Saponins contained in yam mucus are one of the allergens. Contact dermatitis may be caused after human skin contact. The most common symptom is itchy hands, and in severe cases, symptoms such as redness, swelling and tingling may occur.
The time of allergic symptoms often varies from person to person. Some people react quickly and itch when cutting their hands, while others take a while to react. There are indeed many clinical cases of contact dermatitis caused by yam.
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Ways to avoid itchy fingers when cutting yam;
1, if you are allergic, wash your hands after peeling or cutting yam, and then bake it on the fire to relieve itching.
2. Before handling yam, put on rubber gloves, or put a fresh-keeping bag on your hand, and then peel or cut into pieces, so as to prevent contact with substances that may cause allergies, so you don't have to worry about itchy hands.
3. Soak your hands in diluted vinegar water for a while before processing yam.
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