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Zhang XQ, Xu LS. Determination of avicularin in Polygonum aviculare L. by square wave polarography. Proc Chin Acad Med Sci Peking Union Med Coll. 1989;4(4):193-5
Zhang, X. Q., & Xu, L. S. (1989). Determination of avicularin in Polygonum aviculare L. by square wave polarography. Proceedings of the Chinese Academy of Medical Sciences and the Peking Union Medical College = Chung-kuo i hsueh k'o hsueh yuan, Chung-kuo hsieh ho i k'o ta hsueh hsueh pao, 4(4), 193-5.
Zhang, X Q, and Xu, L S. "Determination of avicularin in Polygonum aviculare L. by square wave polarography." Proceedings of the Chinese Academy of Medical Sciences and the Peking Union Medical College = Chung-kuo i hsueh k'o hsueh yuan, Chung-kuo hsieh ho i k'o ta hsueh hsueh pao vol. 4,4 (1989): 193-5.
Zhang XQ, Xu LS. Determination of avicularin in Polygonum aviculare L. by square wave polarography. Proc Chin Acad Med Sci Peking Union Med Coll. 1989;4(4):193-5. PMID: 2631115.
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Proc Chin Acad Med Sci Peking Union Med Coll. 1989;4(4):193-5.

Determination of avicularin in Polygonum aviculare L. by square wave polarography.

Proceedings of the Chinese Academy of Medical Sciences and the Peking Union Medical College = Chung-kuo i hsueh k'o hsueh yuan, Chung-kuo hsieh ho i k'o ta hsueh hsueh pao

X Q Zhang, L S Xu

PMID: 2631115

Abstract

A method for the determination of avicularin in Polygonum aviculare L. is described. Square wave polarography (SWP) with a static mercury drop electrode was used to observe the reduction of avicularin. The supporting electrolyte was an acetate buffer solution of pH 4. Avicularin gives a well-defined peak at a potential of -1.30 V (vs. Ag/AgCl). An excellent linear relationship was obtained between the concentration (1.20-3.59 x 10(-6) mol/L) and peak current. The method can be used to analyze small amounts of sample.

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