Eat a piece of watermelon on a hot day, sweet and refreshing feeling throughout the body instantly, this experience does not mention how happy. But do you really understand the few questions that make watermelon tangled?

Eat watermelon easy to gain weight or help lose weight? The data show that the calorie per 100 grams of watermelon is 26 kcal, which is not high in the fruit, and lower than that of strawberries, peaches, apricots, grapes, pears, apples, etc. It should be noted that this does not mean that watermelon is more conducive to weight loss than apples, because the unit temperature of watermelon is low, but it is easy to eat too much if it is not careful. The calories of 1/4 watermelon (about 700 grams) are about the same as the calories of a small bowl of rice. If you eat 1/4 or even half a watermelon on the basis of normal eating every day, you will certainly gain weight. The new dietary guidelines recommend that adults consume 200-350 grams of fruit per day, and eating watermelon should follow this recommendation.

Can diabetics eat watermelon? The average sugar content of watermelon is 5.8%, which is less than apples, pears, cantaloupes, grapes and other fruits. However, the glycemic index of watermelon was not low at 72, which was significantly higher than other common fruits, such as apple and pear with a glycemic index of 36 and peach 28. This means that if diabetics eat too much watermelon in a short time, it is very easy to cause blood sugar to rise. Therefore, this group of people must limit the amount of time they eat watermelon, eat only 100 to 150 grams per day.

Why is the iced watermelon more sweet? The sugar in fructose is dominated by fructose, and the sweetness of fructose is closely related to temperature. The temperature below 40°C is lower, and the higher the fructose sweetness, the highest is 1.73 times that of sucrose. The specific reason is that fructose has two molecular configurations: α-type and β-type. The fructose has a sweetness of only 33% of β-fructose. At low temperatures, the balance between the two moves toward β-fructose, and thus the sweetness increases.

Is seedless watermelon because of the use of birth control pills? Seedless watermelons are hybrids. The principle is that the diploid plants that can normally produce seeds are transformed into triploid plants through hybridization, which impedes the normal development of seeds, and at the same time gives certain stimuli, so that the fruit itself produces enough to make it Developed plant hormones that promote fruit formation. Therefore, there is no relationship between seedless fruits and birth control pills.

Can the overnight watermelon be eaten? The watermelons that haven't been eaten really shouldn't be put for a long time. If they are properly preserved, the watermelons can be eaten overnight. The cut watermelon is usually placed for a maximum of 4 hours at room temperature, and it is safe to refrigerate in time. In addition, the watermelon is best covered with a clean plastic wrap, or the remaining watermelon is dug into a sealed crisper. It is best not to store the watermelon frozen in the refrigerator for more than 24 hours. When you take out the watermelon in the refrigerator, you can cut off about 1 cm thick on the surface. If there is odor, it should be thrown away.

Herbal Extract

Plant extracts refer to substances extracted or processed from plants (all or a part of plants) using appropriate solvents or methods, and can be used in the pharmaceutical industry, food industry, daily chemical industry and other industries.

There is a conceptual overlap between plant extracts and herbal extracts. The raw materials of plant extracts in my country are mainly derived from Chinese herbal medicines, so domestic plant extracts can also be called Chinese medicine extracts to some extent.

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