From the point of view of traditional Chinese medicine, grapes are flat, sweet and sour, non-toxic, that is to say, grapes are flat, containing neither hot air nor cold air, suitable for anyone to eat, and can be eaten in large quantities without getting angry.

Grapes contain a lot of sugar, which is not suitable for eating more. Especially, most of the sugar in grapes belongs to easily absorbed glucose, and the glycemic index is extremely high. Eating too much can easily lead to obesity. Therefore, it is recommended to eat no more than 15 grapes at a time, and it is best to eat 5~ 10 grapes for taste.

Grapes contain a lot of sugar and plant acids, which will absorb a lot of water in the mouth when eaten in large quantities, which will cause serious irritation and damage to the oral mucosa. If it is contaminated by fungi in the mouth again, there may be oral ulcers. Therefore, don't eat a lot of grapes, and rinse your mouth as soon as possible after eating.

If grapes are eaten too much, there will be constipation, and the high heat content of grapes is not suitable for people with yin deficiency and internal heat and constipation.

Extended data:

Grape (scientific name: Vitis vinifera L.) is a woody vine of Vitaceae, with cylindrical branchlets, longitudinal ribs, hairless or sparsely pilose leaves, dense or scattered panicles, well-branched base, spherical or oval fruit, flowering in April-May and fruiting in August-September.

References:

Grape (Vitis) _ Baidu Encyclopedia