Interference by Methyl Levulinate in Determination of Total Fat in Low-Fat,High-Sugar Products by Gas Chromatographic Fatty Acid Methyl Ester (GC-FAME) Analysis
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چکیده
منابع مشابه
Bacterial Identification by Gas Chromatographic Analysis of Fatty Acid Methyl Esters (GC-FAME)
For many years, analysis of short chain fatty acids (volatile fatty acids, VFAs) has been routinely used in identification of anaerobic bacteria. In numerous scientific papers, the fatty acids between 9 and 20 carbons in length have also been used to characterize genera and species of bacteria, especially nonfermentative Gram negative organisms. With the advent of fused silica capillary columns...
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INTRODUCTION In intensive agriculture areas the use of pesticides can alter soil properties and microbial community structure with the risk of reducing soil quality. MATERIALS AND METHODS In this study the fatty acid methyl esters (FAMEs) evolution has been studied in a factorial lab experiment combining five substrates (a soil, two aged composts and their mixtures) treated with a co-applicat...
متن کاملDetermination of lipids in infant formula powder by direct extraction methylation of lipids and fatty acid methyl esters (FAME) analysis by gas chromatography.
Fatty acid methyl esters (FAMEs) of pure triglyceride standards, oils, and fat from dry matrixes were formed by transesterification using sodium methoxide in methanol-hexane. FAMEs were produced by direct addition of sodium methoxide-hexane to samples and heating to simultaneously extract and transesterify acyl lipids. FAMEs were quantitated by capillary gas chromatography (GC) over a fatty aci...
متن کاملIdentification and Characterization of Isolates of Phytophthora infestans Using Fatty Acid Methyl Ester (FAME) Profiles
The recent resurgence of the late blight pathogen, Phytophthora infestans (Mont.) de Bary, as a major agricultural threat, as well as the associated changes in genetic complexity of this organism, have necessitated careful scrutiny and characterization of populations of P. infestans so that appropriate control methods can be implemented. Several techniques for molecular and genetic characteriza...
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ژورنال
عنوان ژورنال: Journal of AOAC INTERNATIONAL
سال: 1999
ISSN: 1060-3271,1944-7922
DOI: 10.1093/jaoac/82.3.766