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Food frequency questionnaire-derived estimates of relative intakes of vitamins K in one northern European country suggest that for that population, about 90% of total vitamin K intakes are provided by K 1, about 7.5% by MK-5 through MK-9 and about 2.5% by MK-4; [citation needed] the intense smell and strong taste of nattÅ appear to make this ...
Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. [1] The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ("K" from Danish koagulation, for "coagulation") or for controlling binding of calcium in bones and other tissues. [2]
The compound is variously known as vitamin K 3 [7] and provitamin K 3. [8] Proponents of the latter name generally argue that the compound is not a real vitamin due to its artificial status (prior to its identification as a circulating intermediate) and its lack of a 3-methyl side chain preventing it from exerting all the functions (specifically, it cannot act as a cofactor for GGCX in vitro ...
The compounds found in food are formed when creatine (a non-protein amino acid found in muscle tissue), other amino acids and monosaccharides are heated together at high temperatures (125-300 o C or 275-572 o F) or cooked for long periods. HCAs form at the lower end of this range when the cooking time is long; at the higher end of the range ...
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Food storage in refrigerators may not be safe unless there is close adherence to temperature guidelines. In general the temperature should be maintained at 4 °C (39 °F) or below but never below 1 °C (34 °F). [8] Safe storage times vary from food to food and may depend on how the food has been treated prior to being placed in the refrigerator.
The Coolgardie safe is a low-tech food storage unit, using evaporative cooling to prolong the life of whatever edibles are kept in it. It applies the basic principle of heat transfer which occurs during evaporation of water (see latent heat and heat of evaporation).
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