title: Quantitative analysis of ginger components in commercial products using liquid chromatography with electrochemical array detection.
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.
authors.affiliation: Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States.
authors.forename: Xi
authors.initials: X
authors.lastname: Shao
authors.forename: Lishuang
authors.initials: L
authors.lastname: Lv
authors.forename: Tiffany
authors.initials: T
authors.lastname: Parks
authors.forename: Hou
authors.initials: H
authors.lastname: Wu
authors.forename: Chi-Tang
authors.initials: CT
authors.lastname: Ho
authors.forename: Shengmin
authors.initials: S
authors.lastname: Sang
mesh_terms: D002396:Catechols / Q000032:analysis; D002851:Chromatography, High Pressure Liquid / Q000295:instrumentation / Q000379:methods*; D005233:Fatty Alcohols / Q000032:analysis; D020939:Zingiber officinale / Q000737:chemistry*; D010936:Plant Extracts / Q000032:analysis*
chemical_list: D002396:Catechols; D005233:Fatty Alcohols; D010936:Plant Extracts; C040115:shogaol; C007845:gingerol