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The seaweed is commonly found around the west coast of Great Britain and east coast of Ireland along the Irish Sea. [2] [1] Laver has a high content of dietary minerals, particularly iodine and iron. The high iodine content gives the seaweed a distinctive flavour in common with olives and oysters. [3]
The seaweed also had another, yet undiscovered, important chemical. One day towards the end of 1811 while Courtois was isolating sodium and potassium compounds from seaweed ash, he discovered iodine after he added sulfuric acid to the seaweed ash. He was investigating corrosion of his copper vessels when he noticed a vapor given off.
Iodine in the ocean exists mostly in oceanic sediments and seawater. [4] During subduction of oceanic crust and seawater, most of the iodine cycles into seawater through brine, while a minor amount is cycled into the mantle. [4] Marine biota, including seaweed and fish, accumulate iodine from the seawater and return it during decomposition. [2]
Their protein content is low and their heavy metal content is high, especially for arsenic and iodine, which are respectively toxic and nutritious. [36] [37] They are valued for fish production. [38] Adding seaweed to livestock feed can substantially reduce methane emissions from cattle, [39] but only from their feedlot emissions. As of 2021 ...
Bladder wrack is named for its conspicuous vesicles. Fucus vesiculosus, known by the common names bladderwrack, black tang, rockweed, sea grapes, bladder fucus, sea oak, cut weed, dyers fucus, red fucus and rock wrack, is a seaweed found on the coasts of the North Sea, the western Baltic Sea and the Atlantic and Pacific Oceans.
Climate change will affect the nutrition of seaweeds eaten by billions of people around the world.
Researchers have found that eating antioxidant-rich seaweed may stave off the devastating disease. Rich in iodine, seaweed offers a surprising solution to the neurodegenerative disease ...
Seaweed is a moderate source (less than 20% DV) of niacin, iron, and zinc. Seaweed has a high content of iodine, providing a substantial amount in just one gram. [19] A 2014 study reported that dried purple laver ("nori") contains vitamin B12 in sufficient quantities to meet the RDA requirement (Vitamin B12 content: 77.6 μg /100 g dry weight ...