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Ergothioneine is a naturally occurring amino acid and is a thiourea derivative of histidine, containing a sulfur atom on the imidazole ring. [1] This compound occurs in relatively few organisms, notably actinomycetota, cyanobacteria, and certain fungi.
Sulfites or sulphites are compounds that contain the sulfite ion (systematic name: sulfate(IV) ion), SO 2− 3. The sulfite ion is the conjugate base of bisulfite. Although its acid (sulfurous acid) is elusive, [1] its salts are widely used. Sulfites are substances that naturally occur in some foods and the human body.
A low-sulfur diet is a diet with reduced sulfur content. Important dietary sources of sulfur and sulfur containing compounds may be classified as essential mineral (e.g. elemental sulfur), essential amino acid and semi-essential amino acid (e.g. cysteine). Sulfur is an essential dietary mineral primarily because amino acids contain it.
While the back of a wine bottle may say “contains sulfites,” only bottles that contain more than 10 parts per million of sulfites must carry this label, per the U.S. Food and Drug ...
Here are 10 ways to add more nutrition to your food without sacrificing flavor. Plain, low-fat Greek yogurt for sour cream Plain low-fat Greek yogurt has the same tartness and creamy consistency ...
Nutrition experts Mira and Jayson Calton, Ph.D., the authors of Rich Food, Poor Food, came up with this grocery list to help you avoid the toxic items and still enjoy your favorite foods. Bon ...
Biotin is classified as a heterocyclic compound, with a sulfur-containing tetrahydrothiophene ring fused to a ureido group. A C5-carboxylic acid side chain is appended to the former ring. The ureido ring, containing the −N−CO−N− group, serves as the carbon dioxide carrier in carboxylation reactions. [7]
Sulfur is metabolized by all organisms, from bacteria and archaea to plants and animals. Sulfur can have an oxidation state from -2 to +6 and is reduced or oxidized by a diverse range of organisms. [1] The element is present in proteins, sulfate esters of polysaccharides, steroids, phenols, and sulfur-containing coenzymes. [2]