期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 163, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lwt.2022.113574
关键词
Sesame kernel; Polysaccharide; Characterization; Cell wall; Antioxidant properties
资金
- Key Project of Science and Technology of Henan Province [201300110600]
- Natural Science Foundation of Excellent Youth for Henan [222300420038]
The structures and properties of five polysaccharide fractions extracted from sesame kernel were analyzed in this study. The results showed that different fractions had different compositions and activities. This research is of great significance for the development of by-products from sesame kernel processing.
Cell wall polysaccharides from sesame kernel were extracted using sequential extraction method to obtained WSP, CSP, NSP, KSH-1, and KSH-4, respectively. In this study, the structures and properties of five polysaccharide fractions were analyzed. The results indicated that mannose was the predominant component monosaccharide in the WSP fraction, while arabinose was the predominant component monosaccharide in the other four. The molecular weights of five polysaccharide fractions ranged from 13270 to 811491 Da. Thermogravimetric analysis (TGA) showed that CSP had the best thermal stability. In terms of antioxidant activity, KSH-4 exhibited the highest DPPH radical scavenging activity with an EC50 value of 0.54 mg/mL, while CSP presented the highest DMPD + radical scavenging ability with an EC50 value of 1.45 mg/mL. This study can contribute to the development of sesame kernel processing by-products as functional food or feed.
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