Cause analysis of itchy fingers;

When scraping the skin, Hu Aishan will exude a milky juice, which is very irritating. You will feel itchy when you touch your hand, and washing it with water will not help. Experiments show that there is an itchy substance-saponin in yam juice. In addition, yam juice contains a lot of alkaloids, so the skin will itch when it comes into contact with these substances, and generally speaking, fresh yam is more likely to cause itchy skin.

Solution:

1. Saponin is a very itchy substance, which can only be destroyed by preheating, so we baked our hands with yam juice on the fire. Generally speaking, baking for 3 minutes is enough. After the saponin sold on your hands is destroyed, your hands will not itch, but you should pay attention to the safety of using fire to avoid scalding your hands.

2. Oxalate, as its name implies, is an alkaline substance, so how to eliminate the itching of fingers caused by oxalate? By the way, everyone knows the principle of acid-base neutralization. You can wash your hands first and then soak them in vinegar. Generally speaking, soaking for about 3 minutes will naturally eliminate the pain of itchy fingers.

In addition, some people have tried to put salt or rice washing water on their hands, which can also solve the problem of itchy skin caused by yam. If there is no vinegar at home, try this method.