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Sardines as food

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Sardines are small, oily fish that serve as a vital resource for humans and marine life. They are highly nutritious and are eaten by larger fish, seabirds, and marine mammals. Humans consume them in many forms, such as canned, pickled, smoked, or fresh. The term "sardine" appeared in English during the early 15th century. It likely comes from the Mediterranean island of Sardinia, where these fish were once very abundant. Today, the names "sardine" and "pilchard" are used differently depending on the region. For instance, the United Kingdom's Sea Fish Industry Authority classifies sardines as young pilchards.

Mamakari by Kossy@FINEDAYS in Akabane, Tokyo
Mamakari by Kossy@FINEDAYS in Akabane, Tokyo

There is no single definition for what makes a sardine. The FAO/WHO Codex standard for canned sardines includes 12 different species from the Order of Clupeiformes. These species include the Atlantic herring (Clupea harengus) and the brisling sardine (Sprattus sprattus). The FishBase database notes that at least six species are called "pilchard." More than a dozen species are called "sardine." Many other species use these names with different adjectives. Because they are low in the food chain, sardines contain very little mercury. This makes them safer to eat than many larger fish species.

Preparing sardines for consumption involves several precise steps. At a cannery, workers first wash the fish and remove their heads. Some larger varieties are also eviscerated, which means their internal organs are removed. To ensure quality, live fish may be held in tanks to empty their digestive systems. The fish are then cooked by steaming or deep-frying and are dried. Finally, they are packed into small cans. They might be packed in olive, sunflower, or soybean oil. Other options include water, tomato sauce, chili sauce, or mustard sauce.

Sardines provide an impressive amount of nutrition in small servings. A single daily serving can provide 13% of the Recommended Daily Allowance (RDA) of vitamin B2. They provide about 25% of the RDA for niacin and 150% of the RDA for vitamin B12. These B vitamins help the nervous system and support energy metabolism. Sardines are also high in phosphorus, calcium, potassium, iron, and selenium. They are a natural source of marine omega-3 fatty acids. These acids may reduce cardiovascular disease and boost brain function. They may even help lower blood sugar levels slightly.

Different cultures have developed unique traditions around these fish. In Croatia, fishing for sardines began thousands of years ago. In the Canary Islands, tourists can eat sardines grilled over volcanic vents. In Greece, sardines are a staple diet item, especially in July and August. They are often served as "meze," which are small treats, in seaside restaurants. In Italy, Sicily has a famous dish called pasta con le sarde. This pasta uses sardines, fennel seed, saffron, raisins, and almonds. In England, Cornwall is famous for a traditional dish called stargazy pie.

Baked stargazy pie
Baked stargazy pie

Global commerce relies heavily on sardine populations. Morocco is the world's largest exporter of canned sardines. It also supplies the majority of sardines to the European market. In Morocco, sardines make up 62% of the fish catch. They also account for 91% of the raw material used in domestic canning. In Peru, the catch of the Peruvian sardine has varied due to environmental factors. In 2000, the catch was high, but it reached a low of 5.35 million metric tons in 2009. Most of these fish are used to create fish meal and fish oil.

Beyond food, sardines have many industrial and social uses. Sardine oil is used to manufacture paint, varnish, and linoleum. Fish meal is a common ingredient in animal feed. The way sardines are packed tightly in cans created a popular metaphor. People use the phrase "packed like sardines" to describe crowded places. This phrase even inspired a children's game. In the game, players pack into a shared space until only one person is left out. This shows how a simple biological fact can influence language and play.

Mamakari by Kossy@FINEDAYS in Akabane, Tokyo
Mamakari by Kossy@FINEDAYS in Akabane, Tokyo
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File:Mamakari by Kossy@FINEDAYS in Akabane, Tokyo.jpg
Mamakari by Kossy@FINEDAYS in Akabane, Tokyo.jpg
File:Baked stargazy pie.jpg
Baked stargazy pie.jpg
File:Pick of the fleet, Sardine Carriers, Eastport, Me., these boats cost from ten to twenty thousand dollars each (74647).jpg
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