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The Greenland shark's poisonous flesh has a high urea content, which gave rise to the Inuit legend of Skalugsuak, the first Greenland shark. [61] The legend says that an old woman washed her hair in urine (a common practice to kill head lice ) and dried it with a cloth.
Hákarl (an abbreviation of kæstur hákarl [ˈcʰaistʏr ˈhauːˌkʰa(r)tl̥]), referred to as fermented shark in English, is a national dish of Iceland consisting of Greenland shark or other sleeper shark that has been cured with a particular fermentation process and hung to dry for four to five months. [1]
Unprocessed shark meat may have a strong odor of ammonia, due to the high urea content that develops as the fish decomposes. [6] The urea content and ammonia odor can be reduced by marinating the meat in liquids such as lemon juice, vinegar, milk, or saltwater. [7] Preparation methods include slicing the meat into steaks and fillets. [1]
But, in reality one of the ocean's largest sharks lives here. Nicknamed the sleeper shark, Greenland sharks are very slow moving and mostly Mysterious giant sharks may be everywhere
Scientists from the Fisheries and Marine Institute of Memorial University of Newfoundland filmed the rare Greenland shark recently in the Canadian Arctic. Slow swimmers and effectively blind, the ...
Along an icy coast of Greenland, locals spotted the body of a rarely seen deep-sea creature. Wildlife officials identified the stranded animal as a 100-year-old shark.
Trimethylamine oxide is used in protein folding experiments to counteract the unfolding effects of urea. [15] In the organometallic chemistry reaction of nucleophilic abstraction, Me 3 NO is employed as a decarbonylation agent according to the following stoichiometry: M(CO) n + Me 3 NO + L → M(CO) n−1 L + Me 3 N + CO 2
In modern times, many Greenlandic sharks used for hákarl production are purchased from fishing ships where the sharks were trapped in the fishing nets. The shark carcass is traditionally fermented in a shallow pit, with stones placed on top of the shark, allowing poisonous internal fluids, like urea and trimethylamine oxide, to be pressed and ...