花生发芽还能吃吗？人工发芽的花生可以吃

植物图片 2019-04-25 10:00

很多食物一旦存放时间过长就会发芽，但有部分食物发芽后是不能吃的，如土豆，红薯等发芽后会产生毒素，危害人体健康是不能食用的。那么，我们平常吃的花生发芽后又能不能吃呢，下面我们一起来讨论这个话题。

花生发芽后还能吃吗

花生发芽后还能吃吗

答案是肯定的。前提是人工发芽的才能吃。这是为何呢？只是由于花生发芽和发霉所需要的环境条件是一样的。自然状态下发芽的花生，很可能会伴随另一种霉菌的产生，黄曲霉本身并没有毒，有毒的是黄曲霉的代谢产物——黄曲霉素(一种强烈的致癌物质！)

因此，很多发了芽的花生也会出现发霉现象，这是由于长芽的花生外皮被破坏后，很容易滋生黄曲霉毒素，而发霉了的花生黄曲霉素含量会很高，所以，自然发芽的花生通常不建议食用，如果想吃花生芽可以进行人工发芽这样比较安全。

发芽花生的营养价值

1、抑制癌细胞

发芽的花生含有一种叫做白藜芦醇得多酚类化合物，是一种天然的抗癌物质。在肿瘤的化学研究中，明显降低血小板聚集，世界上已有十多个国家和地域在开发白藜芦醇的原料和制剂。

2、降脂、护心、通血管

台湾省嘉义大学研究发现，白藜芦醇具有降血脂、防治心血管疾病、延缓衰老等作用，保健价值极高。 　　

3、美白祛斑、护肤

发芽后的花生会发生两种化学变化：油脂被转化为热量，脂肪含量大大降低，害怕肥胖的人也可以放心食用。蛋白质水解为氨基酸，有助于人体吸收。每天生吃发芽的花生，很快就能面色红润。

发芽花生的营养价值

 

花生怎样人工发芽？

人工发芽的花生可以确保不会产生黄曲霉，可以放心食用。而且发芽的花生比不发芽的营养成分有所增加。下面教大家如何发花生芽：

【操作方法】

1、挑选花生的时候，要选白皮的，颗粒饱满的，没有凹凸畸形的。 　　

2、将选好的花生用清水浸泡半天至一天，使其充分吸水膨胀，捞出用清水冲洗 2～3 遍。 　　

3、摆在消毒后的苗盘内，底部垫好可以透水的纱布保温、保湿，然后摆在阴黑的地方，每天喷水 4～5 次，使芽体全部淋湿，多余的水从盘底流出，盘内不能积水，否则会烂芽。 　　

4、花生芽生长期间始终保持黑暗，通常在室温条件下，8 天左右可产一茬芽苗。

哪些食物发芽后不能吃？

1、土豆

土豆是最容易发芽的蔬菜，如果土豆皮发绿或长了芽，这时不用犹豫，直接扔掉。

由于土豆一旦发芽就会产生一种叫做龙葵素的毒素，这种毒素能保护土豆免受霉菌、虫子的侵害，但比较耐高温，烹煮不能讲其彻底破坏，如果人摄入过多龙葵素，会出现口舌发麻、恶心、呕吐、腹泻等中毒症状。

专家建议：

煮土豆时应把土豆去皮，以减少减少摄入龙葵素（这里指皮的含量较高）。其次，如果土豆变绿或发芽的面积不大，要狠狠地削掉这一部分，只留下好的部分。另外，烹调时可以加点醋以溶解和破坏这种毒素。建议每次买不要多买，也不要长时间存放。如果真的需要存放，也应该应贮存在低温、无直射阳光照射的地方。

土豆发芽

2、红薯

红薯发芽的同时表皮呈褐色或黑色斑点，这是由于受黑斑病菌污染所致，其排出的毒素，虽经水煮火烤，其生物活性也不会被破坏。食用后不仅极易引起急性中毒，而且还会损害肝脏功能。所以不可食用。

红薯发芽

专题： 花生
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