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Search Results (148)

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46 pages, 2160 KiB  
Review
Potential of Plant-Based Oil Processing Wastes/By-Products as an Alternative Source of Bioactive Compounds in the Food Industry
by Elifsu Nemli, Deniz Günal-Köroğlu, Resat Apak and Esra Capanoglu
Foods 2025, 14(15), 2718; https://doi.org/10.3390/foods14152718 - 2 Aug 2025
Viewed by 327
Abstract
The plant-based oil industry contributes significantly to food waste/by-products in the form of underutilized biomass, including oil pomace, cake/meal, seeds, peels, wastewater, etc. These waste/by-products contain a significant quantity of nutritious and bioactive compounds (phenolics, lignans, flavonoids, dietary fiber, proteins, and essential minerals) [...] Read more.
The plant-based oil industry contributes significantly to food waste/by-products in the form of underutilized biomass, including oil pomace, cake/meal, seeds, peels, wastewater, etc. These waste/by-products contain a significant quantity of nutritious and bioactive compounds (phenolics, lignans, flavonoids, dietary fiber, proteins, and essential minerals) with proven health-promoting effects. The utilization of them as natural, cost-effective, and food-grade functional ingredients in novel food formulations holds considerable potential. This review highlights the potential of waste/by-products generated during plant-based oil processing as a promising source of bioactive compounds and covers systematic research, including recent studies focusing on innovative extraction and processing techniques. It also sheds light on their promising potential for valorization as food ingredients, with a focus on specific examples of food fortification. Furthermore, the potential for value creation in the food industry is emphasized, taking into account associated challenges and limitations, as well as future perspectives. Overall, the current information suggests that the valorization of plant-based oil industry waste and by-products for use in the food industry could substantially reduce malnutrition and poverty, generate favorable health outcomes, mitigate environmental concerns, and enhance economic profit in a sustainable way by developing health-promoting, environmentally sustainable food systems. Full article
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29 pages, 953 KiB  
Review
Comprehensive Review of Alternative Proteins in Pet Food: Research Publications, Patents, and Product Trends in Plant, Aquatic, Insect, and Cell-Based Sources
by Phatthranit Klinmalai, Pitiya Kamonpatana, Arisara Thongpech, Janenutch Sodsai, Khwanchat Promhuad, Atcharawan Srisa, Yeyen Laorenza, Attawit Kovitvadhi, Sathita Areerat, Anusorn Seubsai, Shyam S. Sablani and Nathdanai Harnkarnsujarit
Foods 2025, 14(15), 2640; https://doi.org/10.3390/foods14152640 - 28 Jul 2025
Viewed by 454
Abstract
The increasing demand for sustainable pet-food solutions has driven interest in alternative protein sources, as researchers seek to avoid allergenic foods while maintaining optimal pet nutrition. This review explores recent scientific publications, patent trends, and market trends relating to various alternative protein sources, [...] Read more.
The increasing demand for sustainable pet-food solutions has driven interest in alternative protein sources, as researchers seek to avoid allergenic foods while maintaining optimal pet nutrition. This review explores recent scientific publications, patent trends, and market trends relating to various alternative protein sources, including plant-based, aquatic, insect-derived, and cell-based sources. Their nutritional composition, functional properties, and potential benefits for pet health were assessed. Plant-based proteins, such as soy, pea, and lentils, provide essential amino acids and functional properties suitable for meat analogues. Microalgae and seaweed offer rich sources of omega-3 fatty acids, antioxidants, and bioactive compounds. Insect-based proteins such as black-soldier-fly larvae and mealworms are highly digestible and rich in essential nutrients, with additional benefits for gut health. Emerging cell-based proteins present a novel, lab-grown alternative with promising sustainability and nutritional advantages. While these protein sources offer significant benefits, challenges related to digestibility, palatability, regulatory approval, and consumer acceptance must be addressed. The emphasis of the present research is on current developments for industry uses and future potential. The analysis sheds light on the contributions of alternative protein sources to the promotion of sustainable and nutrient meals for pets. Full article
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25 pages, 1824 KiB  
Article
Measuring the Circularity of Bio-Based Fertilizers: Applying the BIORADAR Product Circularity Monitoring Framework
by Hasler Iglesias, Ana Paredes Ortiz, Ángeles Pereira, David Fernández-Gutiérrez and Andrés J. Lara-Guillén
Appl. Sci. 2025, 15(14), 7701; https://doi.org/10.3390/app15147701 - 9 Jul 2025
Viewed by 290
Abstract
The transition to the circular economy (CE) is one of the EU’s current strategic policies to improve its competitiveness and sustainability. While the EU has developed a framework for monitoring overall progress toward the CE, there are gaps in monitoring specific priority sectors, [...] Read more.
The transition to the circular economy (CE) is one of the EU’s current strategic policies to improve its competitiveness and sustainability. While the EU has developed a framework for monitoring overall progress toward the CE, there are gaps in monitoring specific priority sectors, such as the bioeconomy. In order to support industry and policymakers in this sector, this paper presents the application of the BIORADAR’s product circularity monitoring framework to five bio-based fertilizers. The framework is composed of two publicly available indicators: the circular index and the circularity indicator of nutrient; and two new indicator proposals: the biodegradable content and the nutrient slow-release index. Making use of life cycle inventories and supplementary data from the scientific literature, these four indicators were calculated for algae biomass, compost, feather meal, spent mushroom substrate, and wood vinegar. The framework proved to be useful for measuring the circularity at the product level for bio-based fertilizers, especially shedding light on the virgin non-renewable materials consumption, waste generation, biodegradability, nutrient recovery process efficiency, and nutrient release speed. It constitutes the first approach to measuring circularity tailored to bio-based fertilizer. By incorporating it into eco-design, innovation, and managerial decision-making processes, key stakeholders can rely on guiding metrics to support their transition toward higher circularity levels. Full article
(This article belongs to the Special Issue Waste Valorization, Green Technologies and Circular Economy)
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11 pages, 2204 KiB  
Article
Investigation of Leishmania infantum Infection and Feeding Preferences of Lutzomyia longipalpis During Deltamethrin (4%) Dog Collar Intervention
by Gabriel F. F. Rodrigues, Keuryn A. M. Luz-Requena, Bruno S. Mathias, Tania M. T. Suto, Rosemari Suto, Luciana T. R. Rocha, Osias Rangel, Katia D. S. Bresciani, Susy M. P. Sampaio, Lilian A. C. Rodas and Karin Kirchgatter
Pathogens 2025, 14(7), 671; https://doi.org/10.3390/pathogens14070671 - 8 Jul 2025
Viewed by 554
Abstract
Leishmaniasis is a zoonotic disease caused by protozoa of the genus Leishmania, transmitted by phlebotomine sand flies. Understanding the feeding behavior and infection rates of these vectors is crucial for disease surveillance and control. We aimed to investigate the natural infection rate [...] Read more.
Leishmaniasis is a zoonotic disease caused by protozoa of the genus Leishmania, transmitted by phlebotomine sand flies. Understanding the feeding behavior and infection rates of these vectors is crucial for disease surveillance and control. We aimed to investigate the natural infection rate of Leishmania spp. in phlebotomines and analyze their blood-feeding patterns in one of the priority areas of the state of São Paulo for the implementation of insecticide-impregnated dog collars. Sand flies were collected from urban and peri-urban areas between 2022 and 2024 using CDC light traps, manual aspiration, and Shannon traps. PCR was used to detect Leishmania DNA (SSU rDNA gene), and blood meal sources (COI gene). A total of 414 sand flies were collected, with 222 engorged females analyzed for blood meals and 192 specimens tested for Leishmania spp. infection. The predominant blood source was humans (67%), followed by chickens (64.1%), and dogs (18.9%), considering that 45.1% of the samples presented mixed blood meals. Leishmania infantum was found in 1% of the samples. These findings highlight the feeding plasticity of sand flies and their potential role in disease transmission, reinforcing the need for continuous epidemiological surveillance and vector control strategies, particularly the implementation of insecticide-impregnated dog collars. Full article
(This article belongs to the Special Issue Leishmaniasis: Current Status and Future Perspectives)
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28 pages, 819 KiB  
Review
Chrononutrition and Energy Balance: How Meal Timing and Circadian Rhythms Shape Weight Regulation and Metabolic Health
by Claudia Reytor-González, Daniel Simancas-Racines, Náthaly Mercedes Román-Galeano, Giuseppe Annunziata, Martina Galasso, Raynier Zambrano-Villacres, Ludovica Verde, Giovanna Muscogiuri, Evelyn Frias-Toral and Luigi Barrea
Nutrients 2025, 17(13), 2135; https://doi.org/10.3390/nu17132135 - 27 Jun 2025
Viewed by 2640
Abstract
Obesity and metabolic disorders remain major global health concerns, traditionally attributed to excessive caloric intake and poor diet quality. Recent studies emphasize that the timing of meals plays a crucial role in determining metabolic health. This review explores chrononutrition, a growing field that [...] Read more.
Obesity and metabolic disorders remain major global health concerns, traditionally attributed to excessive caloric intake and poor diet quality. Recent studies emphasize that the timing of meals plays a crucial role in determining metabolic health. This review explores chrononutrition, a growing field that examines how food intake patterns interact with endogenous circadian rhythms to influence energy balance, glucose and lipid metabolism, and cardiometabolic risk. The circadian system, which includes a central clock in the suprachiasmatic nucleus and peripheral clocks in metabolic tissues, regulates physiological functions on a 24 h cycle. While light entrains the central clock, feeding schedules act as key synchronizers for peripheral clocks. Disrupting this alignment—common in modern lifestyles involving shift work or late-night eating—can impair hormonal rhythms, reduce insulin sensitivity, and promote adiposity. Evidence from clinical and preclinical studies suggests that early time-restricted eating, where food intake is confined to the morning or early afternoon, offers significant benefits for weight control, glycemic regulation, lipid profiles, and mitochondrial efficiency, even in the absence of caloric restriction. These effects are particularly relevant for populations vulnerable to circadian disruption, such as adolescents, older adults, and night-shift workers. In conclusion, aligning food intake with circadian biology represents a promising, low-cost, and modifiable strategy to improve metabolic outcomes. Integrating chrononutrition into clinical and public health strategies may enhance dietary adherence and treatment efficacy. Future large-scale studies are needed to define optimal eating windows, assess long-term sustainability, and establish population-specific chrononutritional guidelines. Full article
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14 pages, 241 KiB  
Article
The Effects of Jojoba Meal Supplementation on the Performance and Health of Nursing Awassi Ewes and the Pre-Weaning Growth of Their Lambs
by Ja’far Al-Khaza’leh and Belal S. Obeidat
Dairy 2025, 6(3), 29; https://doi.org/10.3390/dairy6030029 - 18 Jun 2025
Viewed by 414
Abstract
Utilizing agro-industrial by-products to feed livestock is crucial for environmental protection and, simultaneously, lowering production and feeding costs. In light of these aims, in this study, two trials were conducted to evaluate the impact of jojoba meal (JJM) on Awassi ewes’ milk properties, [...] Read more.
Utilizing agro-industrial by-products to feed livestock is crucial for environmental protection and, simultaneously, lowering production and feeding costs. In light of these aims, in this study, two trials were conducted to evaluate the impact of jojoba meal (JJM) on Awassi ewes’ milk properties, nutrient intake, digestibility, and the pre-weaning growth of their nursing lambs. In the first trial, 22 Awassi ewes were divided equally between two experimental diets at random (11 ewes per diet): 0% JJM (CON) and 15% JJM (JJM15) of dietary dry matter (DM). In the second trial, 10 ewes were randomly selected (5 ewes/diet) to assess nutritional digestibility and N balance. The results of trial 1 showed that neutral detergent fiber (NDF), acid detergent fiber (ADF), and ether extract (EE) intake values were greater (p ≤ 0.02) in the JJM15 group compared to the CON group. The total gain and average daily gain (ADG) of the lambs in the JJM15 group were significantly higher compared to those of the CON group (p < 0.05). The average milk yield of nursing ewes was similar between the two dietary groups (p ˃ 0.05). The percentage and yield of solids-not-fat (SNF) in the JJM15 group were significantly higher compared to the CON group. The other milk components, including protein, lactose, fat, and total solids yields, were similar between the dietary groups (p ˃ 0.05). The milk production cost was significantly lower for the JJM15 diet than the CON diet (p = 0.004). Triglyceride levels were lower (p = 0.001) in the JJM15 diet group than in the CON diet group. In trial 2, nutrient digestibility and N balance were not affected (p ≥ 0.073) by the consumption of JJM15. In conclusion, JJM at 15% of dietary DM resulted in no negative effects on the health, performance, or milk quality of Awassi ewes. Most significantly, by lowering the cost of production, our results appear to indicate that this dietary supplement improves economic efficiency. Full article
(This article belongs to the Section Dairy Animal Nutrition and Welfare)
18 pages, 670 KiB  
Article
Development and Characterization of Nutritious and Sustainable Canned Fish Meal Prototype for Different Population Segments
by Helena Oliveira, Maria Cristóvão, Alexandre Nabais, Carolina Camacho, Maria Sapatinha, Carla Pires, Helena M. Lourenço, Maria H. Fernandes, Maria J. Fernandes, Maria J. Fraqueza, Helga C. Augusto, Cláudia Viegas, Maria P. Duarte, António Marques, Amparo Gonçalves and Maria L. Nunes
Sustainability 2025, 17(11), 5050; https://doi.org/10.3390/su17115050 - 30 May 2025
Viewed by 555
Abstract
Canning is an excellent solution to provide convenient, affordable, nutritious, and safe seafood with a long shelf life. However, many canned products use tuna, sardines, and Atlantic chub mackerel, species that raise sustainability concerns and whose overuse can put additional pressure on them. [...] Read more.
Canning is an excellent solution to provide convenient, affordable, nutritious, and safe seafood with a long shelf life. However, many canned products use tuna, sardines, and Atlantic chub mackerel, species that raise sustainability concerns and whose overuse can put additional pressure on them. Hence, this study aimed to i) develop and assess a nutritious and sustainable canned meal prototype using the Atlantic horse mackerel (Trachurus trachurus) (whose EU allowable-catch amounts have increased, particularly, in Iberian waters) and vegetables in light brine in terms of stability, sterility, and physicochemical and sensory properties over a 4-month period at room temperature and ii) evaluate its nutritional contribution for different population groups. After preparation, the meal was stored for one month at ≈20 °C and ≈40 °C (to simulate the 4 months). Although the pH was not stable, the meal was considered commercially sterile according to the challenge accelerated tests. Moreover, aging did not significantly affect the meal’s physicochemical and sensory properties. This innovative meal prototype can be claimed to be “low-fat”, “reduced in NaCl/Na”, a “source of protein, phosphorus, iron, selenium and vitamin D”, and “high in vitamin B12”. It proved to be both nutritious and appealing for consumption, with potential to be scaled up. Full article
(This article belongs to the Special Issue Sustainability in the Seafood Chain and Impacts on Product Quality)
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23 pages, 2082 KiB  
Article
Transcriptomic Analysis of the Liver Redox Response During Food-Anticipatory Activity Under a Time-Restricted Feeding Protocol in Rats
by Adrián Báez-Ruiz, Andy Hernández-Abrego, Mauricio Díaz-Muñoz and Isabel Méndez
Antioxidants 2025, 14(6), 649; https://doi.org/10.3390/antiox14060649 - 28 May 2025
Viewed by 900
Abstract
Daytime-restricted feeding (TRF) exerts outstanding effects on circadian physiology, nutrient utilization, and energy metabolism. Limiting feeding access to two hours during the daytime (12:00–14:00 h) for three weeks promotes food-anticipatory activity (FAA). FAA encompasses not only behaviors related to meal expectations but also [...] Read more.
Daytime-restricted feeding (TRF) exerts outstanding effects on circadian physiology, nutrient utilization, and energy metabolism. Limiting feeding access to two hours during the daytime (12:00–14:00 h) for three weeks promotes food-anticipatory activity (FAA). FAA encompasses not only behaviors related to meal expectations but also includes diurnal fluctuations in liver metabolic responses, including distinct redox handling. Hepatic microarray profiles of genes associated with redox response processes were analyzed at three crucial time points: at the beginning of the light period or before FAA (08:00 h), during the expression of FAA (11:00 h), and after feeding (14:00 h). Data on fasting and nutrient processing were integrated, whereas circadian implications were extrapolated by comparing the TRF transcriptional output with a one-day fasting group. Transcripts of redox reactions, such as reactive oxygen species (ROS) generation, antioxidant defenses, NAD+/NADH equilibrium, and glutathione, hydrogen peroxide (H2O2), arginine, nitric oxide (NO), and hydrogen sulfide (H2S) metabolism, were analyzed. Results showed a decline in antioxidant defenses at 08:00 h, followed by a burst of pro-oxidant reactions, preparation of glutathione metabolism factors, and a tendency to decrease H2O2 and increase NO and H2S during the FAA. Most of the findings observed during the FAA were absent in response to one-day fasting. Hence, TRF involves concerted and sequential responses in liver pro-oxidant and antioxidant reactions, facilitating a redox-related circadian control that optimizes the metabolic utilization of nutrients, which differs from a response to a simple fast-feed cycle. Full article
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9 pages, 876 KiB  
Article
Molecular Identification of Anopheles (Diptera: Culicidae) Species in Native Communities of a Northeastern Region of Peru
by Eddyson Montalvo-Sabino, Marianella Villegas-Pingo, Jhon Zumaeta, Lizandro Gonzales, Rafael Tapia-Limonchi, Marta Moreno, Christian R. González and Stella M. Chenet
Microorganisms 2025, 13(4), 861; https://doi.org/10.3390/microorganisms13040861 - 10 Apr 2025
Viewed by 622
Abstract
Background: Malaria is a severe health problem in native communities of Condorcanqui in the Amazonas region of Peru. Recently, the number of malaria cases has increased considerably following a Plasmodium falciparum outbreak in 2019. However, there is no information on the anophelines acting as [...] Read more.
Background: Malaria is a severe health problem in native communities of Condorcanqui in the Amazonas region of Peru. Recently, the number of malaria cases has increased considerably following a Plasmodium falciparum outbreak in 2019. However, there is no information on the anophelines acting as Plasmodium vectors in this area. This study aimed to identify Anopheles species circulating in previously unexplored native communities of Condorcanqui. Additionally, we sought to detect the presence of DNA from P. vivax and P. falciparum parasites in mosquitoes. Methods: During three exploratory visits between March and September 2022, 453 mosquitoes were collected using Shannon traps and CDC light traps. Only specimens morphologically identified as Anopheles sp. were subjected to molecular confirmation through PCR amplification and sequencing of the Cox1 barcode region. Plasmodium parasites were detected using nested PCR targeting of the 18S rRNA subunit, while human blood meal feeding was evaluated using a human β-globin marker. Results: A total of 66 specimens were molecularly confirmed as anopheline species: An. benarrochi B, An. triannulatus, An. Costai, and An. nimbus. Six specimens of An. benarrochi B were exclusively positive for Plasmodium parasites by PCR. Moreover, four specimens tested positive for Plasmodium and the presence of human blood, suggesting the anthropophilic behavior of An. benarrochi B and its possible role as a potential malaria vector in this area. Conclusions: In conclusion, while this study provides valuable insights into the potential role of Anopheles benarrochi as a malaria vector in Amazonas, further research is essential to fully understand its behavior and transmission dynamics in the region. Full article
(This article belongs to the Special Issue Research on Mosquito-Borne Pathogens)
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16 pages, 617 KiB  
Article
Obtention and Characterisation of Antioxidant-Rich Peptides from Defatted Grape Seed Meal Using Different Enzymes
by María del Rosario Rodríguez-Muñoz, Ana Belén Mora-Garrido, Francisco J. Heredia, María Jesús Cejudo-Bastante and María Lourdes González-Miret
Foods 2025, 14(7), 1248; https://doi.org/10.3390/foods14071248 - 3 Apr 2025
Viewed by 517
Abstract
Defatted grape seed meal (DGSM) is a residue obtained from grape pomace and is an important source of protein. The aim of this study was to select peptides with optimal antioxidant and colour properties, obtained using enzymes of different origins and proteolytic character, [...] Read more.
Defatted grape seed meal (DGSM) is a residue obtained from grape pomace and is an important source of protein. The aim of this study was to select peptides with optimal antioxidant and colour properties, obtained using enzymes of different origins and proteolytic character, for application in winemaking. For this purpose, the assay was performed using novo-ProD (NP), alcalase (AL), novozym (NZ), pepsin (PE), flavourzyme (FZ), and papain (PA) enzymes. The peptide percentage, peptide yield, molecular size of the peptide fractions, total amino acid, peptide content, antioxidant activity, and CIELAB colour coordinates of the hydrolysates were determined. The peptide hydrolysates obtained using PE showed the significantly (p < 0.05) highest percentages of peptides (93%), amino acid content (188 mg aa/g hydrolysate), and lightness (L*, 70.3). On the other hand, NP peptide hydrolysates displayed the significantly (p < 0.05) highest antioxidant activity (154 µmol TE/g hydrolysate) and peptide yield (39%). Regarding molecular weight (MW), PE led to hydrolysates with a lower proportion of low-MW peptides (MW < 1 kDa). In conclusion, the peptide hydrolysates obtained by NP and PE exhibited the greatest chemical characteristics for further application, both separately and combined in targeted hydrolysis, as colour stabilisers and antioxidant capacity enhancers in warm climate winemaking. Full article
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23 pages, 5827 KiB  
Article
Isolation and Characterization of Beauveria caledonica (Ascomycota: Hypocreales) Strains for Biological Control of Odoiporus longicollis Oliver (Coleoptera: Curculionidae)
by Mingbi Ding, Li Wu, Hongwei Yu, Huacai Fan, Zhixiang Guo, Shengtao Xu, Jianhui Chun, Yongfen Wang and Si-Jun Zheng
Microorganisms 2025, 13(4), 782; https://doi.org/10.3390/microorganisms13040782 - 28 Mar 2025
Viewed by 512
Abstract
The banana pseudostem weevil (BPW), Odoiporus longicollis (Oliver), is one of the most destructive pests of bananas that is seriously affecting the yield and quality of bananas. We isolated pathogens from banana pseudostem weevils in Xishuangbanna and Dongchuan, Yunnan, China, and explored their [...] Read more.
The banana pseudostem weevil (BPW), Odoiporus longicollis (Oliver), is one of the most destructive pests of bananas that is seriously affecting the yield and quality of bananas. We isolated pathogens from banana pseudostem weevils in Xishuangbanna and Dongchuan, Yunnan, China, and explored their biological characteristics. The pathogenicity of the strains was verified through laboratory and greenhouse inoculation experiments. The results showed that four strains of fungi were identified and confirmed as Beauveria caledonica (Bc) via ITS-rDNA sequencing. Optimal in vitro culture conditions were found to be a photoperiod of 24 h light, 25 °C temperature, and 18 days on potato dextrose agar (PDA) medium with insect meal. Under these conditions, the Cs-1 strain achieved a colony diameter of 65.17 ± 0.74 mm and spore production of 1.24 × 108 cfu/cm2. The Cs-1 strain had the shortest lethal time (LT50) of 9.36 days at an inoculum of 1.00 × 109 cfu/mL, with a lethality of 86.67% after 20 days. The Cs-3 strain showed 77.78% lethality at 1.00 × 108 cfu/mL after 20 days. Despite variations in virulence, lethality did not correlate with major cuticle-degrading enzymes. The Cs-3 strain demonstrated effective biocontrol in greenhouse tests. Banana plants suffered significant damage without Bc-treated BPW, while the treated plantlets thrived. The mortality rate reached 82.78% after 35 days. This study marks the first identification of these entomopathogenic fungi (EPF) in Yunnan, China, highlighting B. caledonica’s potential for biocontrol application. Full article
(This article belongs to the Special Issue Beneficial Microbes: Food, Mood and Beyond, 2nd Edition)
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19 pages, 9865 KiB  
Article
Morphologic Features and Thermal Characteristics of Nine Cotton Biomass Byproducts
by Zhongqi He, Sunghyun Nam, Haile Tewolde, Catrina V. Ford, Renuka Dhandapani, Roselle Barretto and Donghai Wang
Biomass 2025, 5(1), 12; https://doi.org/10.3390/biomass5010012 - 25 Feb 2025
Cited by 1 | Viewed by 1058
Abstract
Cotton biomass residues consist of an important portion of the agricultural byproducts. In this work, we systematically analyzed and compared the morphology and thermal properties of nine cotton biomass byproducts. The unique tubular and/or porous morphology of some samples (e.g., main stems, branch [...] Read more.
Cotton biomass residues consist of an important portion of the agricultural byproducts. In this work, we systematically analyzed and compared the morphology and thermal properties of nine cotton biomass byproducts. The unique tubular and/or porous morphology of some samples (e.g., main stems, branch stems, and petioles) implied their structural advantage in the development of electric supercapacitors and pollutant absorbents. The higher heating values of the nine samples ranged between 17 and 20 MJ kg−1, higher than some of the other common agricultural byproducts (e.g., rice husk and sugarcane bagasse). The moisture content showed a positive correlation (p > 0.05) to the dehydration temperature of the differential scanning calorimetric plots. The residual char after thermogravimetric analysis could be separated into a high-yield cluster (34.4–26.6%) of leaf blades, bracts/peduncles, burrs, defatted meal, and petioles, and a low-yield cluster (20.5–13.6%) of main stems, branch stems, cotton gin waste, and cottonseed hull. These observations and data are useful for a better understanding of the fundamental chemistry of cotton biomass byproducts. Growing knowledge is useful for improving their recycling strategies and may shed light on the exploration of new value-added products or applications from these cotton biomass byproducts for a circular economy with sustainable agriculture. Full article
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22 pages, 10440 KiB  
Article
Hybrid BCI for Meal-Assist Robot Using Dry-Type EEG and Pupillary Light Reflex
by Jihyeon Ha, Sangin Park, Yaeeun Han and Laehyun Kim
Biomimetics 2025, 10(2), 118; https://doi.org/10.3390/biomimetics10020118 - 18 Feb 2025
Cited by 1 | Viewed by 964
Abstract
Brain–computer interface (BCI)-based assistive technologies enable intuitive and efficient user interaction, significantly enhancing the independence and quality of life of elderly and disabled individuals. Although existing wet EEG-based systems report high accuracy, they suffer from limited practicality. This study presents a hybrid BCI [...] Read more.
Brain–computer interface (BCI)-based assistive technologies enable intuitive and efficient user interaction, significantly enhancing the independence and quality of life of elderly and disabled individuals. Although existing wet EEG-based systems report high accuracy, they suffer from limited practicality. This study presents a hybrid BCI system combining dry-type EEG-based flash visual-evoked potentials (FVEP) and pupillary light reflex (PLR) designed to control an LED-based meal-assist robot. The hybrid system integrates dry-type EEG and eyewear-type infrared cameras, addressing the preparation challenges of wet electrodes, while maintaining practical usability and high classification performance. Offline experiments demonstrated an average accuracy of 88.59% and an information transfer rate (ITR) of 18.23 bit/min across the four target classifications. Real-time implementation uses PLR triggers to initiate the meal cycle and EMG triggers to detect chewing, indicating the completion of the cycle. These features allow intuitive and efficient operation of the meal-assist robot. This study advances the BCI-based assistive technologies by introducing a hybrid system optimized for real-world applications. The successful integration of the FVEP and PLR in a meal-assisted robot demonstrates the potential for robust and user-friendly solutions that empower the users with autonomy and dignity in their daily activities. Full article
(This article belongs to the Special Issue Advances in Brain–Computer Interfaces)
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17 pages, 1641 KiB  
Article
A Coarse-to-Fine Feature Aggregation Neural Network with a Boundary-Aware Module for Accurate Food Recognition
by Shuang Liang and Yu Gu
Foods 2025, 14(3), 383; https://doi.org/10.3390/foods14030383 - 24 Jan 2025
Cited by 1 | Viewed by 1199
Abstract
Food recognition from images is crucial for dietary management, enabling applications like automated meal tracking and personalized nutrition planning. However, challenges such as background noise disrupting intra-class consistency, inter-class distinction, and domain shifts due to variations in capture angles, lighting, and image resolution [...] Read more.
Food recognition from images is crucial for dietary management, enabling applications like automated meal tracking and personalized nutrition planning. However, challenges such as background noise disrupting intra-class consistency, inter-class distinction, and domain shifts due to variations in capture angles, lighting, and image resolution persist. This study proposes a multi-stage convolutional neural network-based framework incorporating a boundary-aware module (BAM) for boundary region perception, deformable ROI pooling (DRP) for spatial feature refinement, a transformer encoder for capturing global contextual relationships, and a NetRVLAD module for robust feature aggregation. The framework achieved state-of-the-art performance on three benchmark datasets, with Top-1 accuracies of 99.80% on the Food-5k dataset, 99.17% on the Food-101 dataset, and 85.87% on the Food-2k dataset, significantly outperforming existing methods. This framework holds promise as a foundational tool for intelligent dietary management, offering robust and accurate solutions for real-world applications. Full article
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14 pages, 448 KiB  
Article
Fermented Cassava Residue Meal Improves Meat Quality by Regulating Muscle Fiber and Enhancing Lipid Metabolism in Huanjiang Mini-Pigs
by Huijiao Jiang, Md. Abul Kalam Azad, Qian Zhu, Hengjia Ni and Xiangfeng Kong
Animals 2025, 15(2), 177; https://doi.org/10.3390/ani15020177 - 10 Jan 2025
Cited by 2 | Viewed by 838
Abstract
This research investigated the effects of cassava residue meal (CRM) and fermented CRM (FCRM) on the growth performance, serum lipid indicators, carcass traits, and meat quality of Huanjiang mini-pigs. One hundred twenty Huanjiang mini-pigs with similar BW (body weight, 8.85 ± 0.64 kg) [...] Read more.
This research investigated the effects of cassava residue meal (CRM) and fermented CRM (FCRM) on the growth performance, serum lipid indicators, carcass traits, and meat quality of Huanjiang mini-pigs. One hundred twenty Huanjiang mini-pigs with similar BW (body weight, 8.85 ± 0.64 kg) were divided into three dietary treatment groups: the CON group with a basal diet; the CRM group with a diet containing 5% CRM; and the FCRM group with a diet containing 5% FCRM. The feeding trial was conducted for 30 days. The findings revealed that dietary CRM and FCRM did not influence the growth performance and diarrhea rate of Huanjiang mini-pigs (p > 0.05). Dietary FCRM supplementation increased serum total cholesterol level compared to the CON group while decreasing serum cholinesterase level compared to the CON and CRM groups (p < 0.05). The level of serum low-density lipoprotein-cholesterol was higher (p < 0.05) in the CRM and FCRM groups in regard to the CON group. In addition, CRM and FCRM supplementation reduced (p < 0.05) the backfat thickness and carcass yield of Huanjiang mini-pigs. The meat quality analysis showed that dietary CRM and FCRM improved the meat quality by increasing the intramuscular fat content and redness (a*) value and decreasing the lightness (L*) value. Moreover, the MyHC-IIx expression in the longissimus thoracis (LT) muscle was upregulated (p < 0.05) in the CRM group, while MYHC-IIb expression displayed an increasing trend (p = 0.076) in the FCRM group relative to the CON group. The fatty acid composition in the LT muscle also revealed that the C20:0 level was lower in the CRM and FCRM groups, while the ∑SFA and ∑SFA/∑UFA were reduced (p < 0.05) in the FCRM group relative to the CON group. In summary, dietary CRM and FCRM supplementation improved the meat quality of Huanjiang mini-pigs without affecting growth performance and diarrhea rate. Notably, FCRM exhibited better effects on meat quality than CRM. Full article
(This article belongs to the Collection Use of Agricultural By-Products in Animal Feeding)
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