Volatile Metabolites
نویسندگان
چکیده
منابع مشابه
Volatile Metabolites
Volatile organic compounds (volatiles) comprise a chemically diverse class of low molecular weight organic compounds having an appreciable vapor pressure under ambient conditions. Volatiles produced by plants attract pollinators and seed dispersers, and provide defense against pests and pathogens. For insects, volatiles may act as pheromones directing social behavior or as cues for finding host...
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Volatile constituents of 30 urines from 10 adults have been studied by gas chromatography, and two also by mass spectrometry. The sample was prepared by extracting urine with ethyl ether, distilling the extract at low temperature under reduced pressure, and concentrating the distillate to a few microliters. High-efficiency capillary columns, 150 m X 0.5 mm i.d., provide the resolution necessary...
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Ideally, invading bacteria are detected as early as possible in critically ill patients: the strain of morbific pathogens is identified rapidly, and antimicrobial sensitivity is known well before the start of new antimicrobial therapy. Bacteria have a distinct metabolism, part of which results in the production of bacteria-specific volatile organic compounds (VOCs), which might be used for diag...
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Fragrances and malodors are ubiquitous in the environment, arising from natural and artificial processes, by the generation of volatile organic compounds (VOCs). Although VOCs constitute only a fraction of the metabolites produced by an organism, the detection of VOCs has a broad range of civilian, industrial, military, medical, and national security applications. The VOC metabolic profile of a...
متن کاملDetection of Volatile Metabolites of Garlic in Human Breast Milk
The odor of human breast milk after ingestion of raw garlic at food-relevant concentrations by breastfeeding mothers was investigated for the first time chemo-analytically using gas chromatography-mass spectrometry/olfactometry (GC-MS/O), as well as sensorially using a trained human sensory panel. Sensory evaluation revealed a clear garlic/cabbage-like odor that appeared in breast milk about 2....
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ژورنال
عنوان ژورنال: Metabolites
سال: 2011
ISSN: 2218-1989
DOI: 10.3390/metabo1010041