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Influence of gender and menstrual cycle on volatile sulphur compounds production
Archives of Oral Biology, 2008The menstrual cycle has been pointed out as a factor influencing halitosis. However, this relationship has not yet been clarified. The aim of this study was to evaluate the influence of gender and the menstrual cycle on the production of volatile sulphur compounds (VSC) in women (n=14) across the menstrual cycle, and in men (n=17).
Fernanda Klein Marcondes
exaly +3 more sources
Methionine catabolism and production of volatile sulphur compounds by OEnococcus oeni
Journal of Applied Microbiology, 2004During malolactic fermentation (MLF), the secondary metabolisms of lactic acid bacteria (LAB) contribute to the organoleptic modification of wine. To understand the contribution of MLF, we evaluated the capacity of various wine LAB to metabolize methionine.Using gas chromatography (GC) coupled either with mass spectrometry (MS) or a flame photometry ...
Pripis-Nicolau, L. +3 more
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Quantitation of volatile sulphur compounds in polluted waters
Journal of Chromatography A, 1997Abstract A study on the linear dynamic range of a combined cryogenic trap-gas chromatographic method with flame photometric detection (FPD) has shown that quantitation of volatile sulphur compounds (VSCs) in heavily polluted waters, in the order of hundreds of nanograms, is possible.
Ines Sola +4 more
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The Negative Effects of Volatile Sulphur Compounds
Journal of Veterinary Dentistry, 2015Oral malodor has been studied extensively in humans but not necessarily to the same degree in our veterinary patients where malodor constitutes a significant problem. Breath malodor may originate from the mouth, or from an extra oral source, originating from other organ systems such as gastrointestinal, respiratory, or even systemic disease.
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Preconcentration of Volatile Sulphur Compounds on Solid Sorbents
International Journal of Environmental Analytical Chemistry, 1983Abstract The development of industry and urbanisation is at the origin of ever-increasing levels of anthropogenic pollution. Emissions of sulphur-containing compounds are partly composed of volatile organic compounds which add to those generated through natural processes.
L. Torres +4 more
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ESTIMATION OF VOLATILE SULPHUR COMPOUNDS IN BEER
Journal of the Institute of Brewing, 1992A method has been developed for the quantitative estimation of volatile sulphur compounds in beer at levels below 0.1 μg litre−1. The method relies on the concentration of beer headspace volatiles onto a porous polymer followed by injection into a capillary gas chromatographic column using a thermal desorption cold trap injector.
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ARTIFACTS IN GLC DETERMINATION OF VOLATILE SULPHUR COMPOUNDS IN BEER
Journal of the Institute of Brewing, 1973The chromatographic response of volatile sulphur components in the headspace of a typical Canadian ale investigated by a GLC technique using the FPD detector was found to vary according to the analytical procedure selected. Time and temperature of sample conditioning as well as mode of column preparation are stressed as the most important variables in ...
P. J. Richardson, M. Mocek
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P44 Management of volatile sulphur compounds with ozone
Oral Diseases, 2005Volatile sulphur compounds (VSCs) are responsible for oral malodour (bad breath). There are many otc products for people for use, based on an oxidative reaction system. This paper examines the effect of ozone on VSCs.Objective To test the efficacy of Ozone (O3) dissolved in water on VSCs and the management of bad breath in a small pilot study in a ...
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Halitosis associated volatile sulphur compound levels in patients with laryngopharyngeal reflux
European Archives of Oto-Rhino-Laryngology, 2016Previous reports have suggested that laryngopharyngeal reflux (LPR) may cause halitosis. However, it remains unclear if LPR is a risk factor for halitosis. The aim of this study was to investigate if patients diagnosed with LPR have an increased probability of halitosis compared to a normal population.
Mehmet Ozgur, Avincsal +5 more
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Volatile sulphur compounds and pathways of l-methionine catabolism in Williopsis yeasts
Applied Microbiology and Biotechnology, 2012Volatile sulphur compounds (VSCs) are important to the food industry due to their high potency and presence in many foods. This study assessed for the first time VSC production and pathways of L: -methionine catabolism in yeasts from the genus Williopsis with a view to understanding VSC formation and their potential flavour impact.
Tan, A.W.J. +4 more
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