Zongzi is every year Dragon Boat Festival are more common a kind of food, but also our country is more characteristic of a traditional food, its practice is more, rich in flavor, eat up soft and sweet, taste is very good, by people like. Zongzi steamed after the zongzi leaves will generally become yellow, if the zongzi leaves are still green, this may be the return of green zongzi leaves, containing harmful substances, is not recommended for consumption.

One, the dumplings steamed dumplings leaves or green problem

This is generally not normal, may be added some chemical ingredients.

Fresh leaves in the production process must be steamed at high temperatures, the color of the leaves will be dark green, gray, black or yellowish, never green leaves. In order to maintain the freshness and beauty of the leaves, some businesses use chemical dyeing methods, adding industrial copper sulfate and industrial copper chloride when soaking the leaves of the dumplings, so that the loss of the original color of the leaves become green, so that the surface of the bright green. However, excessive or long-term intake of copper in the human body will cause a large amount of copper to accumulate in the liver, resulting in copper poisoning. This symptom is not easy to detect, once the onset of the disease may cause cancer, and even life-threatening.

There are two main reasons for the preservation of rice dumplings, one is to add preservatives (preservatives); in addition, industrial copper sulfate and industrial copper chloride were added to the rice dumplings leaves soaked. This dumplings are likely to be "green" dumplings. This kind of leaves wrapped up the dumplings harmful to the human body. It is best not to eat.

Two, dumplings generally steamed how long

an hour or so.

Raw dumplings are difficult to mature, so the steaming time is longer. In order to better taste the flavor of the dumplings, it is best to cook the dumplings thoroughly in the steamer for about an hour. And for steamed dumplings, it's best to cover the pot and stew them for about half an hour before eating.

If you have a pressure cooker at home, it takes about an hour to cook the dumplings. However, if it's just a regular pot, the cooking time is longer, taking about 5-8 hours. The main ingredient of raw dumplings is glutinous rice, which is not easy to mature. Because its ingredients are also hard to be digested by the body, there is no need to be afraid of time when cooking rice dumplings. If you run into trouble with half-ripe rice, you'll eat them. However, it is hard to eat and bad for your stomach. As far as ordinary pots are concerned, 5 hours is the most reasonable time.

Three, buy dumplings to pay attention to what

1, through the formal and reliable channels to buy and keep the appropriate shopping vouchers, check the packaging on the relevant signs are complete; do not buy no factory name, address, date of production and shelf life of the dumplings, do not buy more than the shelf life of the dumplings.

2, vacuum-packed, frozen dumplings, after purchase, according to the labeling of the way to store, according to the labeling of the edible method of processing and consumption. Raw dumplings are stored separately, and open dumplings should not be stored for more than 2 hours at room temperature.

3, if you find the purchase of rice dumplings and production and operation of rice dumplings in the unit there are food safety issues, you can call 12345 complaints and reporting phone.