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Nutritional benefits and preparation of frozen and canned fish
Fish serves as a vital source of proteins, omega-3 fatty acids, and essential vitamins such as A, D, and the B complex, alongside minerals like calcium, magnesium, and zinc. Both frozen and canned varieties offer significant nutritional benefits.
To maintain texture and juiciness, frozen fish should be thawed gradually in the refrigerator overnight. Alternatively, unopened packages can be submerged in cold water.
Canned fish, including tuna, sardines, and mackerel, remains a high-quality source of nutrients. Fatty canned fish like sardines are particularly rich in EPA and DHA omega-3s and can provide calcium if the bones are consumed. While tuna is a popular option, consumers are advised to vary their intake to manage mercury accumulation, which is more common in larger predatory fish.