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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Behavior of a Fenhexamid Photoproduct during the Alcoholic Fermentation of Saccharomyces cerevisiae.
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Behavior of a Fenhexamid Photoproduct during the Alcoholic Fermentation of Saccharomyces cerevisiae.

机译：酿酒酵母酒精发酵过程中的芬六胺光产品的行为。

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摘要

The fungicide fenhexamid [N-(2,3-dichloro-4-hydroxyphenyl)-1-methylcyclohexanecarboxamide] degraded rapidly by UV or sunlight irradiation, yielding 7-chloro-6-hydroxy-2-(1-methylcyclohexyl)-1,3-benzoxazole (CHB) as a main photoproduct. CHB was isolated, and its effect on alcoholic fermentation of Saccharomyces cerevisiae was studied. The results indicate that the presence of CHB does not affect the extent of alcohol production. After 12 days, the amount of CHB in the fermentation medium decreased by ca. 65%. Only 25% of the missing CHB was recovered unchanged from yeasts, most likely because it was adsorbed on the yeast wall cell. The remaining part degraded during the fermentation process. Glucan and chitin, two potential adsorbents, which constitute yeast cell walls, exhibited affinity for CHB.
机译：杀菌剂苯六胺[N-（2,3-二氯-4-羟基苯基）-1-甲基环己烷甲酰胺]在紫外线或阳光照射下迅速降解，生成7-氯-6-羟基-2-（1-甲基环己基）-1,3 -苯并恶唑（CHB）作为主要的光产物。分离出CHB，研究其对啤酒酵母酒精发酵的影响。结果表明，CHB的存在不影响酒精生产的程度。 12天后，发酵培养基中CHB的量减少了约5％。 65％。丢失的CHB仅25％从酵母中被原样回收，很可能是因为它吸附在酵母壁细胞上。其余部分在发酵过程中降解。葡聚糖和几丁质是构成酵母细胞壁的两种潜在吸附剂，对CHB具有亲和力。

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