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author:

许雪琴 (许雪琴.) [1] | 余丽双 (余丽双.) [2] | 陈国南 (陈国南.) [3]

Indexed by:

PKU CSCD

Abstract:

采用毛细管电泳-电化学检测测定了野菊花中3种黄酮类化合物(刺槐素、槲皮素和木犀草素)的含量.研究了检测电位、运行缓冲溶液浓度和pH值,分离电压和进样时间对分离和检测的影响.以微碳圆盘电极(Ф=0.5 mm)为工作电极,检测电位为+0.95 V(vs.Ag/AgCl),以pH=8.00的50 mmol/L Na2B4O7~100mmol/L NaH2PO4缓冲液为运行液,当分离电压为21 kV时,3种黄酮类化合物在16 min内完全分离.刺槐素、槲皮素和木犀草素的线性范围分别为0.73~22.2、0.23~16.0和0.29~18.2μg/mL;检出限(S/N=3)分别为0.36、0.16和0....

Keyword:

毛细管电泳 电化学检测 野菊花 黄酮类化合物

Community:

  • [ 1 ] 福州大学化学化工学院食品安全分析与检测技术教育部重点实验室

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2008

Issue: 06

Volume: 36

Page: 884-887

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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