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author:

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

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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(Φ=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16min内完全分离.刺槐素、槲皮索和木犀草素的线性范围分别为0.73~22.2、0.23~16.0和0.29~18.2 μg/mL;检出限(S/N=3)分别为0.36、0.16和0.08 μg/mL.该方法已成功地应用于野菊花中3种黄酮类化合物的测定.

Keyword:

毛细管电泳 电化学检测 野菊花 黄酮类化合物

Community:

  • [ 1 ] [许雪琴]福州大学
  • [ 2 ] [余丽双]福州大学
  • [ 3 ] [陈国南]福州大学

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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: 6

Volume: 36

Page: 884-887

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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