Zuoqing Yu, Fei Peng, Bin Du, Xi Yu, Qiaoling Xie, Sibo Shen, Yuedong Yang
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Comparative study on structure, properties, functions, and in vitro digestion characteristics of dietary fiber from Chinese chestnut prepared by different methods.
This study compared the effects of enzyme extraction (E-DF), enzyme-acid extraction (EAc-DF), enzyme-alkaline extraction (EAl-DF), ultrasonic-enzyme extraction (EU-DF), and microwave-enzyme extraction (EM-DF) on the yield, chemical composition, structural characteristics, physicochemical properties, physiological activities, and hypoglycemic activities of dietary fiber (DF) from Chinese chestnut. EAl-DF had the highest yield (25.44 ± 0.70%) among all five extraction methods. The structural analysis indicated that other extracts, particularly EAl-DF, had a more complex and porous structure than E-DF. Analysis of monosaccharide composition showed that the main sugars in Chinese chestnut DF included Ara, Gal, Glc, and Man. Notably, EAl-DF exhibited the highest water and oil retention ability and hypoglycemic activity. The DFs extracted by five methods can resist digestion in the digestive tract. These results indicate that enzymatic-alkaline method is a high-quality method for extracting DF from Chinese chestnut. And this study provides a theoretical basis for the efficient preparation and development of Chinese chestnut DF.
期刊介绍：
The goal of the Journal of Food Science is to offer scientists, researchers, and other food professionals the opportunity to share knowledge of scientific advancements in the myriad disciplines affecting their work, through a respected peer-reviewed publication. The Journal of Food Science serves as an international forum for vital research and developments in food science.
The range of topics covered in the journal include:
-Concise Reviews and Hypotheses in Food Science
-New Horizons in Food Research
-Integrated Food Science
-Food Chemistry
-Food Engineering, Materials Science, and Nanotechnology
-Food Microbiology and Safety
-Sensory and Consumer Sciences
-Health, Nutrition, and Food
-Toxicology and Chemical Food Safety
The Journal of Food Science publishes peer-reviewed articles that cover all aspects of food science, including safety and nutrition. Reviews should be 15 to 50 typewritten pages (including tables, figures, and references), should provide in-depth coverage of a narrowly defined topic, and should embody careful evaluation (weaknesses, strengths, explanation of discrepancies in results among similar studies) of all pertinent studies, so that insightful interpretations and conclusions can be presented. Hypothesis papers are especially appropriate in pioneering areas of research or important areas that are afflicted by scientific controversy.
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