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It is prepared by disulfonation of benzoic acid followed by hydrolysis of the disulfonate. [3] It is a metabolite of alkylresorcinols, first identified in human urine [4] and can be quantified in urine [5] and plasma, [6] and may be an alternative, equivalent biomarker of whole grain wheat intake. [7]
Dihydroxybenzoic acids (DHBA) are a type of phenolic acids. There are six main compounds, having all the same molecular formula C 7 H 6 O 4. Those are: 2,3-Dihydroxybenzoic acid (2-Pyrocatechuic acid or hypogallic acid) 2,4-Dihydroxybenzoic acid (β-Resorcylic acid) 2,5-Dihydroxybenzoic acid (Gentisic acid) 2,6-Dihydroxybenzoic acid (γ ...
This page was last edited on 30 December 2018, at 23:14 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
3,5-Dihydroxybenzoic acid (α-resorcylic acid or 5-carboxyresorcinol) 2,4-Dihydroxybenzoic acid (β-resorcylic acid or 4-carboxyresorcinol) 2,6-Dihydroxybenzoic acid (γ-resorcylic acid or 2-carboxyresorcinol) In each case, the hydroxyl groups are meta to each other and thus are m-dihydroxybenzoic acids.
UV visible spectrum of protocatechuic acid. Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid. It is a major metabolite of antioxidant polyphenols found in green tea. It has mixed effects on normal and cancer cells in in vitro and in vivo studies. [4] It is produced commercially from vanillin. [5]
2,3-diDHB dehydrogenase catalyzes the NAD +-dependent oxidation of 2,3-dihydro-2,3-dihydroxybenzoate to produce an aromatic compound 2,3-dihydroxybenzoic acid (2,3-DHB or simply DHB). [4] In times of iron deficiency, iron uptake is controlled by three genes: ent , fep , and fes for synthesis, export, and uptake of ferric Enterobactin and its ...
This category has the following 3 subcategories, out of 3 total. D. Dihydroxybenzoic acids (20 P) M. Monohydroxybenzoic acids (1 C, 6 P) T. Trihydroxybenzoic acids (14 P)
Increasing evidence from human intervention trials suggests that they are the most promising biomarker of whole grain wheat and rye intake. [16] [17] Alkylresorcinol metabolites, 3,5-dihydroxybenzoic acid (DHBA) and 3,5-dihydroxyphenylpropionoic acid (DHPPA) were first identified in urine [18] and can be quantified in urine [19] and plasma, [20] and may be an alternative, equivalent biomarker ...