Pitaya is red because it contains beet red pigment, which has strong antioxidant capacity, 2-3 times higher than vitamin C.

White-hearted pitaya also contains anthocyanin, an antioxidant, so overall, there is little difference in nutrition between the two. If you like sweetness, buy red dragon fruit. If you want something more affordable and low in calories, buy white pitaya.

Judging from the nutritional components, both white-hearted pitaya and red-hearted pitaya contain almost the same kinds of nutritional components, and moisture, vitamins, mineral elements, organic acids, dietary fiber and other nutritional components exist in them, and the difference is not obvious.

2. The benefits of kiwifruit

The content of vitamin C in kiwifruit with red heart is higher than that in kiwifruit with green heart, and the content of flavonoids is also the first in kiwifruit with three colors. At the same time, the price will be higher than that of green kiwifruit.

Extended data

1. Because of the "red" color of pitaya, many people think that pitaya is rich in procyanidins, which is helpful to anti-aging and enhance human immunity.

2. Pitaya does contain procyanidins, but this substance only exists in the epidermis of Pitaya; The pulp of red pitaya is red because it contains a certain amount of "betacyanin".

After kiwifruit was brought to New Zealand, it was renamed Kiwifruit, but the name was different. As for the reason, Chinese gooseberry, the original Chinese name of kiwifruit, was brought to New Zealand by a New Zealand female teacher in 1904, and was renamed as "kiwifruit" by a fruit merchant.

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