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High pressure liquid chromatographic determination of xanthomegnin in corn. 1978

M E Stack, and N L Brown, and R M Eppley

A method is described for the detection and quantitative analysis of xanthomegnin in corn samples. Initial extraction with CHCl3 in the presence of 0.5M H3PO4 is followed by additional purification using silica gel column chromatography. A high pressure liquid chromatograph equipped with a microparticle silica gel column and a 405 nm absorbance detector is used for detection and quantitation of the xanthomegnin. The identity of xanthomegnin is confirmed by thin layer chromatography on silica gel plates developed with benzene-methanol-acetic acid (90 + 5 + 5). The recovery of xanthomegnin added to corn samples at levels of 0.75--9.6 mg/kg averaged 41% with a coefficient of variation of 25%.

UI MeSH Term Description Entries
D009183 Mycotoxins Toxic compounds produced by FUNGI. Fungal Toxins,Mycotoxin,Toxins, Fungal
D009285 Naphthoquinones Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. Naphthalenediones,Naphthazarins,Naphthoquinone
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D003313 Zea mays A plant species of the family POACEAE. It is a tall grass grown for its EDIBLE GRAIN, corn, used as food and animal FODDER. Corn,Indian Corn,Maize,Teosinte,Zea,Corn, Indian

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