土豆發(fā)芽到什么程度不能吃

To what extent the potatoes cannot be eaten

 

首先，土豆發(fā)芽，含有毒素了，是致癌物，所以不能吃。其次，土豆發(fā)芽時(shí)，在出芽的部位產(chǎn)生許多酶，酶是生物催化劑，能使貯藏的物質(zhì)分解，轉(zhuǎn)變?yōu)楣┭可L(zhǎng)的物質(zhì)。在這個(gè)物質(zhì)轉(zhuǎn)化過程中，會(huì)產(chǎn)生一種叫做龍葵堿的毒素，它是一種生物堿，有溶血和刺激黏膜的作用。最后，人如果吃了發(fā)芽的土豆，就可能會(huì)出現(xiàn)惡心、嘔吐、頭暈和腹瀉等中毒癥狀，嚴(yán)重時(shí)還會(huì)造成心臟和呼吸器官的麻痹，使人死亡。

First of all, potatoes germinate and contain toxins, which are carcinogens, so they should not be eaten. Secondly, when potatoes germinate, many enzymes are produced at the budding site. Enzymes are biocatalysts that can decompose stored materials and turn them into materials for bud growth. In the process of this material transformation, a toxin called solanine is produced, which is an alkaloid that has hemolysis and mucosal stimulation. Finally, if a person eats sprouted potatoes, they may experience poisoning symptoms such as nausea, vomiting, dizziness, and diarrhea. In severe cases, they may also cause paralysis of the heart and respiratory organs and cause death.

如果土豆已發(fā)芽或變色，食用時(shí)一定要把皮去干凈，將芽眼周圍挖掉，然后把切好的土豆放到水里浸泡2個(gè)小時(shí)以上再加工，炒熟煮透。發(fā)芽面積大、芽眼多的土豆最好丟棄不用。另外龍葵堿遇酸易分解，所以烹調(diào)時(shí)可加些食醋，加速對(duì)龍葵堿的破壞。

If the potatoes have sprouted or changed color, be sure to remove the skin when eating, dig out around the sprout eyes, and then soak the cut potatoes in water for more than 2 hours before processing, fry and cook thoroughly. Potatoes with a large sprouting area and many sprouting eyes are best discarded. In addition, solanine is easy to decompose in case of acid, so add some vinegar when cooking to accelerate the damage to solanine.

 

Source: http://jingyan.39.net/