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    Sardines nutrition facts

    Sardines are small, pelagic, cold water shoaling fish living near coastal areas of Mediterranean and eastern North Atlantic. Pilchards are actually the same fish, just larger and older adults. Sardines take their name from the Italian island of Sardinia where they were one abundant.

    In biology, they belong to the family Clupeidae, which include other coastal pelagic such as herring and sprat. Anchovies on the other hand belong to the same Clupeiformes order, but in Engraulidae family.

    Scientific name: Sardina pilchardus. They also have known by many local names as European pilchard, Sardele, Sardina, etc.

    Sardines
    Sardines.

    Description:

    Sardines are small pelagic fish which feed on plant diatoms and small crustaceans (zooplanktons). The body is sub-cylindrical, belly rather rounded with snouts that overhang a large, lower opening mouth. Their belly is silver gray with distinctive dark spots on their side above the lateral line and dorsal surface has bluish-green. They typically grow up to 20-25 cm in length and live up to 10-12 years.

    Life cycle:

    Sardines are indeterminate (fecundity is not fixed before the beginning of the spawning period), and batch spawners (eggs are released in batches over a period throughout the year depending on the region). They prefer cold waters and always spawn in continental shelf shallow waters.

    Habitat:

    Sardines are oily fish live near the surface of the sea, congregated in shoals. Their abundance, biomass and distribution show variations in response to environmental changes. They feed primarily on plant planktons, plankton crustaceans and fish larvae.

    Health Benefits of Sardines

    1. Sardines are marine oil fish. hold 185 calories per 100 g. Its lean meat is rich source of essential nutrients, proteins, micro-minerals and long chain omega-3 fatty acids.

    2. Sardine muscles compose good quality protein. 100 g fresh fish holds 20.86 g (37% of DRI) of easily digestible protein that is complete in all essential amino acids.

    3. Sardine muscles and tissues comprise more than 30% fat; particularly long chain omega-3s like eicosapentaenoicacid (EPA) and docosahexaenoic acid (DHA) present abundantly in them. Research studies suggest that these fatty acids, particularly DHA, play a major function as building block of our neural system, and therefore particularly important for optimal brain and neurodevelopment in infants and children

    4. Research studies suggest that these fatty acids, particularly DHA, play an important role in the development of neural system, especially in infants and children.

    5. In adults, regular consumption of two servings per week of oily fish has been found to have beneficial effect on heart. In the "GISSI Prevention Trial, heart attack survivors who took a 1-gram capsule of omega-3 fats every day for three years were less likely to have a repeat heart attack, stroke, or die of sudden death than those who took a placebo".

    6. Being an oily fish, sardines are good source of vitamin A, E and D. 100 g of flesh contains 103 IU of vitamin A. Together with omega 3's, vitamin-A is essential for healthy mucosa and skin.

    7. 100 g hold 192 IU of vitamin-D; about 48% of daily recommended intake. Vitamin D plays an important role in the calcium metabolism and offers protection from cancers.

    8. Sardine is low in mercury content. Food and Drug Administration (FDA) recommend that pregnant women eat at least 8 ounces and up to 12 ounces (340 grams) of a variety of seafood lower in mercury a week.

    9. Moreover, they are quintessential source of bone minerals including calcium, phosphorus, and magnesium. In this marine fish, the other trace elements commonly found are selenium and iodine.


    sardines nutrition facts

    Buying

    Sardines perish quickly if not processed and stored adequately. Just like anchovies and other small pelagic fish, fresh sardines often sold from coastal fishermen who sell them soon after catch from the ocean.

    Sardines are at their best during spring and early summer. Small sardines have the best flavor, but large fish are better for stuffing. Allow 3-5 sardines per serving.

    In the supermarkets, they sold in jars or cans, in the brine, or tomato/mustard sauce. Processed sardines as spread (pate), cream, sauce, etc can be readily available in these markets.

    At home, store them in the freezer section for extended use.


    Dried Sardines

    For drying, juvenile sardines are boiled and sun-dried. They are a special delicacy in the Japanese (niboshi) and Korean kitchens. For storage, place them in airtight packs and place in cool, dry place for few weeks. To prepare at home, place fish in baskets and boil in salt water for about 15-20 minutes, until the fish float. Drain and dry them thoroughly under the sun for 2-3 days to remove moisture before storing.

    In the west, salt cured sardines sold in cans. Once opened, keep the unutilized sardines in the freezer section of home refrigerator.

    Preparation

    Juvenile sardines (7 cm long) need little preparation. Scale and gut pilchards (and big sardines) before cooking. Trim the tail end. Cut off the head almost through the spine and twist; gently pull the innards away from the head.

    Sardines contain a large number of small bones, which are best removed before cooking. Press down along the backbone. Now again turn over and gently pull the backbone away from the flesh. Bick out any left-over small bones.

    Wash in cold water and pat with kitchen paper.

    Here are some serving ideas:

    Grilled Sardine with potatoes and other vegetables
    Grilled Sardine with potatoes and other vegetables. Photo credit: Chris
    • Just like anchovies, sardines are much sought after traditional seafood in the Portugal, Greece and Italy.

    • Being an oily fish, sardines make ideal for grilling, broiling and barbequing.

    • Whole sardines are superb grilled (broiled) or barbequed, which crisps the skin. They can be coated in breadcrumbs, fried and served with tomato sauce, made into fritters or stuffed with olives/capers.

    • In Western Japan, dried infant sardines are known as niboshi or iriko. Niboshi dashi is one of popular dashi used as the base stock when making miso soup.

    • Sardines are popular by name as mathi meen in the southern Indian state of Kerala. Mathi meen curry is a popular dish served over rice.


    Safety profile

    Just like anchovies, sardines too are small, pelagic oily fish. Often polluted coastal water may contain traces of heavy metals and dioxins (Polychlorinated dibenzodioxins (PCDDs)).

    Sardines contain small amounts of methyl-mercury- 0.013 PPM. WHO tolerable upper limit of mercury in food is 0.5 mg/kg of fish. on comparison tuna holds 0.144 PPM; 9 times more. Accordingly, the U.S FDA final guidelines on how much fish expectant as well as breastfeeding mothers can eat, along with lists of specific options that are safe or should be avoided, places sardines and pilchards in the best choice category. By this yardstick, they can consume eat 2-3 servings a week. (Medical disclaimer).



    <<-Also read Anchovies nutrition facts and health benefits.

    <<-read Salmon fish nutrition facts and health benefits.

    <<-Back to Seafood from Sardines nutrition facts and health benefits.

    Further reading (Links opens in new window):

    1. FAO-Sardina pilchardus..

    2. Mercury Levels in Commercial Fish and Shellfish.

    3. pregnancy-and-fish.

    4. USDA National Nutrient database.

    5. Omega-3 Fatty Acids: An Essential Contribution.




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