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요약정보
金银花总三萜提取工艺及其抗菌抗氧化活性
Resource Type
Academic Journal
Authors
常霞
;
景炳年
;
范毅
;
王伟
;
刘雨晴
;
李智宁
;
郭唯
;
魏磊
Source
江苏农业科学 / Jiangsu Agricultural Sciences
. 47(16):198-202
Subject
金银花
总三萜
响应面
抗菌
抗氧化
提取工艺
Language
Chinese
ISSN
1002-1302
Online Access
Find it @ DONGA
초록
以金银花为原料,乙醇为溶剂,考察超声辅助提取金银花总三萜的最佳工艺.在单因素(料液比、乙醇浓度、超声时间和超声温度)试验基础上,利用响应面法,研究各因素间相互作用及对三萜提取率的影响,获得最佳提取工艺为料液比1 g∶30 mL、乙醇浓度75%、超声时间50 min、超声温度45℃,验证试验结果显示,三萜提取率为3.71%,与理论值接近;通过微量稀释法检测常见致病菌对金银花总三萜的敏感性,最小抑菌浓度范围在3~ 24 mg/mL之间,证明金银花三萜具有较强的抗菌作用;DPPH、ABTS自由基清除试验IC50分别为26.1、18.8 mg/mL,说明金银花三萜具有一定的抗氧化活性.本研究为金银花三萜进一步的研究开发提供了科学依据.
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