) and cyclooxygenase-2 (COX-2), but also balanced the aging protein ratio of matrix metalloproteinase (MMPs) and tissue inhibitors of metalloproteases (TIMPs) through downregulating the phosphorylation of mitogen-activated protein kinase (MAPK) signaling. For skin barrier protection, AAM could repair PM-induced barrier function proteins damage, including filaggrin, loricrin and aquaporin 3 for providing anti-aging bioactivity. In conclusion, AAM has the potential to be developed as an anti-pollution active ingredient for topical skin products to prevent skin oxidation, inflammation and aging, and restore the skin barrier function. Full article
(This article belongs to the Special Issue Natural Antioxidants: Multiple Mechanisms for Skin Protection)
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12 pages, 2816 KiB  
Article
Characterisation of Breadfruit (Artocarpus altilis) Plants Growing on Lakoocha (A. lakoocha) Rootstocks
by Yuchan Zhou and Steven J. R. Underhill
Horticulturae 2022, 8(10), 916; https://doi.org/10.3390/horticulturae8100916 - 7 Oct 2022
Cited by 2 | Viewed by 3325
Abstract
Breadfruit (Artocarpus altilis) is a traditional fruit tree of 15–30 m tall in Oceania. The species is a staple crop for food security in the tropics. Tree loss from tropical windstorms, together with transition toward high-density planting has driven an interest [...] Read more.
Breadfruit (Artocarpus altilis) is a traditional fruit tree of 15–30 m tall in Oceania. The species is a staple crop for food security in the tropics. Tree loss from tropical windstorms, together with transition toward high-density planting has driven an interest in the dwarf phenotype of the species. Information on dwarfing rootstocks for breadfruit is currently limited. The aim of this study was to assess the performance of breadfruit growth with lakoocha (Artocarpus lakoocha) as rootstocks. We compared the phenotype of breadfruit trees on lakoocha rootstocks with those on self-graft and non-graft within 21 months after grafting. These led to the discovery of a rootstock-induced dwarf trait in breadfruit species. Breadfruit scions on lakoocha rootstocks displayed a reduction in tree height, stem thickness, and internode length, with fewer branches and leaves, resulting in about 32% of the standard height at the end of 21 months after grafting. These suggest lakoocha rootstocks have the potential to control breadfruit tree vigor. Non-structural carbohydrate analysis showed the composite trees exhibited lower hexose concentration in both scion stems and roots, but higher sucrose level in scion stems, and higher starch level in roots. The significance of these parameters in rootstock dwarfing is discussed. Full article
(This article belongs to the Section Fruit Production Systems)
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22 pages, 2439 KiB  
Article
Phytochemical Composition, Antibacterial Activity, and Antioxidant Properties of the Artocarpus altilis Fruits to Promote Their Consumption in the Comoros Islands as Potential Health-Promoting Food or a Source of Bioactive Molecules for the Food Industry
by Toilibou Soifoini, Dario Donno, Victor Jeannoda, Danielle Doll Rakoto, Ahmed Msahazi, Saidi Mohamed Mkandzile Farhat, Mouandhoime Zahahe Oulam and Gabriele Loris Beccaro
Foods 2021, 10(9), 2136; https://doi.org/10.3390/foods10092136 - 9 Sep 2021
Cited by 15 | Viewed by 7760
Abstract
The present study aimed to evaluate the health-promoting potential of breadfruit (Artocarpus altilis (Parkinson) Fosberg, Moraceae family), a traditional Comorian food, considering the sample variability according to geographic localisation. Moreover, the main aims of this research were also to promote its consumption [...] Read more.
The present study aimed to evaluate the health-promoting potential of breadfruit (Artocarpus altilis (Parkinson) Fosberg, Moraceae family), a traditional Comorian food, considering the sample variability according to geographic localisation. Moreover, the main aims of this research were also to promote its consumption in the Comoros Islands as potential health-promoting food and evaluate it as a source of bioactive molecules for the food industry thanks to its antioxidant and antibacterial properties. Investigations on biologically active substances were carried out on the extracts obtained from breadfruit flours from five regions of Grande Comore (Ngazidja), the main island in Comoros. Phytochemical screening revealed the presence of tannins and polyphenols, flavonoids, leucoanthocyanins, steroids, and triterpenes. The considered secondary metabolites were phenolic compounds, vitamin C, monoterpenes, and organic acids. The contents of total phenolic compounds (mgGAE/100 g of dry weight—DW) in the extracts ranged from 29.69 ± 1.40 (breadfruit from Mbadjini—ExMBA) to 96.14 ± 2.07 (breadfruit from Itsandra—ExITS). These compounds included flavanols, flavonols, cinnamic acid and benzoic acid derivatives, and tannins which were detected at different levels in the different extracts. Chlorogenic acid presented the highest levels between 26.57 ± 0.31 mg/100 g DW (ExMIT) and 43.80 ± 5.43 mg/100 g DW (ExMBA). Quercetin was by far the most quantitatively important flavonol with levels ranging from 14.68 ± 0.19 mg/100 g DW (ExMIT) to 29.60 ± 0.28 mg/100 g DW (ExITS). The extracts were also rich in organic acids and monoterpenes. Quinic acid with contents ranging from 77.25 ± 6.04 mg/100 g DW (ExMBA) to 658.56 ± 0.25 mg/100 g DW of ExHAM was the most important organic acid in all the breadfruit extracts, while limonene was quantitatively the main monoterpene with contents between 85.86 ± 0.23 mg/100 g DW (ExMIT) and 565.45 ± 0.24 mg/100 g DW (ExITS). The antibacterial activity of the extracts was evaluated on twelve pathogens including six Gram (+) bacteria and six Gram (−) bacteria. By the solid medium disc method, except for Escherichia coli and Pseudomonas aeruginosa, all the bacteria were sensitive to one or more extracts. Inhibitory Halo Diameters (IHDs) ranged from 8 mm to 16 mm. Salmonella enterica, Clostridium perfringens, and Vibrio fischeri were the most sensitive with IHD > 14 mm for ExITS. By the liquid microdilution method, MICs ranged from 3.12 mg/mL to 50 mg/mL and varied depending on the extract. Bacillus megaterium was the most sensitive with MICs ≤ 12.5 mg/mL. Pseudomonas aeruginosa, Shigella flexneri, and Vibrio fischeri were the least sensitive with all MICs ≥ 12.5 mg/mL. ExHAM was most effective with a MIC of 3.12 mg/mL on Staphylococcus aureus and 6.25 mg/mL on Salmonella enterica. The antioxidant power of the extracts was evaluated by the FRAP method. The activity ranged from 5.44 ± 0.35 (ExMBA) to 14.83 ± 0.11 mmol Fe2+/kg DW (ExHAM). Breadfruit from different regions of Comoros contained different classes of secondary metabolites well known for their important pharmacological properties. The results of this study on phenolics, monoterpenes, and organic acids have provided new data on these fruits. The obtained results showed that breadfruit from the biggest island of the Union of Comoros also presented antimicrobial and antioxidant properties, even if some differences in effectiveness existed between fruits from different regions. Full article
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13 pages, 2979 KiB  
Article
Expression of Gibberellin Metabolism Genes and Signalling Components in Dwarf Phenotype of Breadfruit (Artocarpus altilis) Plants Growing on Marang (Artocarpus odoratissimus) Rootstocks
by Yuchan Zhou and Steven J. R. Underhill
Plants 2020, 9(5), 634; https://doi.org/10.3390/plants9050634 - 15 May 2020
Cited by 12 | Viewed by 3552
Abstract
Breadfruit (Artocarpus altilis) is a traditional staple tree crop throughout the tropics. The species is an evergreen tree 15–20 m; there are currently no size-controlling rootstocks within the species. Through interspecific grafting, a dwarf phenotype was identified in breadfruit plants growing [...] Read more.
Breadfruit (Artocarpus altilis) is a traditional staple tree crop throughout the tropics. The species is an evergreen tree 15–20 m; there are currently no size-controlling rootstocks within the species. Through interspecific grafting, a dwarf phenotype was identified in breadfruit plants growing on Marang (Artocarpus odoratissimus) rootstocks, which displayed ~60% reduction in plant height with ~80% shorter internodes. To gain insight into the molecular mechanism underlying rootstock-induced dwarfing, we investigated the involvement of gibberellin (GA) in reduction of stem elongation. Expression of GA metabolism genes was analysed in the period from 18 to 24 months after grafting. In comparison to self-graft and non-graft, scion stems on marang rootstocks displayed decrease in expression of a GA biosynthetic gene, AaGA20ox3, and increase in expression of a GA catabolic genes, AaGA2ox1, in the tested 6-month period. Increased accumulation of DELLA proteins (GA-signalling repressors) was found in scion stems growing on marang rootstocks, together with an increased expression of a DELLA gene, AaDELLA1. Exogenous GA treatment was able to restore the stem elongation rate and the internode length of scions growing on marang rootstocks. The possibility that GA deficiency forms a component of the mechanism underlying rootstock-induced breadfruit dwarfing is discussed. Full article
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17 pages, 1881 KiB  
Article
Draft Genomes of Two Artocarpus Plants, Jackfruit (A. heterophyllus) and Breadfruit (A. altilis)
by Sunil Kumar Sahu, Min Liu, Anna Yssel, Robert Kariba, Samuel Muthemba, Sanjie Jiang, Bo Song, Prasad S. Hendre, Alice Muchugi, Ramni Jamnadass, Shu-Min Kao, Jonathan Featherston, Nyree J. C. Zerega, Xun Xu, Huanming Yang, Allen Van Deynze, Yves Van de Peer, Xin Liu and Huan Liu
Genes 2020, 11(1), 27; https://doi.org/10.3390/genes11010027 - 24 Dec 2019
Cited by 31 | Viewed by 12405
Abstract
Two of the most economically important plants in the Artocarpus genus are jackfruit (A. heterophyllus Lam.) and breadfruit (A. altilis (Parkinson) Fosberg). Both species are long-lived trees that have been cultivated for thousands of years in their native regions. Today they [...] Read more.
Two of the most economically important plants in the Artocarpus genus are jackfruit (A. heterophyllus Lam.) and breadfruit (A. altilis (Parkinson) Fosberg). Both species are long-lived trees that have been cultivated for thousands of years in their native regions. Today they are grown throughout tropical to subtropical areas as an important source of starch and other valuable nutrients. There are hundreds of breadfruit varieties that are native to Oceania, of which the most commonly distributed types are seedless triploids. Jackfruit is likely native to the Western Ghats of India and produces one of the largest tree-borne fruit structures (reaching up to 45 kg). To-date, there is limited genomic information for these two economically important species. Here, we generated 273 Gb and 227 Gb of raw data from jackfruit and breadfruit, respectively. The high-quality reads from jackfruit were assembled into 162,440 scaffolds totaling 982 Mb with 35,858 genes. Similarly, the breadfruit reads were assembled into 180,971 scaffolds totaling 833 Mb with 34,010 genes. A total of 2822 and 2034 expanded gene families were found in jackfruit and breadfruit, respectively, enriched in pathways including starch and sucrose metabolism, photosynthesis, and others. The copy number of several starch synthesis-related genes were found to be increased in jackfruit and breadfruit compared to closely-related species, and the tissue-specific expression might imply their sugar-rich and starch-rich characteristics. Overall, the publication of high-quality genomes for jackfruit and breadfruit provides information about their specific composition and the underlying genes involved in sugar and starch metabolism. Full article
(This article belongs to the Special Issue Recent Advances in Orphan Crop Genetics and Genomics)
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11 pages, 1825 KiB  
Article
Interactions between People and Breadfruit in Hawai’i: Consumption, Preparation, and Sourcing Patterns
by Amber Needham and Noa Lincoln
Sustainability 2019, 11(18), 4983; https://doi.org/10.3390/su11184983 - 12 Sep 2019
Cited by 2 | Viewed by 3248
Abstract
Traditional crops are often forwarded as a critical means for increasing local food, yet little is understood about their consumption patterns in contemporary food systems. This study utilizes a survey to examine the consumption patterns, preparation methods, sources utilized, and awareness of health [...] Read more.
Traditional crops are often forwarded as a critical means for increasing local food, yet little is understood about their consumption patterns in contemporary food systems. This study utilizes a survey to examine the consumption patterns, preparation methods, sources utilized, and awareness of health benefits of breadfruit (Artocarpus altilis) in Hawai’i. Results indicated that an average of 13.7 servings of breadfruit per year are eaten by an individual; however, the distribution of consumption follows an exponential curve and 57% of participants only eat it three times per year or less. Approximately one-quarter (22%) of a breadfruit is eaten in one sitting on average, which equates to approximately 71 dry grams. Awareness of health benefits correlated to increased consumption, as did knowledge or preparation methods. While a range of sources were utilized, 71% of people source their fruit from a backyard tree, while only 5% ever obtained fruit from a retail store. Such information is useful in determining the consumptive impacts of intervention programs, such as tree giveaways and consumer education, and to understand how to best facilitate the increased consumption of underutilized crops. Full article
(This article belongs to the Section Sustainable Agriculture)
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