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LG asked in 食品與飲料啤酒、葡萄酒與烈酒 · 1 decade ago

酵母菌發酵

請問酵母菌高溫超過幾度便會死亡.

1 Answer

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  • 皂訪自然
    Lv 7
    1 decade ago
    Favorite Answer

    你好

    以酵母菌進行酒精發酵

    其最適合的條件為

    pH 5~6

    溫度 25~30度C

    在發酵進行中

    發酵液會因酵母菌發酵作用而升溫

    當溫度高於 40 度C時

    酵母菌便會開始死滅

    所以酒廠的發酵槽均有控溫設備

    當酒精度大於 13 度時

    也會抑制酵母菌的增殖

    因此常見的市售葡萄酒其酒精度約為 10~13%

    Source(s): 發酵學
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