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Special Issue "Food Polysaccharides: Structure, Properties and Application"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Applied Chemistry".

Deadline for manuscript submissions: 31 March 2022.

Special Issue Editors

Prof. Dr. Lesław Juszczak
E-Mail Website1 Website2
Guest Editor
Department of Food Analysis and Evaluation of Food Quality, University of Agriculture in Krakow, Balicka 122 Str., 30-149 Kraków, Poland
Interests: food analysis; food rheology; food additives; polysaccharides; starch; honey
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Janusz Kapusniak
E-Mail Website1 Website2
Guest Editor
Department of Dietetics and Food Studies, Faculty of Science & Technology, Jan Dlugosz University in Czestochowa, Armii Krajowej 13/15, 42-200 Czestochowa, Poland
Interests: chemical and biochemical modifications of polysaccharides; starch; dietary fiber; resistant starch resistant dextrins; prebiotics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polysaccharides are an important group of natural polymers used in living organisms as a building and reserve material. This group is characterized by great diversity in terms of structure, place of occurrence and properties. Due to their complex nature and the resulting diversified physicochemical properties, polysaccharides play an important role in food production. They are a naturally occurring energy component in many foodstuffs, and at the same time, they play a structural role. Polysaccharides are commonly used as food ingredients and additives added to food during technological processes. They are also widely used as thickeners and gelling, emulsifying, filling and stabilizing substances. Their use has a positive effect on the structure, sensory characteristics and physical stability of many food products. Many natural polysaccharides are also subjected to various types of modifications in order to improve their functional properties. The health aspects related to the presence of polysaccharides in food are also important. Some of them are the basis of fat substitutes in the production of energy-reduced food, others possess prebiotic properties, and others still are individual fractions of dietary fiber, positively influencing many functions of the human body. Traditional polysaccharides, characteristic of foodstuffs, are also widely used outside direct food production, in industries related to food production and distribution, such as biotechnology or the production of biodegradable and active packaging.

The purpose of this Special Issue is to identify and review the latest research findings on polysaccharides present in food and used in the food and related industries. We cordially invite you to contribute to this Special Issue in the form of both review articles and original research results. They can cover all aspects related to food polysaccharides, including structure, properties, analysis, modifications, practical applications and impacts on human health.

Prof. Dr. Lesław Juszczak
Prof. Dr. Janusz Kapusniak
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • food polysaccharides
  • food gums
  • food additives
  • dietary fiber
  • structure
  • properties
  • functions
  • application
  • bioactivity

Published Papers (4 papers)

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Research

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Article
Effect of Oat β-Glucan on the Rheological Characteristics and Microstructure of Set-Type Yogurt
Molecules 2021, 26(16), 4752; https://doi.org/10.3390/molecules26164752 - 06 Aug 2021
Viewed by 708
Abstract
The oat β-glucan (OG) was added into set-type yogurt as a functional ingredient, in order to evaluate effects on the rheological characteristics and microstructure of set-type yogurt. When the OG concentration increased from 0 to 0.3%, the WHC gradually increased. At 0.3% OG, [...] Read more.
The oat β-glucan (OG) was added into set-type yogurt as a functional ingredient, in order to evaluate effects on the rheological characteristics and microstructure of set-type yogurt. When the OG concentration increased from 0 to 0.3%, the WHC gradually increased. At 0.3% OG, the set-type yogurt had the highest WHC of 94.67%. Additionally, the WHC continuously decreased, reaching the lowest WHC (about 80%) at 0.5% OG. When 0.3% OG was added, the highest score of sensory evaluation was about 85. The rheological result showed that the fermentation process went through the changes as follows: solid → liquid → solid → liquid. The addition of 0.3% OG decreased the fermentation time of set-type yogurt by about 16 min, making yogurt more inclined to be liquid. The acidity of set-type yogurt with OG was slightly higher. The result of microstructure showed that the addition of OG destroyed the three-dimensional network structure of yogurt, and some spherical aggregate particles could be clearly observed at 0.3% OG. Overall, this study provided a theoretical basis for the application of OG in set-type yogurt. Full article
(This article belongs to the Special Issue Food Polysaccharides: Structure, Properties and Application)
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Article
Structural and Biological Properties of Water Soluble Polysaccharides from Lotus Leaves: Effects of Drying Techniques
Molecules 2021, 26(15), 4395; https://doi.org/10.3390/molecules26154395 - 21 Jul 2021
Cited by 1 | Viewed by 533
Abstract
In the present study, the influence of five drying techniques on the structural and biological properties of polysaccharides from lotus leaves (LLPs) was investigated. Results revealed that the yields, contents of basic chemical components, molecular weights, and molar ratios of compositional monosaccharides of [...] Read more.
In the present study, the influence of five drying techniques on the structural and biological properties of polysaccharides from lotus leaves (LLPs) was investigated. Results revealed that the yields, contents of basic chemical components, molecular weights, and molar ratios of compositional monosaccharides of LLPs varied by different drying technologies. Low molecular weight distributions were observed in polysaccharides obtained from lotus leaves by hot air drying (LLP-H), microwave drying (LLP-M), and radio frequency drying (LLP-RF), respectively. The high contents of bound polyphenolics were measured in LLP-H and LLP-M, as well as polysaccharides obtained from lotus leaves by vacuum drying (LLP-V). Furthermore, both Fourier transform infrared (FT-IR) and nuclear magnetic resonance (NMR) spectra of LLPs were similar, indicating that drying technologies did not change their basic chemical structures. Besides, all LLPs exhibited obvious biological properties, including in vitro antioxidant capacities, antiglycation activities, and inhibitory effects on α-glucosidase. Indeed, LLP-H exhibited higher 2,2-azidobisphenol (3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging ability (IC50 values, LLP-H, 0.176 ± 0.004 mg/mL; vitamin C, 0.043 ± 0.002 mg/mL) and 2,2-diphenyl-1-(2,4,6-trinitrate phenyl) hydrazine radical scavenging ability (IC50 values, LLP-H, 0.241 ± 0.007 mg/mL; butylated hydroxytoluene, 0.366 ± 0.010 mg/mL) than others, and LLP-M exerted stronger antiglycation (IC50 values, LLP-M, 1.023 ± 0.053 mg/mL; aminoguanidine, 1.744 ± 0.080 mg/mL) and inhibitory effects on α-glucosidase (IC50 values, LLP-M, 1.90 ± 0.02 μg/mL; acarbose, 724.98 ± 16.93 μg/mL) than others. These findings indicate that both hot air drying and microwave drying can be potential drying techniques for the pre-processing of lotus leaves for industrial applications. Full article
(This article belongs to the Special Issue Food Polysaccharides: Structure, Properties and Application)
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Review

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Review
Influencing Factors on the Physicochemical Characteristics of Tea Polysaccharides
Molecules 2021, 26(11), 3457; https://doi.org/10.3390/molecules26113457 - 07 Jun 2021
Viewed by 714
Abstract
Tea polysaccharides (TPSs) are one of the main bioactive constituents of tea with various biological activities such as hypoglycemic effect, antioxidant, antitumor, and immunomodulatory. The bioactivities of TPSs are directly associated with their structures such as chemical composition, molecular weight, glycosidic linkages, and [...] Read more.
Tea polysaccharides (TPSs) are one of the main bioactive constituents of tea with various biological activities such as hypoglycemic effect, antioxidant, antitumor, and immunomodulatory. The bioactivities of TPSs are directly associated with their structures such as chemical composition, molecular weight, glycosidic linkages, and conformation among others. To study the relationship between the structures of TPSs and their bioactivities, it is essential to elucidate the structure of TPSs, particularly the fine structures. Due to the vast variation nature of monosaccharide units and their connections, the structure of TPSs is extremely complex, which is also affected by several major factors including tea species, processing technologies of tea and isolation methods of TPSs. As a result of the complexity, there are few studies on their fine structures and chain conformation. In the present review, we aim to provide a detailed summary of the multiple factors influencing the characteristics of TPS chemical structures such as variations of tea species, degree of fermentation, and preparation methods among others as well as their applications. The main aspects of understanding the structural difference of TPSs and influencing factors are to assist the study of the structure and bioactivity relationship and ultimately, to control the production of the targeted TPSs with the most desired biological activity. Full article
(This article belongs to the Special Issue Food Polysaccharides: Structure, Properties and Application)
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Review
The Use of Megamolecular Polysaccharide Sacran in Food and Biomedical Applications
Molecules 2021, 26(11), 3362; https://doi.org/10.3390/molecules26113362 - 02 Jun 2021
Viewed by 1053
Abstract
Natural polymer is a frequently used polymer in various food applications and pharmaceutical formulations due to its benefits and its biocompatibility compared to synthetic polymers. One of the natural polymer groups (i.e., polysaccharide) does not only function as an additive in pharmaceutical preparations, [...] Read more.
Natural polymer is a frequently used polymer in various food applications and pharmaceutical formulations due to its benefits and its biocompatibility compared to synthetic polymers. One of the natural polymer groups (i.e., polysaccharide) does not only function as an additive in pharmaceutical preparations, but also as an active ingredient with pharmacological effects. In addition, several natural polymers offer potential distinct applications in gene delivery and genetic engineering. However, some of these polymers have drawbacks, such as their lack of water retention and elasticity. Sacran, one of the high-molecular-weight natural polysaccharides (megamolecular polysaccharides) derived from Aphanothece sacrum (A. sacrum), has good water retention and elasticity. Historically, sacran has been used as a dietary food. Moreover, sacran can be applied in biomedical fields as an active material, excipient, and genetic engineering material. This article discusses the characteristics, extraction, isolation procedures, and the use of sacran in food and biomedical applications. Full article
(This article belongs to the Special Issue Food Polysaccharides: Structure, Properties and Application)
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