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요약정보
阳荷根乙醇提取物的生物活性研究 / BiologicalActivity of Ethanol Extract from Root of Zingiber striolatum
Resource Type
Academic Journal
Authors
白雅竹
;
梁诗
;
陈良华
;
黄雯
;
许传俊
;
童庆宣
;
林河通
;
明艳林
;
BAI Ya-zhu
;
LIANG Shi
;
CHEN Liang-hua
;
HUANG Wen
;
XU Chuan-jun
;
TONG Qing-xuan
;
LIN He-tong
;
MING Yan-lin
Source
亚热带植物科学 / Subtropical Plant Science
. 48(4):321-328
Subject
阳荷根
大孔树脂
抗氧化
抑硝化
抗肝癌
Language
Chinese
ISSN
1009-7791
Online Access
초록
为测定阳荷Zingiber striolatum根75%乙醇粗提物及其不同浓度乙醇梯度洗脱所得样品的体外抗氧化、抑硝化、抗肝癌等生物活性,采用清除体外DPPH、ABTS自由基两种方法考察抗氧化活性;用体外清除亚硝酸盐和阻断亚硝胺合成两种方法比较抑硝化能力;用MTT方法比较其对人肝癌细胞株HepG2和SMMC7721肝癌细胞的相对存活率.结果显示,不同乙醇浓度梯度洗脱所得样品的抗氧化活性整体上比总的75%乙醇粗提物活性好.ZC-Ⅱ(75%乙醇粗提物用25%乙醇洗脱的样品)抑硝化效果最好,清除亚硝酸盐和阻断亚硝胺合成的IC50值分别为8.198 mg·mL-1、1.270 mg·mL-1.ZC-Ⅴ(75%乙醇粗提物用95%乙醇洗脱的样品)的抗肝癌效果达到95.6%,并存在剂量依赖效果.证实不同乙醇浓度洗脱所得样品的生物活性高于总粗提物活性,且生物活性部位主要集中在小极性部位.
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