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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Methoxypyrazines ： ウィキペディア英語版 Methoxypyrazines Methoxypyrazines are a class of chemical compounds that produce odors. The odors tend to be undesirable, as in the case of certain wines,〔(Trace flavour components of grapes )〕 or as in the case of the Asian Lady Beetle which produces isopropyl methoxy pyrazine (IPMP). They have also been identified as additives in cigarette manufacture. Detection thresholds are very low, typically near 2 parts per trillion (1 ng/L).〔 == Examples of methoxypyrazines in wine grapes == Cabernet Sauvignon have high levels of methoxypyrazines.〔winepros.com.au ''Oxford Companion to Wine'' (methoxypyrazines )〕〔Oz Clarke ''Encyclopedia of Grapes'' pg 223 Harcourt Books 2001 ISBN 0-15-100714-4〕 Two methoxypyrazine compounds, 3-isobutyl-2-methoxypyrazine (IBMP) and 3-isopropyl-2-methoxypyrazine (IPMP), are considered to be important determinants of green flavours in Sauvignon blanc wines.〔Marais, J., Hunter, J.J., & Haasbroek, P.D. (1999). Effect of microclimate, season and region on Sauvignon blanc grape composition and wine quality. South African Journal of Enology and Viticulture, 20, 19-30.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Methoxypyrazines」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.