Frozen, fresh or canned food: What's more nutritious? - Deepstash

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BBC

Frozen, fresh or canned food: What's more nutritious?

Frozen, fresh or canned food: What's more nutritious?

bbc.com

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Fresh food nutrients

Food is most nutritious at the point of harvest. After that, fresh produce starts degrading.

Once picked, that fruit or veg is using its own nutrients to keep its cells alive. Vitamin C found in produce is also sensitive to oxygen and light.

Refrigerating produce

Refrigeration slows down the process of nutrition degradation. The nutritional loss varies from product to product.

Spinach loses 100% of its vitamin C content in seven days at room temperature and 75% if refrigerated. Carrots lose 27% of their vitamin C content when stored at room te...

Frozen foods nutrients

As soon as produce is harvested, it's a nutritional race against time.

Frozen produce has one problem: before it's frozen, it's blanched - heating food up for a few minutes at high temperatures to inactivate enzymes that degrade texture and color. Blanching also reduces nutrie...

Canned foods

Tinned food uses a more intense heat treatment that decreases the nutrients more than frozen food. But nutrients in different kinds of produce degrade at different rates.

  • Foods with mostly water-soluble nutrients, including Vitamin C and B, are highly sensitive to heat and are bett...

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