Potatoes can produce chlorophyll after sprouting, while soybean sprouts turn green simply produce chlorophyll, and will not affect human health, so you can safely eat.

The reason why soybean sprouts become green:

The general soybean sprouts do not need to see the light when sprouting, so in the soybean sprouts into soybean sprouts has been yellow. Soybean sprouts turn green because they see light and photosynthesize, so they turn green, which is the normal reaction of plants to light, so it will not produce harmful substances.

If you can control the green color of your soybean sprouts at home, you can always put them in a place without light. If you like the green color, you can properly put in the light, not long, soybean sprouts will turn green.

But if you find that the bean sprouts have green and black phenomenon, it can no longer be used as food, especially if you find that there is a yellowish-green and sticky phenomenon on the bean sprouts, then do not eat again, it is aflatoxin, a strong carcinogenic effect, and toxicity is greater.