自制葡萄酒为什么会酸_备孕

自酿的葡萄酒变酸了有两种原因：

1，发酵时间太长，没有及时终止发酵，没有及时倒桶，俗话说叫发酵过了，酒变成了醋。

2，另一种原因是酒液被醋酸菌污染，酒液变质，变酸，这种情况是不能饮用的。

自酿葡萄酒的方法如下：

材料：新鲜的葡萄，白糖，容器。

第一步，去市场购买新鲜的葡萄，把坏掉的葡萄挑出来。

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第二步，洗干净葡萄然后泡半小时淡盐水，再冲洗一遍。

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第三步，冲洗完成后放在外面干净的地方晾干，不要让葡萄把多余的水分带进去。

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第四步，把晾干的葡萄捏碎后放入容器内，按照6斤葡萄1斤白糖的比例来放入白糖，然后搅拌均匀把盖子密封好。

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第五步，夏季发酵一周就可以了，秋季温度低的话要半个月的时间发酵。

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第六步，发酵完后，用滤网过滤出来葡萄酒，可以多过滤几遍再装进酒瓶中。

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