Webp-HBA, p-Hydroxybenzoic acid Linear Formula: HOC6H4CO2H CAS Number: 99-96-7 Molecular Weight: 138.12 Beilstein: 970950 EC Number: 202-804-9 MDL number: … Web摘要： Phenolic acid allelochemicals released by decomposing foliage can have negative impacts on growth of plants and microbes in soil. However, these chemicals can potentially be degraded by broad-spectrum endophytic fungi such as, Phomopsis liquidambari (strain B3), which is capable of growing on phenolic 4-hydroxybenzoic acid (4-HBA) as the sole …
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The enzyme 4-hydroxybenzoate 3-monooxygenase (NAD (P)H) utilizes 4-hydroxybenzoate, NADH, NADPH, H + and O 2 to produce 3,4-dihydroxybenzoate ( protocatechuic acid ), NAD +, NADP + and H 2 O. This enzyme participates in benzoate degradation via hydroxylation and 2,4-dichlorobenzoate … See more 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 See more Biosynthesis Chorismate lyase is an enzyme that transforms chorismate into 4-hydroxybenzoate and pyruvate. This enzyme catalyses the first step in ubiquinone biosynthesis in Escherichia coli and other Gram … See more 4-Hydroxybenzoic acid is a popular antioxidant in part because of its low toxicity. The LD50 is 2200 mg/kg in mice (oral). See more It is found in plants of the genus Vitex such as V. agnus-castus or V. negundo, and in Hypericum perforatum (St John's wort). It is also found in Spongiochloris spongiosa, a freshwater green … See more p-Hydroxybenzoic acid glucoside can be found in mycorrhizal and non-mycorrhizal roots of Norway spruces (Picea abies). Violdelphin is an anthocyanin, a type of plant pigments, … See more The Hammett equation describes a linear free-energy relationship relating reaction rates and equilibrium constants for many reactions involving benzoic acid derivatives with … See more • Phenolic content in tea • Phenolic content in wine See more WebThe in-vitro formation of p -HBA from p -coumaric acid and the activity of the hydroxybenzaldehyde dehydrogenase are moderately elicitor-induced but to a much lesser extent than phenylalanine ammonialyase, which is the starting enzyme of the general phenylpropanoid pathway. Download to read the full article text Abbreviations HPLC: truth jones
Quantitation of hydroxyl radical during Fenton oxidation following …
Web4-hydroxybenzoic acid, or p-hydroxybenzoic acid, is a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform, but well soluble in alcohols, ether, and acetone. [72] logKow (non-ionised form) = 0.878 (22°C, pH=3.5), logKow (ionised form) < 0.3 [68]; WebPrevious studies demonstrated that some bacteria regulate their physiology and pathogenicity by employing 4-hydroxybenzoic acid (4-HBA). Here, we report that 4-HBA controls biological functions, virulence, and anthranilic acid production in Shigella sonnei. The biosynthesis of 4-HBA is performed by UbiC (SSON_4219), which is a chorismate ... WebThe established interactions of the most stable conformations of protein-ligand complex structures of: A—chlorogenic acid (CA), B— p-hydroxybenzoic acid (p-HBA), and C—sinapic acid (SYN) and COX-2; Figure S6. The established interactions of the most stable conformations of protein-ligand complex structures of: A—chrysoeriol (CHR), B ... truth johannesburg