黄豆发霉是由什么霉菌导致的

2025-03-15 04:41:54
推荐回答(2个)
回答1:

因为空气中有各种各样的细菌,导致发霉常是多种共同作用。我们肉眼可见的“发霉”其实不止如此,我们能看到的已经是成熟的菌群了,一般细菌只有在可以生殖之后才会显色,且很多都是细菌的孢子的颜色。此时菌丝已几乎长满生长基质(就是它们长着的东西)。
青霉菌孢子青至黑色,红曲霉红色。
要想不让东西发霉就要去掉细菌的生长条件,空气、温度、水分等其中一项或几项,当然最重要的是细菌本身。因为你要做黄豆发芽实验,不可能除去空气温度水分中的任何一项,那么,就尽量把你的试验品放置在清洁的环境中喽:)

回答2:

发霉的黄豆中含有许多有毒的霉菌,如黄曲霉菌和红青霉菌

人吃了含有霉菌毒素的食物就会发生中毒,其中小孩较为敏感。中毒后常呈急性发作,出现中枢神经紊乱,厉害的甚至造成死亡。

发霉的原因:豆本身不清洁,含有很多菌,加上温度,水分等的作用,自然容易发霉腐烂

为避免黄豆发霉,应选择颗粒饱满、色泽黄亮、豆瓣呈青白色的黄豆,泡发时应做到以下几点:

①当豆芽长到15毫米长时浇水要透不留死角,以防红根、烂根。

②掌握好水温,定时浇水,用水不忽冷忽热,以防芽根成红棕色。

③浇水水温不宜太高,水头不宜太短,否则会使豆芽只长根不长梗。

④芽长50毫米时应提高水温,增加热量以防芽根发黑。

⑤当豆芽将好时,应降低最后三次浇水的水温,发芽完毕及时取出,以防豆芽出现中间烂的现象。

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