西红柿煮时间长了营养减少吗

2025-03-25 06:09:35
推荐回答(5个)
回答1:

是的。

番茄不宜长时高温加热,因番茄红素遇光、热和氧气容易分解,失去保健作用,因此,烹调时应避免长时间高温加热;烧煮时稍加些醋,就能破坏其中的有害物质番茄碱。和番茄搭配最营养的有:

1、番茄烧茄子。做茄子最痛苦的事是它很容易吸油。但有番茄就不同了。这道菜能融合番茄的酸和茄子的嫩,将二者营养合二为一,既除去了红烧茄子的油腻,又中和了番茄的酸气,味美色香。

2、番茄炒菜花。这道菜非常适合老年人吃,是一道开胃佳肴。番茄具有健胃消食、养阴生津的功效,菜花含有大量钾、钙、叶酸和硒,也是纤维素的极佳来源,有帮助消化、增强食欲、防治便秘的功效。

3、番茄土豆片。这道菜可以防治高血压,因为两种原料有一个共同的特点,都含有丰富的钾,钾能促进血中钠盐的排出,有降压、利尿、消肿作用,对高血压、肾脏病有良好的辅助治疗作用。

4、番茄炒虾仁。虾仁肉质松软,易于消化,含蛋白质是鱼、蛋、奶的几倍到几十倍,和鸡蛋番茄同炒,虾仁洁白,鸡蛋嫩黄,番茄鲜红,色泽美观,营养均衡,味道可口,还能健脾开胃。

扩展资料:

吃番茄的禁忌:

1、不宜生吃,尤其是脾胃虚寒及月经期间的妇女。如果只把番茄当成水果吃补充维生素C,或盛夏清暑热,则以生吃为佳。

2、不宜空腹吃,因其所含的某种化学物质与胃酸结合易形成不溶于水的块状物,食之往往引起腹痛。

3、不宜吃未成熟的青色番茄,因含有毒的龙葵碱。

参考资料来源:人民网-吃番茄的禁忌 4种食物和番茄搭配最营养

回答2:

西红柿煮时间长了营养会减少。

  1. 生吃西红柿,维生素C的吸收是最多的,但是熟着吃的话西红柿中的维C加热会分解,皮下营养组织加热会失去活性,维生素C就会被破坏许多.生吃西红柿是补充维生素C的一个好办法。但是那种没成熟的青西红柿里是有毒的,不能吃。

  2. 当然,凡事有利必有弊。与食用生西红柿相比,人们食用加后的西红柿,更能提高徊中番茄红素的抗氧化剂的浓度。这是因为高温破坏了番茄细胞的细胞壁,从而增加了番茄红素等抗氧化剂的释放。此外,西红柿在烹调过程中,常会用到花生油、色拉油等植物油,而这些油脂将帮助西红柿将番茄红素等脂溶性抗氧化剂自然释放出来,充分发挥抗氧化作用。

回答3:

各有利弊,有的减少有的增加

水溶性的维生素及一些矿物质会有一部分流失,这是长时间加热会造成的不良方面;

另一方是通过加热烹调等手段,会产生和激发西红柿中的茄红素,茄红素是一种很好的抗癌营养元素能增强人体的抵抗能力,同时脂溶性的维生素也是不会减少的,所以西红柿怎么吃都有营养,要看你更需要或者更喜欢那种方式烹调、食用的西红柿了

回答4:

西红柿每百克西红柿含糖2.2克,维生素B10.03毫克,维生素B20.02毫克,尼克酸0.6毫克,维生素C11毫克,胡萝卜素0.31毫克,钙8毫克,磷37毫克,铁0.4毫克。。。。。

以上不用看。。。,你只要知道西红柿富含维生素 比如维生素C,在烹调时要经受高温,并在加热条件下与氧气、酸、碱和金属炊具接触,被氧化与破坏,造成不同程度的损失。

不同的维生素的损失方式是不一样的,一部分是随蒸汽蒸发掉了,一部分是在加热过程中发生了反应,消失掉了或者产生了其他的物质。

至于是水溶性维生素的损失,还是脂溶性维生素的损失这个对这个问题没必要。。嘿。。

回答5:

会少的!而且不好吃啊!

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