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There was a recent hot search called "It's no use cutting off the surface of watermelon overnight and eating it again
.
" In fact, whether the watermelon is overnight is not the main problem, the key is whether there are pathogenic bacteria
Watermelon has high sugar content and sufficient water content.
It is indeed easy to breed bacteria, and there are various bacteria hidden in the refrigerator.
Therefore, do not leave the watermelon for too long after cutting it.
It is best to eat it as soon as possible
.
But if you use clean knives, cutting boards to cut the melon, and wrap it in clean plastic wrap and put it in the refrigerator, you can eat it even if it is left overnight
In addition to the problem of overnight melons, there are many other controversies about eating melons, which will be solved one by one today
.
Give the watermelon an injection to make it redder, sweeter and bigger?
In fact, the watermelon injection is not a fact, it is just a speculation
.
Watermelon is a naturally ripe fruit, and it is also storage-resistant.
There is also a saying that the big watermelon on the market is all made with swelling agent
.
Before buying watermelons, we all liked to pick bigger ones
Swelling agents are a type of plant growth regulators and belong to the category of pesticides
.
Commonly used swelling agents include forchlorfenuron, gibberellic acid, etc.
Seedless watermelons are all on contraceptives?
It is troublesome to spit out seeds when eating watermelon, and the seedless watermelon on the market has become a welfare for the people who eat melons
.
However, some people say that seedless watermelon contains a lot of hormones, which are treated with contraceptives to achieve seedless effect, and regular consumption is harmful to the human body
In fact, the production of seedless watermelon has nothing to do with the contraceptives used by humans
.
Seedless watermelon is obtained by hybridization
Can diabetics and pregnant women not eat watermelon?
Eating watermelon in summer is refreshing and comfortable, but "sugar friends" can only sigh: they all say that watermelon is high in sugar and has a high blood sugar index, and people with diabetes cannot eat it
.
is this real?
The glycemic index of watermelon is 72 points, which is indeed a high GI (glycemic index) food
.
However, to judge the effect of food on blood sugar, in addition to looking at the glycemic index, you also need to look at the glycemic load (GL)
.
It refers to the product of the content of carbohydrates in a food and its GI value
.
For example, the GI of watermelon and soda crackers is 72, but every 100 grams of soda crackers contains about 76 grams of carbohydrates, and its GL is about 55, while 100 grams of watermelon contains about 7 grams of carbohydrates, and its GL is about 5.
The GL difference between the two is as much as 10 times
.
In other words, compared to soda crackers, watermelon has little effect on blood sugar
.
Of course, the premise that watermelon has little effect on blood sugar is not to eat too much
.
If you do not exercise restraint, the blood sugar of diabetic patients will rise a lot
.
In general, people with diabetes are not absolutely forbidden to eat watermelon, two or two watermelon should not worry too much
.
Some people say that pregnant women can't eat watermelon.
The reason given is because watermelon has high sugar content, which will raise blood sugar and easily cause gestational diabetes
.
In fact, this is the same as "diabetics can't eat watermelon"
.
Wen/Ruan Guangfeng (Director of the Science and Technology Department of the Food and Nutrition Information Exchange Center)
