Frozen vegetables, canned vegetables, dehydrated vegetables are also delicious!

2022-05-23

During the anti-epidemic period at home, everyone's mood is always jumping between "worrying about not enough food" and "worrying that the food is going to go bad". In fact, in addition to fresh vegetables, there are some vegetable products that are also very good!
Studies have shown that after quick-frozen vegetables and fruits, the nutritional structure changes very little, and the content of minerals and cellulose is hardly affected. Another study compared the nutrient content of eight common frozen fruits and vegetables, including corn, carrots, cauliflower, spinach, peas, green beans, strawberries and blueberries, and their nutrient content when fresh. The comparison found that the content of vitamin B2, vitamin C, and vitamin E of these fruits and vegetables before and after quick freezing was not significantly different, and some vitamins even increased after quick freezing. There is a more obvious decline. NY/T 1406-2018 "Green Foods - Quick Frozen Vegetables" stipulates sensory requirements and pollutant limits for such products.
Dehydration treatment can inhibit the growth of microorganisms well, so that the product can be stored for a long time.
During processing, many water-soluble vitamins and bioactive components are lost, and the color of vegetables tends to darken. But the minerals, fiber, protein, starch, etc. in vegetables can be left behind. If vegetables are dehydrated by freezing and vacuuming, most of the nutrients in them are retained. And the color and flavor of vegetables are also better, which is a very good fiber supplement.
It should be noted that there are also dried vegetables for snacks on the market. Such products are often fried or seasoned. Be careful about the calorie and sodium intake when eating them. They cannot replace fresh vegetables~

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