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第二百七十二章 食物的保存(二)(1 / 2)

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“那要怎么才能破坏它们的生存条件呢?”汉弗莱倒是有些听明白了,只要能杀死这些所谓的微生物,那么食物就可以保存更长的时间了。

“降低温度是一种方法,”布兰说道,“但是降低温度只能降低它们的活性,让它们的繁殖速度变慢,很难彻底杀死它们。”

“所以冬天的食物比夏天的食物,能保存更长的时间?”汉弗莱倒是越听越感兴趣,不过随即有些疑惑的说道,“但是,在夏天的话,要怎么保证食物不坏呢?”

“方法还是有的,比如说高温!”布兰继续说道,“高温可以杀死微生物,可以让我们吃的食物更加安全”

“原来如此,可是,即使是煮熟的食物,时间久了,也是会腐坏变质的!”汉弗莱又提出了新的问题。根据常识来说,哪怕是煮好的食物,放上一段时间,也是会变质的。

“这个很简单,那是因为我们的空气中也有微生物,”布兰解释道,“我们虽然杀死了食物中的微生物,但是过上一段时间,空气中的又会跑进去。所以食物同样会腐坏。”

“那岂不是白费劲?”汉弗莱思考起来,这样的话,要怎么才行呢?杀死了食物中的细菌,但是空气中的又会跑进去。如果有个办法能阻止它们跑进去就好了?

“等等!”汉弗莱突然有了灵感,兴奋的说道,“那如果我们把食物先加热煮熟,杀死其中的微生物。然后再放入一个密闭的容器中,是不是就可以避免腐坏的发生了?”

布兰有些惊讶,只不过稍微点拨了一下,居然就能够这么快发现罐头的制造方法,还真是不简单。

历史上的第一个罐头,就是这么完成的。做法也是先把食物煮熟,杀死里面的微生物,然后放入玻璃容器中,密封起来。这样就可以保存更长的时间。

“不过,也并非完全避免腐坏。”布兰说道,“这样只是能让食物保存延长,时间久了的话,还是会坏掉的。但是和以前相比,可以保存的时间,会大大延长。”

“大人放心,”汉弗莱明白了布兰的意思,“我会派人去实验一下的!”

这对于绝冬城来说,可是一件大大的好事。

“不,这件事我打算亲自来做,”布兰说道,“你从工坊调一些熟练的人手给我,我记得你手下有一个叫白粥的吧,倒是很机灵,正好把他也叫过来。”

“只是大人,这样的话,工坊那边...”汉弗莱有些为难的看着布兰。

最近工坊可是忙的不可开交,之前的战斗消耗了大量的弹药,正急待补充。而且,还要制作更多的魔抗铠甲。

所以在人手方面,有些捉襟见肘。

“放心!”布兰说道,“这件事我已经和老哈卡说过了,所缺的人手,他会负责招募的。”

“那就好,”汉弗莱也放下心来。

......

另一边,狐妖这边。

魔法阵已经建立了,源源不断的魔力从灵脉中涌出。

较之以往,要更加浓郁的多。狐妖感觉到自己修炼的速度,简直可以用一日千里来形容。

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