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Health Benefits Of Edible Seaweeds

Oceans comprehend to a greater extent than or less 71 percentage of the earth’s surface (362 i thou one thousand foursquare km) in addition to comprise 95 percentage of the habitat infinite on the planet. The sea is the richest reservoir of both living in addition to non-living resources. The marine surround comprises to a greater extent than or less one-half of the full global biodiversity. Seaweeds are i of the constituents of natural resources globally used for human welfare. Seaweed is the mutual term used to refer large marine algae growing inward the shallow waters along the sea shores. There are well-nigh 8000 species of seaweeds along the world’s coastal lines. In full general seaweeds inhabit well-nigh 2% of the sea floor. Ecologically seaweed concern human relationship for nutrient in addition to shelter for marine life.
Seaweeds are used every bit human food, livestock feed in addition to fertilizer for province crops inward many countries. More than 160 species of sea vegetables usually known every bit seaweeds are consumed throughout the world.  Seaweeds tin live consumed straight every bit raw, dried or cooked. Seaweeds are eaten for their nutrient value, flavours, colours in addition to textures in addition to are typically combined with other types of food. Edible seaweeds include Porphyra (Nori), Rodymenia (Dulse), Laminaria(Kombu), undaria (Wakame) in addition to Ulva (sea lettuce). Edible seaweeds receive got been shown to live high inward essential pigments, vitamins, minerals, describe elements, proteins in addition to phytochemicals every bit good every bit healthy dietary fibers in addition to fats.


Worldwide consumption of seaweeds

Seaweed is consumed inward many traditional European societies, inward Republic of Iceland in addition to western Norway, the Atlantic coast of France, northern in addition to western Ireland, Wales in addition to some coastal parts of South West England every bit good every bit Nova Scotia in addition to Newfoundland. Traditionally, sea vegetables receive got been to a greater extent than usually eaten inward Asian cultures. In many countries inward Asia notably inward China, Japan, Korea in addition to Indonesia, seaweed products are of import dietary resources, which constitute a substantial constituent of the full nutrient intake (staple food). In  Philippines, Burma in addition to Vietnam several species of seaweeds are eaten every bit a salad or inward i cast or another. The most usually consumed seaweeds which grow inward both the Atlantic in addition to Pacific oceans are alaria, arame, hijiiki, nori, dulse in addition to several kinds of kelp. Porphyra sp. which is commercially known every bit nori or laver is most widely consumed with edible ruby-red seaweed worldwide (Watanable  et al 1999). Nori is usually eaten yesteryear the Japanese. The dark-brown seaweed Sargassum (Gulfweed, sea holly) is used inward soups in addition to soy sauce. 

Definition of seaweeds

Edible seaweeds are algae that tin live eaten in addition to used inward the training of food. It Typically contains high amounts of fiber  in addition to they comprise a consummate protein. They may belong to i of several groups of multicellular algae: the ruby-red algae, greenish algae in addition to dark-brown algae (ref: en.wickipedia.org).

Kinds of seaweeds

Seaweeds are plants, though less complex ones than province plants. Without roots or intricate tissues, seaweed must absorb nutrients from the sea water. To survive, they cast root-like parts to attach themselves to rocks or other stable items. Seaweeds are mainly classified into iii major classes based on their pigmentation namely brown, ruby-red in addition to greenish algae which are referred to every bit phaeophyceae, Rhodophyceae in addition to Chlorophyceae respectively (Khan et al. 2010). Three basic classes of pigments constitute inward marine algae are chlorophylls, carotenoids in addition to phycoerythrin.  Green seaweeds such every bit sea lettuce mainly comprise chlorophyll. Red seaweeds which include dulse, laver,nori, agar in addition to Irish Gaelic moss receive got ruby-red pigment, phycoerythrin. Brown seaweeds such every bit kelp, kombu, alaria, arame, wakame , seapalm in addition to hiijiki depend on dark-brown pigments from other carotenoid

Proximate composition of seaweeds

Seaweeds are high inward ash (37-46%) in addition to dietary fibers (25-40%) in addition to depression inward lipid content (0.29-1.11%) on dry out weight basis. The poly peptide content of many seaweeds ranges betwixt four in addition to 25% of the dry out weight. Generally the poly peptide content of dark-brown algae is depression (3-15% of dry out weight) compared with that of greenish (10-26% of dry out weight) in addition to ruby-red algae (35-47% of dry out weight) (Fitzgerald et al. 2011). The lipids acquaint inward seaweeds are rich inward omega-3 polyunsaturated obese acids inward detail EPA in addition to to a lesser extent DHA, which are of import to human health. Seaweeds comprise 33-62% full fibers on a dry out weight basis. The sulphated polysaccharides acquaint inward ruby-red in addition to dark-brown algae deed every bit dietary fibers. The major seaweed colloids include agar, algin, carrageenan, in addition to related colloids. These phycocolloids are materials such every bit gelatine, pectin in addition to starch that receive got the belongings of forming gels. Algin is produced from dark-brown seaweeds, piece agar in addition to carrageenan are from ruby-red algae. The phycocolloids are used every bit thickeners, humectants, coagulants, bulking agents, flocculation agents in addition to inward the training of antibiotic carriers. Agar finds much utilisation inward bakery products, confectionary making in addition to inward puddings, creams in addition to jellied products. Seaweed powders to a greater extent than frequently than non comprise 10 to 30% minerals, twenty to 45% proteins in addition to upwards to 40% soluble fibers.

Popular edible seaweeds

The ruby-red seaweed, Nori is rich inward iodine in addition to atomic number 26 in addition to quite high inward protein. It is too a expert source of vitamins C in addition to A, potassium, magnesium in addition to riboflavin (B2) in addition to it is depression inward fat. Another ruby-red seaweed, Dulse is highly nutritious containing poly peptide (10 to 20%), magnesium, atomic number 26 in addition to B-carotene. Carrageenan in addition to agar are extracted routinely from ruby-red algae. Irish Gaelic moss is rich inward retinol in addition to minerals. It is widely used inward all sorts of nutrient products because it has emulsifying in addition to jelling properties. The greenish seaweed, Wakame contains fucoxanthin, calcium, iron, natural sodium in addition to vitamin C.  The dark-brown seaweeds include such familiar forms every bit stone seaweeds, kelps in addition to sargassum. The dark-brown seaweeds are major sources of iodine. In improver to iodine, the dark-brown seaweed kelp (Kombu) too provides iron, magnesium in addition to  folate (vitamin B9). Kelp is used to live the primary source for preventing goitre in addition to treating thyroid conditions.  Sea lettuce in addition to refined saccharify kelp are the 2 seaweeds popularly eaten yesteryear humans. Seaweeds correspond i of the most nutritious flora foods. In Asian culture, seaweeds receive got e'er been of detail involvement every bit nutrient sources. Seaweeds are ones that tin live used inward a whole make of ways: every bit salads, inward soups, for sushi, inward deserts, inward bread, every bit snacks in addition to inward candy or every bit herbs in addition to flavour enhancers. Seaweeds are most usually used inward soups, every bit salad garnishes in addition to every bit a seasoning (in flake forms). Seaweeds are available inward wellness nutrient stores inward dried, powder, flake in addition to granular forms.

Health benefits of seaweeds

Edible seaweeds are ideal sources of chemic compounds for improving wellness in addition to well-being of humans.  Several bioactive substances with antimicrobial in addition to cytotoxic activities receive got reported from seaweeds. Tumour reductions, inhibition of cancer jail cellular telephone proliferation, complimentary radical scavenging in addition to pregnant antioxidant action receive got been exhibited yesteryear ruby-red in addition to dark-brown seaweeds. The sulphated polysaccharides found inward some of the dark-brown seaweeds are existence explored every bit antiviral agents in addition to every bit aids inward preventing blood clots. Sodium alginate found inward dark-brown seaweeds has the mightiness to protect the surface membranes of tum in addition to intestine. It acts every bit a haemostatic agent in addition to has tried inward the handling of esophagitis in addition to urolithiasis.  Fucoidan, a polysaccharide constitute inward dark-brown algae has shown promising antiviral, immunomodulating in addition to antibacterial activities. Fucoidan too inhibits the angiogenesis in addition to proliferation of human cancer cells. Phlorotannins (polyphenols) from dark-brown algae receive got been shown to possess multiple physiological activities such every bit antioxidant, anticarcinogenic, antibacterial, anti-inflammatory in addition to antiallergic properties. Taurine is an amino acid acquaint inward high concentration inward ruby-red algae. Taurine acts every bit an antioxidant in addition to reduces serum lipids thereby prevents atherosclerosis in addition to coronary see disease. Calcium phosphate inward seaweeds helps to trim down osteoporosis yesteryear nourishing the bones.  The high content of potassium inward seaweed is expert for the see in addition to kidneys. Seaweed nourishes the membranes, making it expert for nervous disorders, peel conditions, colds in addition to constipation. The chromium content inward seaweeds helps to command blood refined saccharify levels. In full general seaweed intake may strengthen the immune system, trim down cholesterol in addition to amend metabolism in addition to digestion. Consumption of seaweed is helpful inward combating fatigue caused yesteryear dull thyroid activity. Seaweed intake back upwards thyroid function. Dietary intake of dark-brown algae is effective for curing goitre because of their iodine content.
                    Seaweeds are splendid sources of  minerals.

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