Coffee aroma constituents and odorant metabolites in human urine

Maria Wagenstaller; Andrea Buettner

首页> 外文期刊>Metabolomics : >Coffee aroma constituents and odorant metabolites in human urine

【24h】

Coffee aroma constituents and odorant metabolites in human urine

机译：Coffee aroma constituents and odorant metabolites in human urine

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

Excretion of odorants and their metabolites into human urine was investigated in urine samples obtained from 14 volunteers after consumption of common dosages of coffee with respect to, blank urine samples prior to coffee consumption. Analyses were targeted both on common potent odor constituents of the coffee beverage, as characterized by aroma extract dilution analysis, as well as on volatile constituents of coffee occurring at elevated concentrations and thereby representing quantitatively dominating compounds in the coffee volatile fraction. Identification and quantification of the target substances was accomplished by two-dimensional high resolution gas chromatography mass spectrometry (2D-HR-GC-MS; heart-cut technique) in conjunction with stable isotope dilution assays. Quantification was made on free volatile or odoros marker substances in the urine and their glucuronidated derivatives. Data revealed that some odorants were present at considerably elevated concentrations after the ingestion of coffee. This was confirmed by the odor profiles of the respective urine samples during sensory analysis.

著录项

来源
《Metabolomics :》 |2014年第2期|225-240|共16页
作者
Maria Wagenstaller; Andrea Buettner;
展开▼
作者单位

Department for Chemistry and Pharmacy-Emil Fischer Center, University of Erlangen-Nuremberg;

展开▼
收录信息
原文格式 PDF
正文语种英语
中图分类生理学;
关键词
Stable isotope dilution assays (SIDA); Glucuronide; Glucuronidase assay; Biotransformation; Metabolism; Ingestion;

Coffee aroma constituents and odorant metabolites in human urine

摘要

著录项

相关主题

期刊订阅