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Posted by Nutrition pro on May 25, 2020
Frozen vegetables are often considered an affordable and convenient alternative to fresh vegetables.
They are generally not only cheaper and easier to prepare, but also have a longer shelf life and can be purchased year-round.
However, you may not be sure if frozen vegetables can be a healthy addition to a balanced diet .
This article examines whether frozen vegetables are healthy.
Because vegetables are usually frozen immediately after harvest, they generally retain many of their nutrients.
In fact, one study showed that bleaching and freezing vegetables for up to 2 months did not significantly alter their phytochemical content .
However, studies show that freezing can affect the nutritional value of some specific vegetables and nutrients differently.
For example, one study found that frozen broccoli was higher in riboflavin than fresh broccoli, while frozen peas were lower in this vitamin .
Additionally, while frozen peas, carrots, and spinach were lower in beta-carotene, no significant difference was observed between green beans and frozen versus fresh spinach .
Another study noted that the kale frozen and uncooked contained a higher amount of antioxidants than fresh kale, suggesting that freezing may even increase the antioxidant content of some vegetables .
On the other hand, bleaching can also lead to a significant decrease in heat-sensitive nutrients, including vitamin C and thiamin.
According to one review, the vitamin C content of some vegetables may decrease by 10-80% during the blanching and freezing process, with an average nutrient loss of around 50% .
Keep in mind that other cooking methods, such as boiling, sautéing, and microwaving, can also cause nutrient losses, even in fresh or canned vegetables .
When selecting frozen vegetables, it is always important to check Carefully read the ingredient label .
Although most frozen vegetables are free of additives and preservatives, some may contain added sugar or salt.
Some frozen vegetables can also be paired with sauces or seasoning blends, which may add flavor but may increase the amount of sodium, fat, or calories in the final product.
If you are trying to cut calories or lose weight , you may want to avoid frozen vegetables that contain high-calorie toppings like garlic butter, cheese sauce, or gravy.
Additionally, those with high blood pressure may also want to carefully check the sodium content of frozen vegetables and choose products with no added salt.
Studies show that decreasing sodium intake can help lower blood pressure levels, especially in people with high blood pressure .
Frozen vegetables can often be prepared with minimal effort, making them a quick and convenient alternative to fresh vegetables.
They are also generally less expensive than fresh vegetables and tend to have a longer shelf life , helping you save money.
Plus, they're available year-round, meaning you can enjoy your favorite veggies whether they're in season or not.
Adding frozen vegetables to your diet is an easy way to boost your intake of important nutrients, including fiber, antioxidants, vitamins, and minerals .
Additionally, studies show that increasing your vegetable intake may be associated with a lower risk of conditions like heart disease, cancer, type 2 diabetes, and more.
Although there may be slight variations between different vegetables and specific nutrients, frozen vegetables generally retain most of their nutritional value.
The how you cook frozen vegetables can also affect their nutrient content, as well as their sugar, salt or prepared sauces and seasonings.
However, for the most part, frozen vegetables can be a nutritious and convenient addition to a balanced diet.
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