摘要
目的 :研究枸杞多糖 (LBP)的提取及其对活性氧自由基的清除作用。方法 :L BP提取采用水煮醇沉法粗提 ,Polyerde滤柱膜吸附洗脱精制 :采用分光光度法测定枸杞多糖对 O2-· 和 OH·的抑制作用。结果 :粗品 LBP对 O2-· 和 OH·清除率分别可达5 8.6%和 49.7% ,精品 L BP对二者的清除率分别可达 40 .7%和 3 1.4%。结论 :LBP对 O2-· 和 OH·
OBJECTIVE: Study on isolation of the lycium barbarum polysaccharide (LBP) and its effects on anti active oxygen free radical. METHODS: Isolation of LBP by hot water extracted and alcohol precipitation, and purified by absorbent with Polyerde column membrane and eluted with hot water; RESULTS: Scavenge rate to O 2 -· and OH · with the crude LBP were 58.6% and 49.7%,respectively; and with pure LBP were 40.7% and 31.4%, respectively; CONCLUSION: the LBP was shown with scavenging action to O 2 -· and OH ·.
出处
《中国现代应用药学》
CAS
CSCD
北大核心
2002年第2期94-96,共3页
Chinese Journal of Modern Applied Pharmacy
