推荐回答(3个)
米最好是轻轻的淘一次,因为米中会有些沙子,泥土,糠等杂质在镇蠢表面上,所以要轻轻的淘洗一次。
米粒不易多淘,因为米中含有不少容易溶于水的维生素和无机盐,如果要用力搓洗,或者淘洗多了,或者浸泡久了,无机盐和可溶性
维生素有可能会分溶于水中,在淘洗过程中,维生素B1损失率会达25%一50%左右,维生素B2和尼克酸损失率也可达20%一25%左右。
再就是米粒还不易浸泡时间太久,泡久了不但口感不好嗯,还容易碎裂,更不要用热水和流动的水来冲洗,只要轻轻的淘洗一遍,就可以了。
首先要尽量减少用水量以及淘洗的次数,能将大米中的泥沙洗去即可。大米接触水的时间越长,搓洗的力度越大就越会把大米表面的营养物质洗去,很多人没有意识到大米的表皮其实含有非常丰富的营养成分,如各种维生素,无机盐,蛋白质等。
其次,选用凉水淘米。热水会增加这些营养成分的加速流失。
最后,淘完米后立即下锅,不要停留过多时间。
还有一点需要注意的是,绝旅物大米煮粥时,不要加碱,因为这样会使得大米中的维生素b几乎完全流失,而且大米粥再加碱之后,会使得其中的矿物质吸收变难。
淘完米的并液水其实可以拿来洗脸,用淘米水洗脸能起到祛油润肤的作用,尤其适合青春痘以及油性皮肤的人使用。
用淘米水来浸泡切菜板,能够去除切菜板的异味。
用淘米水来清洗碗筷,去污能力也不错,而且健康卫生。
随着人民生活水平的提高,大米越来越精白,精白米的营养素随之几十年前返扮前漏清的糙米有所下降,营养素越来越多地流失到米糠之中。防止大米在加工过程中营养素的丢失应引起注意,否则除提供能量外,大米营养会变的微乎其微了。然而,在烹调的过程中会造成营养素的进一步的损失。
大米无论是煮粥还是做米饭时,在烹调前都需要进行淘洗,淘洗会造成营养素的损失,应注意尽量减少洗米的次数。有实验表明,大米经过淘洗2~3次后,硫胺素会损失30~60%;核黄素和烟酸可损失近25%;搓洗的次数越多,洗的水温越高或在水中泡的时间越长,营养素的损失就会越多。所以应避免大米过分的淘洗。
米饭在烹调加热的过程中维生素又会损失一部分,焖米饭营养素损失少,捞米饭则会使大量营养素随米汤流失。一般捞米饭可损失67%的硫胺素,50%核黄素,76%的尼克酸,同时会使大部分蛋白质和矿物质损失掉。在城市目前多采用电饭煲和高压锅焖饭或用盆蒸饭,营养素损失相对较少。但在有的农村仍采用捞饭(将米煮的半熟捞出再蒸)的烹调方法,而米汤又弃之不食,这缺做将加大维生素的损失。一般捞饭(弃米汤)可使硫胺素损失60~70%;核黄素损失50%;烟酸损失78~80%
米在淘洗的过程中主要流失的维生素。那维西维秘。都有。
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