Text/Yangcheng Evening News all-media reporter Xue Renzheng correspondent Bai Tian
Photo/Visual China
Recently, the new crown pneumonia has appeared in many places in Guangzhou, and the sudden epidemic has disrupted Guangzhou In the lives of citizens, many citizens have begun to stock up on daily necessities such as food and medicine at home in case of emergency. It is reported that at present, the market supply of eight categories of daily necessities in Guangzhou is generally stable, and citizens should stock up rationally.
As the saying goes, “people take food as their heaven”, how should fruits, vegetables, staple foods and other foods be stocked? What is the appropriate intake of various types of food? Experts from the Clinical Nutrition Department of the Third Affiliated Hospital of Guangzhou Medical University explained this.
Food also has “echelons”
It is understood that the storage time of different types of fruits and vegetables is different. With proper planning, you can ensure that you have enough food even if you don’t go out for a long time.
First, let’s look at the vegetable family.
Stock at home, vegetables are very important
“In vegetables, leafy vegetables have the shortest storage time and are safe It is stored for 1-3 days, and it should be eaten first after purchase, which is the ‘first echelon’ of vegetables.” Zeng Qingshan introduced that common leafy vegetables are: celery, cabbage, greens, spinach, etc. It is worth mentioning that although Chinese cabbage is a leafy vegetable, it has a long storage time and can be classified as the second echelon.
“The main force of the ‘second echelon’ is melons and vegetables. The storage time of melons can be as long as 3-5 days, and it can be eaten after a while.” Zeng Qingshan said that common melons and vegetables There are cucumber, zucchini, zucchini, cucumber, loofah, eggplant, chayote, etc., you can stock up in moderation.
“Root vegetables have the longest preservation time and can be used as the ‘third echelon’.” Zeng Qingshan said that the preservation time of root vegetables such as lotus root, radish, yam, potato, and onion can easily reach more than a week , if necessary, it can be stored for a long time and finally eaten.
Secondly, the preservation of fruit is often different. It is understood that berry fruits represented by blueberries and strawberries, bananas, and some varieties of grapes have a short storage time, and most of them can be stored for 1-3 days, which can be regarded as the “first echelon” of fruits; grapefruit, orange Citrus, such as citrus fruits, and stone fruits, represented by apples, can be stored for a long time, and can be used as the “second echelon” of fruits, which can be eaten later.
Meat is also essential in our diet. “Seafood can be stored for 1-3 days and can be used as the ‘first echelon’ of meat. Poultry and livestock meat have a relatively long storage time, and can be stored in the refrigerator for 3-7 days, and can be eaten as the second echelon.” Zeng Qingshan introduced.
Finally, most of the staple foods and seasonings can be stored for a long time, and the amount of stock for one month can be based on the actual consumption of the family.
Food in the refrigerator also needs to be pretreated
If you want to store food for a long time, the correct storage method is essential.
The prepared food should be stored correctly
“Vegetables should be pre-processed first, and then stored in In the fresh-keeping layer of the refrigerator, and wrapped in plastic bags or paper, the moisture of vegetables can be better preserved.” Zeng Qingshan explained.
According to reports, repeated thawing and freezing of meat is also a kind of pollution. Therefore, the meat also needs to be pretreated before freezing. The meat is washed and cut into pieces according to the amount of food before freezing. When eating, it can be thawed in batches to maximize its quality.
In terms of the intake of various foods, Zeng Qingshan suggested that in order to ensure health, the amount of food prepared should be as much as possible to ensure that the average daily intake of vegetables is 400-500 grams, and the staple food and meat are 150-250 grams each. grams, about 150 grams of fruit, 25-30 grams of nuts.
“In addition to the necessary fruits and vegetables and staple food guarantees, if necessary, instant noodles, self-heating pots, canned food, compressed biscuits and other foods can also be used as secondary choices.” Zeng Qingshan explained that due to the various The quality of finished foods varies, so consumers are advised to stock up selectively.