1. Dragon fruit

Dragon fruit is not a sweet fruit nor is it sour. Most of the time the dragon fruit you buy tastes slightly sweet, but in fact, the dragon fruit is slightly sweet. The sugar content of fruit is relatively high among fruits. Generally, it is the starch that combines its sweetness, so its taste is not that sweet.

2. Passion fruit

Everyone knows the taste of passion fruit, and it is rated as one of the most sour fruits. It is completely impossible to eat it directly. Anyone who eats passion fruit is a warrior, and its sour taste rivals that of lemon. However, the sugar content of passion fruit is not low. It is the same as dragon fruit, but the taste is completely different.

3. Grapefruit

As everyone knows when eating grapefruit, grapefruits are rarely very sweet. Basically, they are sour and sweet, but grapefruits contain sugar. The quantity is one of the higher ones. It is really a sour fruit covered in sugar. Few people know this.