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Abstract:
建立了葡萄籽提取物中原花青素测定的新方法-KMnO4分光光度法.基于原花青素结构中含有还原性基团,能在强酸性介质中与KMnO4发生氧化还原反应,在545 nm吸光度值减少而在310 nm处吸光度值增加,通过A310/A545的比值来测定原花青素.该方法的线性范围为1.6~3.6 μg/mL,RSD为0.13%~0.4%,回收率为95.2%,相关系数r=0.9996,检出限为0.03 μg/mL.
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分析试验室
ISSN: 1000-0720
Year: 2006
Issue: 11
Volume: 25
Page: 51-53
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 11
Chinese Cited Count:
30 Days PV: 6
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