NDLI: Impacts of carnosine on the formation of perfume compounds by ascorbic acid-methionine model reaction

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Proceedings of 2011 International Conference on Electronics and Optoelectronics

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Impacts of carnosine on the formation of perfume compounds by ascorbic acid-methionine model reaction

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Impacts of carnosine on the formation of perfume compounds by ascorbic acid-methionine model reaction

Content Provider	IEEE Xplore Digital Library
Author	Xiao-Hong Yang Ai-Nong Yu
Copyright Year	2011
Description	Author affiliation: School of Chemical and Environmental Engineering, Hubei University for Nationalities, Enshi, China (Xiao-Hong Yang; Ai-Nong Yu)
Abstract	By the solid phase micro-extraction - gas chromatography - mass spectrometry (SPME-GC-MS) technology, this article identifies products from the model reaction between ascorbic acid and methionine (ASA-Met), and studies the impacts of carnosine on the formation of perfume compounds from the model reaction. 16 perfume compounds have been identified, including furan, pyrazine, thiophene, pyrrole, compounds containing benzene rings and sulfur compounds, of which sufur compounds, such as alicyclic sulfides, thioether and pyrazine, are the main flavor components. For carnosine being added to the model system, one the one hand, the yields of some sulfur compounds will be significantly reduced, or even disappear; on the other hand, it promotes the production of several nitrogen compounds such as methyl pyrazine, ethyl pyrazine and 2,6-dimethyl pyrazine, and other alkyl pyrazine. This indicates that carnosine inhibits the thermal degradation of Met in the model reaction, and also implies that as the nitrogen source during the thermal degradation of carnosine NH3 may be generated. After a competing reaction occurs between NH3 and the degradation products of H2S and ASA, nitrogen compounds are formed, such as alkyl pyrazine, so as to cause the lower production of sulfur compounds.
File Size	1245210
File Format	PDF
ISBN	9781612842752
e-ISBN	9781612842769
DOI	10.1109/ICEOE.2011.6013122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-29
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Proteins Analytical models Ascorbic acid Neodymium Heating Manuals Methionine Maillard reaction Perfume compounds Carnosine Compounds Nitrogen
Content Type	Text
Resource Type	Article

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