In which alcoholic fermentation is the main phase of brewing, is the role of microorganisms by the yeast, the grape sugar into alcohol in the process.

其中酒精发酵是酿造的主要阶段，是经由酵母菌的微生物作用，将葡萄中的糖转变为酒精的过程。

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This paper introduced the process and quality level of using orange juice as raw material to produce vinegar by alcoholic and acetic acid fermentation.

本文介绍了用桔子汁为原料，经酒精发酵和醋酸发酵生产果醋的工艺及其产品的质量特点。

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This paper introduced the process and quality level of using papaya as raw material to produce vinegar by alcoholic and acetic acid fermentation.

本文介绍了用成熟番木瓜为主要原料，经酒精发酵，醋酸发酵生产果醋的工艺及产品的质量标准。

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