Identification of Catechol as a New Marker for Detecting Propolis Adulteration

Molecules

Shuai Huang¹  Cui-Ping Zhang¹  George Q. Li²  Yue-Yi Sun¹  Kai Wang¹ 

[1] College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; E-Mails:;Faculty of Pharmacy, University of Sydney, Sydney, NSW 2006, Australia; E-Mail:

关键词: propolis;    poplar extract;    catechol;    polyphenol oxidase;    biosynthesis;   

DOI  :  10.3390/molecules190710208

来源: mdpi

【 摘 要 】

Adulteration of propolis with poplar extract is a serious issue in the bee products market. The aim of this study was to identify marker compounds in adulterated propolis, and examine the transformation of chemical components from poplar buds to propolis. The chemical profiles of poplar extracts and propolis were compared, and a new marker compound, catechol, was isolated and identified from the extracts of poplar buds. The polyphenol oxidase, catechol oxidase, responsible for catalyzing oxidation of catechol was detected in poplar buds and propolis. The results indicate catechol can be used as a marker to detect propolis adulterated with poplar extract.

【 授权许可】

CC BY   
© 2014 by the authors; licensee MDPI, Basel, Switzerland.