1. The oxalic acid contained in toon is absorbed by the body and the body's proteins will be fused with each other, producing precipitates, aggravating kidney disease, but also inducing some complications, so it is not suitable for people with kidney disease to eat.
2. Toon contains a lot of volatile aromatic substances such as toonin, although it can play the effect of appetizing, but if there is eye disease people eat a lot of will bring pressure to the body.
3. Yang deficiency people eat a certain amount of benefits, but if the Yin deficiency of hot and dry patients eat will aggravate the phenomenon of liver fire.
Eat toon notes
1, picked immediately eat: toon picked should be eaten while fresh, this time the toon contains the least nitrate, the most nutritious
2, eat fresh: generally eat toon more than toon is purchased from the market, in the selection of the time to choose fresh and leaves can not be off, and has not been immersed, if placed too long will cause the toon's If left for too long, it will cause the nitrate and nitrite of the toon to rise, which is harmful to the human body.
3, blanch food: when eating toon sprouts, you should blanch them in hot water first, which can remove the nitrate and nitrite of toon.
4, pickling time should be long: many people like to pickle the toon sprouts after eating, need to pickle at least a week or more, this will make the content of nitrite reduced, the harm to the human body will be reduced.
5, should not be kept for a long time: general toon or eat while fresh is better, this time the nutritional value is higher, can bring a lot of benefits to the body. If it is pickled toon can be sealed and placed in the refrigerator to save, but it is best not to exceed one month.