The reason why mung bean sprouts sprouted by yourself will be bitter is due to incomplete shading.
Cultivation of mung beans is not in a dark environment, that is, see the light, the bean sprouts become green, it is bitter, the cultivation process as much as possible in a dark situation, experienced will understand.
The way to remove the bitter flavor of bean sprouts is that you can blanch them in boiling water before frying them, and then drain them for frying. The bean sprouts are red and bitter because they see light and photosynthesis to generate chlorophyll, not toxic, so you can rest assured to eat.
Expanded Information:
1, the appropriate temperature for mung bean sprouts is about 25°. If the temperature is high, the beans will rot, but if the temperature is high, the bean sprouts will grow slowly.
2, three to four times a day, watering, watering, drying is not sufficient, to ensure humidity, but also cooling effect, because the bean sprouts will release heat when germinating.
3, bean sprouts should be placed in the dark, see light bean sprouts will turn red and green, will also affect the flavor.
4, watering three times a day in the morning and evening, not allowed to light. Beans with markers can be sent to 3-5 time too long will affect its taste, and 3 cm mung bean sprouts have the best nutritional value.