The dragon fruit is sweet and flat, the main nutrients are protein, dietary fiber, vitamin B2, vitamin B3, vitamin C, iron, phosphorus, calcium, magnesium, potassium and so on.

Rich in a large number of pulp fiber, rich in carotene, vitamin B1, B2, B3, B12, C, etc., the kernel (black sesame seeds) is rich in calcium, phosphorus, iron and other minerals and a variety of enzymes, albumin, fiber, and a high concentration of natural pigments anthocyanins (especially in the red flesh for the most), the flowers, stems and shoots have a variety of effects, such as its close relatives (aloe vera).

It is worth noting that the flesh of dragon fruit is almost free of fructose and sucrose, and the sugar is mainly glucose, a natural glucose that is easily absorbed and suitable for consumption after exercise.

Buying dragon fruit should be hand feeling, choose the heavier the better. This is because the higher density of dragon fruit represents juicier and fuller flesh.

The dragon fruit can be divided into three categories: white dragon fruit purple-red skin and white flesh, there are tiny black seeds distributed among them, the quality of fresh food in general; red dragon fruit red skin and red flesh, the quality of fresh food is better; yellow dragon fruit yellow skin and white flesh, the best quality of fresh food.

Basically the red flesh is more round, white flesh is more oval, red flesh is more delicious than white flesh! However, Hong Kong and other major cities have a small number of yellow-fleshed dragon fruits for sale, more delicious than red meat, more expensive. Occasionally, you can also see yellow skin and white flesh bird's nest dragon fruit, naturally expensive.

The above references? Baidu Encyclopedia - Dragon Fruit