Biotin is a coenzyme for five carboxylase enzymes, which are involved in the catabolism of amino acids and fatty acids, synthesis of fatty acids, and gluconeogenesis. [3] [4] Biotinylation of histone proteins in nuclear chromatin plays a role in chromatin stability and gene expression. [4] [7] See more Biotin (or vitamin B7) is one of the B vitamins. It is involved in a wide range of metabolic processes, both in humans and in other organisms, primarily related to the utilization of fats, carbohydrates, and amino acids. The … See more Biotin is classified as a heterocyclic compound, with a sulfur-containing ring fused ureido and tetrahydrothiophene group. A C5-carboxylic acid side chain is appended to one of the rings. The ureido ring, containing the −N−CO−N− group, serves as the … See more Biotin, synthesized in plants, is essential to plant growth and development. Bacteria also synthesize biotin, and it is thought that bacteria resident in the large intestine may synthesize … See more The enzyme holocarboxylase synthetase covalently attaches biotin to five human carboxylase enzymes: • Acetyl-CoA carboxylase alpha (ACC1) • Acetyl-CoA carboxylase beta See more The US National Academy of Medicine updated Dietary Reference Intakes for many vitamins in 1998. At that time there was insufficient … See more Biotin is a water-soluble B vitamin. Consumption of large amounts as a dietary supplement results in absorption, followed by excretion into urine as biotin. Consumption of biotin as part of a normal diet results in urinary excretion of biotin and biotin metabolites. See more Primary biotin deficiency, meaning deficiency as a consequence of too little biotin in the diet, is rare, because biotin is contained in so many foods. Subclinical deficiency can … See more WebSep 19, 2024 · The fat-soluble vitamins include vitamins A, D, E, and K. Fat-soluble vitamins play integral roles in a multitude of physiological processes such as vision, …

Biotin interference in immunoassay: a review for the laboratory ...

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Biochemistry – What is Biotin? What are its important functions?

WebFree online lectures on Biochemistry by Biochemistry club. Biotin. Biotin is a very important member of the B-Complex group of vitamins. Biotin was isolated in 1942 by … WebSummary. Biotin was originally discovered as part of the complex called bios, which promoted the growth of yeast, and separately, as vitamin H, the protective or curative factor in egg white injury – the disease caused by diets containing large amounts of uncooked egg white. The glycoprotein avidin in egg white binds biotin with high affinity. WebDec 14, 2024 · Biotin is a water-soluble B-vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R. It is composed of a ureido ring fused with a tetrahydrothiophene ring. ... Cofactor biochemistry. D-(+)-Biotin is a cofactor responsible for carbon dioxide transfer in several carboxylase enzymes: Acetyl-CoA carboxylase … trumpf tlf 2700tm