Relatively speaking, the sugar content of watermelon is not high, but the sugar index of watermelon is high. The sweetness of the taste does not correspond to the sugar content. People often think that watermelon is especially sweet and has a high sugar content. In fact, the sugar content of watermelon is generally 5% ~ 12%.

Although it tastes sweet, the sugar content in fruit is relatively low. Watermelon tastes especially sweet because it contains a lot of fructose, which is the sweetest of natural monosaccharides. Watermelon has strong satiety, high water content and low calories.

brief introduction

Watermelon is a summer fruit with sweet flesh, which can relieve summer heat. Seeds contain oil and can be used as entertainment food; Watermelon likes warm and dry climate and is not cold-resistant. The optimum temperature for growth and development is 24-30 degrees.

The optimum temperature for the growth and development of watermelon roots is 30-32 degrees, and the lowest temperature for the occurrence of root hairs is 14 degrees. Watermelon needs a large temperature difference between day and night in the process of growth and development, and a large temperature difference between day and night can cultivate high-quality watermelon.