期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 125, 期 -, 页码 432-435出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2018.12.073
关键词
Garlic polysaccharide; Extraction; Phosphorylation; Antioxidation activities
资金
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [2015-1098]
- Chongqing Key Research Project of Basic Science & Frontier Technology [cstc2017jcyjBX0012]
- Foundation Project of Chongqing Normal University [14XYY020]
- Chongqing General Research Program of Basic Research and Frontier Technology [cstc2015jcyjA10054]
- Chongqing Normal University Postgraduate's Research and Innovation Project, China [YKC17004]
Garlic polysaccharide was extracted by hot water method and phosphorylated. The phosphorylated garlic polysaccharide was confirmed by IR, C-13 NMR and P-31 NMR spectra. The scavenging effects of garlic polysaccharide and its phosphorylated derivative on hydroxyl radicals and superoxide anion were studied. It showed that garlic polysaccharides had the ability to scavenge hydroxyl radicals and superoxide anions before and after phosphorylation. Within a certain range, the higher the concentration, the stronger the antioxidant ability. Moreover, the phosphorylated derivative had stronger antioxidant ability. (C) 2018 Elsevier B.V. All rights reserved.
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