Are frozen vegetables really good for your health?

Articles Jun 05, 2020 23:13

You don't have to be so worried. Frozen or canned fruits and vegetables are not always less nutritious than fresh fruits and vegetables.

During the social-distancing period caused by the COVID-19 pandemic, canned food sales increased worldwide. In the US, Stackline's website reported that sales of packaged foods increased to 200 - 300%, depending on the item.

According to the researchers, under natural conditions, vegetables begin to "degrade" as soon as they are harvested. Therefore, the freezing method will help slow down the process of degradation and maintain nutrients. Frozen fruits and vegetables are usually harvested when they are fully ripe, the time when they contain the most nutrients. In contrast, fresh vegetables sold in supermarkets are usually picked a few days early.

Should you eat frozen vegetables?

Are frozen vegetables really good for your health?

Technological advances have shortened the process of food packaging over the past few decades, ensuring nutrition is retained as much as possible. Peas are harvested, transported to the factory, washed, blanched and frozen in less than 3 hours. Meanwhile, most fresh vegetables from the harvest, sorting and shipping to retailers, then to consumers certainly take more time.

Vitamins such as C and B tend to disappear after vegetables are harvested. Recently, research by Diane Barrett, who was a food science and technology researcher at the University of California (USA), has found that some vegetables have a higher vitamin content when frozen due to This method helps to stop the oxidation process. According to Diane Barrett's test, vitamin C in broccoli or vitamin A in frozen tomatoes is higher than fresh food for many days.

In fact, frozen vegetables do not contain any chemicals, but there will be some inconveniences such as adding salt or sugar in some cases. Blanching ingredients in hot water for several minutes at high temperatures to inactivate unwanted enzymes or disinfect microorganisms also inadvertently reduces the amount of nutrition.

Are frozen vegetables really good for your health?

According to Fatima Hachem, senior nutritionist at the Food and Agriculture Organization of the United Nations, it doesn't matter whether you use fresh or frozen vegetables, it is essential that the diet vary in a variety of foods.

Experts rate fruits and vegetables whether fresh, frozen, canned or dried or fermented as nutritious. Some experts also note that buying locally sourced and organically grown foods helps ensure the most nutritious fruits and vegetables reach consumers.

However, buying fresh fruits and vegetables should also be taken into account because the date of harvest, because if you do not know the exact time of the harvest, it is not necessarily good to use frozen foods properly.

Ways to store fresh vegetables

Sort vegetables before putting them in the fridge

Are frozen vegetables really good for your health?

Each type of vegetable will have different storage and spoilage times. Therefore, you need to sort and put them into separate bags before putting in the refrigerator.

Appropriate storage temperature

Refrigerators at 1-4 degrees Celsius will preserve vegetables better because bacteria often thrive at temperatures above 4 degrees C. However, do not put the temperature too low or put vegetables in the freezer, This will cause the vegetable to freeze or perish more quickly.

Do not wash vegetables before refrigerating

A lot of moisture will make vegetables easily discolored, damaged, so you should only wash fruits and vegetables when processing, not before washing in the refrigerator. For fruits and vegetables such as beets, carrots and kohlrabi, cut off the tops before storing in the refrigerator.

Are frozen vegetables really good for your health?

Use plastic bags for storage

The suitable humidity for most fresh fruits and vegetables is about 80-95%, but the humidity of refrigerators is only about 65%. Therefore, you should wrap vegetables in plastic bags to prevent evaporation, especially those without outer shell.

However, with mushrooms, 90% of the ingredients are water, so when wrapped in plastic bags, they will slip out. On the other hand, mushrooms steam on other foods quite strongly when stored together, so the best way to preserve mushrooms or foods with lots of water is to wrap paper.

Watch next: 10 Foods You SHOULD Buy Frozen instead of Fresh

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