Generally, fruits are sweet above 10, sweet at 15 and thin at 18. In fact, the sweetness depends on whether there is acid composition and content in it.

Sweetness is also called specific sweetness. Sweetness is a relative value, usually based on sucrose. Generally, the sweetness of 10% or 15% sucrose solution is 1.0 at 20℃.

List of sugar content of common fruits:

Sugar content 4%-7%: watermelon, strawberry, white melon, etc.

Sugar content 8%- 10%: pear, lemon, cherry, cantaloupe, grape, peach, pineapple, etc.

Sugar content 9%- 13%: apple, apricot, fig, orange, grapefruit, litchi, etc.

The sugar content is above 14%: persimmon, longan, banana, bayberry, pomegranate, etc.