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yeast assimilable nitrogen 添加释义

网络释义英英释义

  酵母菌可同化氮

酵母菌进行酒精发酵时,需要一定浓度水平的氮源,特别是酵母菌可同化氮(Yeast Assimilable Nitrogen,YAN)。 酯类、高级醇和挥发性脂肪酸是发酵香气的主要贡献者。

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Yeast assimilable nitrogen

  • abstract: Yeast assimilable nitrogen or YAN is the combination of Free Amino Nitrogen (FAN), ammonia (NH3) and ammonium (NH4+) that is available for the wine yeast Saccharomyces cerevisiae to use during fermentation. Outside of the fermentable sugars glucose and fructose, nitrogen is the most important nutrient needed to carry out a successful fermentation that doesn't end prior to the intended point of dryness or sees the development of off-odors and related wine faults.

以上来源于: WordNet

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