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Preparation, characterization and activity verification of xylooligosaccharides from plantain straw.
Heliyon
December 2024
Chongqing Jiangbei District Disease Control Center, Chongqing, 400020, China.
Currently, the utilization value of plantain straw is low. To increase its value, plantain straw was utilized in this study to produce xylooligosaccharides (XOS). XOS were obtained from plantain straw through xylanase hydrolysis.
View Article and Find Full Text PDFThe Release of Organic Acids and Low Molecular Weight Carbohydrates from Matcha Tea After In Vitro Digestion.
Nutrients
November 2024
Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 5669, 760 01 Zlín, Czech Republic.
Background/objectives: This study tested the influence of in vitro digestion on the release of organic acids and low molecular weight saccharides of matcha.
Methods: The concentrations of analytes in the raw and undigested portion of matcha were measured using HPLC with spectrometric and refractometric detection to establish their residual values after a two-step enzymatic digestion that was finally presented as a retention factor.
Results: It was established that dry matter digestibility values after simulated gastric and both gastric and intestinal phases were 67.
Exploring Polysaccharides: Extraction, Characterization, and Analysis of Antioxidant and Antimicrobial Properties.
Polymers (Basel)
November 2024
Laboratory of Biotechnology and Biogeoresources Valorization, Higher Institute of Biotechnology of Sidi Thabet (ISBST), LR11ES31, Ariana 2020, Tunisia.
Article Synopsis
- - Polysaccharides were extracted from leaves (WSPRaL) and stems (WSPRaS) of a plant, yielding about 3% and 3.25%, respectively, with varying compositions of proteins, lipids, and sugars.
- - Detailed analyses showed that WSPRaL and WSPRaS contain different types of carbohydrates, with SEM and FT-IR used to examine their microstructure and physicochemical properties.
- - The polysaccharides demonstrated strong antioxidant, antibacterial, and biofilm-inhibitory activities, suggesting their potential as functional ingredients in the food and nutraceutical industries.
Structural characteristics of a purified Evodiae fructus polysaccharide and its gastroprotection and relevant mechanism against alcohol-induced gastric lesions in rats.
Int J Biol Macromol
November 2024
School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China. Electronic address:
Article Synopsis
- The study focuses on Evodiae fructus polysaccharide (EFP) and its purified fraction EFP-2-1, which has gastroprotective effects against alcohol-induced stomach lesions but needed further characterization.
- EFP-2-1 was analyzed using advanced techniques and found to have a specific molecular structure, primarily consisting of rhamnose and other sugars, with a molecular weight of 7.3 kDa.
- The fraction not only reduced gastric damage but also influenced inflammatory markers, activated specific metabolic pathways, and improved gut microbiota composition, suggesting its potential as a protective agent against alcohol-related gastric issues.
Extraction, Purification, Sulfated Modification, and Biological Activities of Dandelion Root Polysaccharides.
Foods
July 2024
School of Biological and Food Engineering, Suzhou University, Suzhou 234000, China.
In this study, polysaccharides were extracted at a rate of 87.5% ± 1.5% from native dandelion roots, and the dandelion root polysaccharides (DRPs) were then chemically modified to obtain sulfated polysaccharides (SDRPs) with a degree of substitution of 1.
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