Journal Articles

Quantitative analysis of ginger components in commercial products using liquid chromatography with electrochemical array detection

December 22, 2010

ShaoX,LvL,ParksT,WuH,HoCT,SangS.Quantitative analysis of ginger components in commercial products using liquid chromatography with electrochemical array detection. Journal of Agricultural and Food Chemistry. 2010 Dec 22;58(24):12608-14. Epub 2010 Nov 23.

Abstract

For the first time, a sensitive reversed-phase HPLC electrochemical array method has been developed for the quantitative analysis of 8 major ginger components ([6]-, [8]-, and [10]-gingerol, [6]-, [8]-, and [10]-shogaol, [6]-paradol, and [1]-dehydrogingerdione) in 11 ginger-containing commercial products. This method was valid with unrivaled sensitivity as low as 7.3-20.2 pg of limit of detection and a range of 14.5-40.4 pg for the limit of quantification. The levels of 8 ginger components in 11 different commercial products were quantified by use of this method. The results found that both levels and ratios among the 8 compounds vary greatly in commercial products.

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