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Is there a clever way to wash the lotus root white
Cassava starch in lotus root is most likely to have redox reaction with top iron. Fast. Formic acid has antioxidant effect. Therefore, vinegar is reasonable. But with the change of time, the lotus root was put outside and gradually darkened. Generally, it can not exceed 4 hours. I look forward to hearing your opinions and tips on how to whiten duck gizzards. Next, I may give you a detailed introduction to the whitening methods, and I also look forward to you having a detailed understanding.
Can blood pressure lotus root be eaten when it is blackened? In fact, there is no problem with common lotus root blackening, but if the lotus root is blackened and rotten immediately, you don't have to eat it. 1. The key to the blackening of lotus root is due to air oxidation. The substances caused by air oxidation have no toxic and side effects on the body. They will only change the tone of the surface of lotus root. They belong to the reflection of tone. The internal substances are non-toxic and can be taken again.
2. From the reason why the lotus root turns black, the blackened lotus root can be eaten, but it is because it is still eaten after a long time. There is no doubt that it is not fresh, so you don't have to eat it. 3. The blackening of lotus root is the cause of air oxidation of cassava starch. If it is moldy for a long time, you don't have to take it. If it is a short-term fading, it can be taken. A small amount of white rice vinegar can be added to whiten the skin.
How can the lotus root turn black? A component in the lotus root will reflect the gas, and the metal oxide is gray black. 1. There are tannic acid substances in lotus root, which are very easy to be oxidized and discolored. The longer the time, the heavier the discoloration. When tannic acid touches iron equipment, it will appear gray black and make lotus root black. Moreover, there are also some phenolic substances in lotus root, which will also make lotus root black when exposed to air and oxidized. 2. Lotus root contains a component, tannin, also known as tannin. After the lotus root is cut and peeled, it will turn dark brown when exposed to the air. The reason for fading is that the phenolic compounds in tannic acid cause quinone polymers to produce dark brown pigment, that is, pigment, due to chemical action.