期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 131, 期 -, 页码 1021-1031出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2019.03.154
关键词
Pholiota nameko; Fractional precipitation; Moisture-preserving ability; Antioxidant ability
资金
- Ministry of Science and Technology, Taiwan [MOST 106-2622-B-005-012-CC2]
This study explored Pholiota nameko (P. nameko) polysaccharide fractions, PNP-40, PNP-60, and PNP-80, purified by gradient concentrations of ethanol (40%, 60%, and 80% (v/v)). The physicochemical properties, functional group composition, moisture-preserving, and antioxidant ability were determined. The results indicate that the polysaccharide contents of PNP-40, PNP-60, and PNP-80 are 45.12%, 78.04%, and 72.22%, respectively, while the beta-glucan, protein, and uronic acid contents are 20.20%, 12.20%, and 10.15%, respectively; 11.24%, 14.53%, and 26.94%; and 5.99%, 7.73%, and 3.78%. Furthermore, PNP-60 has better moisture absorption, while PNP-80 has better antioxidant ability and H2O2-injury resistance activity. Monosaccharide composition analysis shows that P. nameko belongs to heteropolysaccharides, which consists of galactose, glucose, and mannose with different types and ratios, and the molecular weight are distributed at 4.40-333.49 kDa. It was found that different polysaccharide fractions have the potential to be a moisturizer and an antioxidant, and their active ingredients could be used in the development of cosmetic ingredients. (C) 2019 Elsevier B.V. All rights reserved.
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