產(chǎn)γ-氨基丁酸釀酒酵母JM037釀造桑葚酒風(fēng)味物質(zhì)分析
[Abstract]:To investigate the changes of flavor substances in the preparation of mulberry wine from Saccharomyces cerevisiae JM037 producing 緯-aminobutyric acid (緯-aminobutyric acid,GABA). High performance liquid chromatography (HPLC) and headspace solid-phase microextraction (SPME)-gas chromatography-mass spectrometry (GC-MS) were used to analyze the changes of organic acids and volatile flavor substances in the fermentation process and to evaluate the content of GABA in mulberry wine. The results showed that 7 kinds of organic acids were detected in the fermentation process, and the contents of organic acids increased first and then decreased. A total of 54 volatile flavor substances were detected, including 19 esters, 16 alcohols, 8 aldehydes, 4 ketones, 3 phenols and 4 others. The relative contents were alcohols, esters, ketones, aldehydes and phenols in order from high to low. The species and relative content of volatile flavor substances also changed with the fermentation process. Principal component analysis (PCA) showed that aldehydes ketones and phenols in mulberry provided precursors for other flavor components in fermented mulberry wine. It was found that the concentration of GABA in mulberry wine was up to 1 180 mg/L. by evaluating the content of GABA.
【作者單位】: 西華大學(xué)食品與生物工程學(xué)院四川省食品生物技術(shù)重點(diǎn)實(shí)驗(yàn)室;四川省食品藥品檢驗(yàn)檢測(cè)院;
【基金】:四川省應(yīng)用基礎(chǔ)項(xiàng)目(2016JY0253) 四川省科技成果轉(zhuǎn)化示范項(xiàng)目(2016CC0074) 四川省食品生物技術(shù)重點(diǎn)實(shí)驗(yàn)室項(xiàng)目(szjj2016-019) 西華大學(xué)大健康管理發(fā)展中心重點(diǎn)項(xiàng)目(szjj2017-037)
【分類號(hào)】:O657.63;TS262.7
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