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花生红衣多酚类物质组成及抑菌活性研究
Composition and antibacterial activity of polyphenols from peanut seed testa
  
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中文关键词:  花生红衣  多酚类物质  提取  纯化  抑菌活性
英文关键词:peanut seed testa  polyphenols  extraction  purification  antibacterial activity
基金项目:
Author NameAffiliation
CHU Lijun  
ZHANG Rui  
YIN Xianhua，etc  
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中文摘要:
      以花生红衣为原料，采用70%乙醇作溶剂超声辅助提取花生红衣多酚类物质，并进行纯化，研究花生红衣多酚类物质组成及其对食品中常见污染菌的抑菌活性及保鲜性能。结果表明：花生红衣多酚类物质中多酚含量为64.45%，黄酮含量为12.76%，原花青素含量为81.90%，白藜芦醇含量为0.005%。花生红衣多酚类物质对细菌抑菌作用显著，对真菌不显著，且抑菌活性随着质量浓度的增加而增强。
英文摘要:
      The?polyphenols?were?extracted?from?peanut?seed?testa?by?ultrasonic-assisted?extraction?with?70%?of?ethanol?as?solvent.?The?crude?extracts?were?purified,and?the?composition?and?antibacterial?activity?of?the?polyphenols?against?common?contaminated?bacteria?were?investigated.?The?results?indicated?that?the?contents?of?polyphenol,?flavone,?procyanidins?and?resveratrol?in?peanut?seed?testa?polyphenols?were?64.45%,?12.76%,?81.90%?and?0.005%,?respectively.?The?polyphenols?from?peanut?seed?testa?had?strong?inhibitory?effects?on?bacteria,?while?it?had?no?significant?effect?on?fungus,?and?the?antibacterial?activity?increased?with?the?mass?concentration?of?the?polyphenols?increasing.
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