Health benefits of fish


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Health benefits of fish

  1. 1. Health Benefits of FISH By D.Srinivas., M.Sc, LL.B., (Ph.d). Fisheries Development Officer, Department of Fisheries, Government of Andhra Pradesh
  2. 2. Can be studied under • • • • • • Introduction Nutritional Facts Omega 3- Fatty Acids Medical Benefits of Fish Fish by products Fish - Slogans
  3. 3. Introduction • Fish is a nutritious food, being rich in protein, vitamins and minerals which are essential to maintain good health. • Fish is a low-fat high quality protein. • Nutritionally fish can be categorised into three types of fish: • • • oily fish, white fish and shellfish.   Examples of oily fish- Salmon, Mackerel, Fresh tuna, Trout, Sardines, Herring etc Examples of white fish – Cod, Pomfret, Rohu, Tilapia, Plaice, Whiting, Haddock, Sole, Hake Examples of shellfish – Crabs, mussels, Oysters, Lobster, Prawns
  4. 4. Nutritional Facts • • • • • • • Fish contains Vitamins - A, D, C, B2 (riboflavin). B6, B12 Fish rich in calcium and phosphorus Fish is a source of minerals, such as iron, zinc, iodine, magnesium, sodium and potassium. Crab, lobster and mussels -shellfish group contain selenium For 100g meat the calories = 70 – 90. Fishes like Salmon contains Astaxanthin,  which is a powerful anti-inflammatory, carotenoid-class antioxidant Some fishes contain -Selinium  which is essential mineral needed to make enzymes that play key roles in the body's internal antioxidant network.
  5. 5. Omega 3 Fatty acids • Omega 3 fatty acids are polyunsaturated fatty • • acids. Polyunsaturated fatty acids are liquid at room temperature and remain liquid when frozen or refrigerated The three most nutritionally important omega-3 fatty acids are alpha-linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
  6. 6. Omega 3 Fatty acids • Omega-3 fatty acids are a type of unsaturated fatty acid present in Fishes like Salmon, Sardines, Pilchards, Kipper, Eel, Whitebait, Mackerel, Herring etc • Essential fatty acids , or EFAs , are fatty acids that humans and other animals must ingest because the body requires them for good health but cannot synthesize them. The term "essential fatty acid" refers to fatty acids required for biological processes but does not include the fats that only act as fuel • Only two fatty acids are known to be essential for humans: alpha linolenic acid  (an omega-3 fatty acid) and linoleic acid (an omega-6 fatty acid). •  Some other fatty acids are sometimes classified as "conditionally essential," meaning that they can become essential under some developmental or disease conditions; examples include docosahexaenoic acid (an omega-3 fatty acid) and gamma-linolenic acid (an omega-6 fatty acid).
  7. 7. Omega 3 Fatty acids • Omega-3 fatty acids may decrease triglycerides, lower • • • • • • blood pressure, Can reduce blood clotting, Boosts immunity Can contribute to the health of brain tissue and the retina (the back of the eye). Reduces the risk of heart disease and stroke by reducing blood clots and inflammation, improving blood vessel elasticity, lowering blood pressure, lowering blood fats and boosting ‘good’ cholesterol. Can lower risk of developing dementia, including Alzheimer's disease. It is thought to reduce inflammation throughout the body.
  8. 8. Medical benefits of fish • Add fish for a Healthy Diet • Fish is a low-fat high quality protein. • Doctors  recommends eating fish at least two times per week as part of a healthy diet. • Fish is packed with protein, vitamins, and nutrients that can lower blood pressure and help reduce the risk of a heart attack or stroke. • Fish such as sardines, pilchards, salmon and mackerel have the highest concentrations of omega-3 fatty acids hey are also rich in essential omega-3 fatty acids which are essential for healthy brain, eye and nerve development in babies and children. They are also beneficial to your heart health and there is emerging evidence to suggest that eating fish reduces the risk of cancer and arthritis.
  9. 9. Fish - Slogans • • • • • • • • • Fish for Health – Fish for Wealth Fish for Protein – Fish for Progress Fish for Nutrition – Fishing for avocation Fish for good food– Fishing for livelihood Fish for good Heart – Fishing for good mart Fish provides Strength – Fish relieves tense Fest or Feast – Fish is first Salmon for Sunday – Mackerel for Monday Fish for ball – Fish for all