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3-Hydroxybenzoic acid is a component of castoreum, the exudate from the castor sacs of the mature North American beaver (Castor canadensis) and the European beaver (Castor fiber), used in perfumery. It can also be formed by a Pseudomonas species from 3-Chlorobenzoic acid .
Hydroxybenzoic acid may refer to several related chemical compounds: 2-Hydroxybenzoic acid (salicylic acid, o-hydroxybenzoic acid) 3-Hydroxybenzoic acid (m ...
Included in that class are substances containing a phenolic ring and an organic carboxylic acid function (C6-C1 skeleton). Two important naturally occurring types of phenolic acids are hydroxybenzoic acids and hydroxycinnamic acids, which are derived from non-phenolic molecules of benzoic and cinnamic acid, respectively. [1]
4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid.It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols and acetone. 4-Hydroxybenzoic acid is primarily known as the basis for the preparation of its esters, known as parabens ...
3-Hydroxyanthranilic acid is an intermediate in the metabolism of tryptophan. It is new antioxidant isolated from methanol extract of tempeh . It is effective in preventing autoxidation of soybean oil and powder, while antioxidant 6,7,4'-trihydroxyisoflavone is not.
2,3-Dihydroxybenzoic acid is a natural phenol found in Phyllanthus acidus [2] and in the aquatic fern Salvinia molesta. [3] It is also abundant in the fruits of Flacourtia inermis. It is a dihydroxybenzoic acid, a type of organic compound. The colorless solid occurs naturally, being formed via the shikimate pathway.
Monohydroxybenzoic acid may refer to any of three isomeric phenolic acids: Salicylic acid (2-hydroxybenzoic acid, o-hydroxybenzoic acid) 3-Hydroxybenzoic acid (m-hydroxybenzoic acid) 4-Hydroxybenzoic acid (p-hydroxybenzoic acid) Monohydroxybenzoic acids can be degraded by microbes. [1]
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]