刚从奶牛身上挤出的奶怎么喝?

2025-03-13 03:49:21
推荐回答(5个)
回答1:

牛奶是刚从奶牛身上挤出来的,但是,绝对不能直接给孩子喝,生鲜奶里有很多细菌,要煮过的。
刚挤出来的生鲜奶不能直接饮用的主要原因是,生鲜奶中含有很多有益菌和有害菌,这些有害菌虽然不会致命,但有些有害菌会降低人体免疫力,还有些细菌比如大肠杆菌,会让人腹泻。

煮牛奶的方法是用大火煮,牛奶沸腾后离火。落滚后再加热,如此反复3至4次。用这种办法煮牛奶可以使牛奶中的营养成份不流失,用小火煮牛奶,会破坏牛奶中维生素等营养成份。另外牛奶煮沸很长时间会产生焦糖,是一种致癌物质。
建议边煮边注意观察牛奶变化,待牛奶出现第一个“气泡”的时候,立即关火。煮的过程中要不停搅拌,动作要温和,不要搅起泡沫。

回答2:

晕,直接从奶牛身上挤出的新鲜奶是不能直接喝的啊,有毒的,你不知道吗。有一个人就说外面卖的牛奶很多毒素,就自己养奶牛自己喝,后来就因为这样死了,刚刚挤出的牛奶有一种毒素,人是不能直接喝的,都是要经过处理的,不要说是大人了,你小孩那么小,还这样给他喝,不出问题才怪啊,你千万不要这样做啊,你去买那些奶粉不是更好吗,虽然说现在奶粉也有问题,但是也好过直接喝鲜牛奶,最好还是母乳喂养啦。

回答3:

1.保温杀菌法。即低温长时间杀菌法,是在带有夹层的保温缸中进行,缸为双层圆筒状,有搅拌、温度控制装置,缸外壁有绝热保温层,内壁为传热良好的壁层,一般用不锈钢制成。蒸汽或热水可通过夹层来加热牛奶,使牛奶在62—65℃下保持30分钟,然后夹层通入冷却水,可使经过消毒的牛乳冷却。这种方法设备简单、操作简易,但工作效率不高,热能消耗大,不能连续生产。

2.高温短时间杀菌法。这种杀菌方法一般是采用板式热交换器来进行,加热介质为蒸汽或热水,冷却时用盐水或冷却水。板式热交换器由数片不锈钢板排列而成,钢板的一面牛乳成薄层流动,隔着钢板的另一面加热或冷却介质以逆方向流动,从而进行热交换。原料乳进入热交换器后经过预热,再加热到72—75℃,保持15秒,经过冷却后排出。这种杀菌方法热能利用率高,节省能源,可连续操作,处理能力强,牛乳在全封闭管道中流动,污染机会少。

采用巴氏消毒法生产消毒牛乳时,由于对细菌的致死率只有96—99%,达不到灭菌效果,消毒牛乳都需在低温下保存,货架期也只有一个星期左右。

回答4:

直接加热晚上喝掉 其实晚上喝奶对身体也是非常有益的 你可以再定一份早上送到的 或者给孩子喝袋装或者盒装的

回答5:

不要直接喝
牛奶不是每个人的身体都能接受的,而且新鲜的牛奶更加.
新鲜的牛奶并不卫生,营养不容易被人体吸收.
需要加热煮开,因为原始的牛奶浓度太高,最好是喝处理过的牛奶,味道也会好一点!

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