As a resorcylic acid, it is one of the three isomeric crystalline acids that are both carboxyl derivatives of resorcinol and dihydroxy derivatives of benzoic acid. Compound 2,5 dihydroxybenzoic acid with free spectra. Protocatechuic acid pca is a dihydroxybenzoic acid, a type of phenolic acid. Compound 2,5dihydroxybenzoic acid with free spectra. It occurs naturally in phyllanthus acidus and in the aquatic fern salvinia molesta. Uv spectra of the dihydroxybenzoic acid isomers in meoh, in the. Buy 3,5dihydroxybenzoic acid cas 99105, a biochemical for proteomics research, from santa cruz. Download scientific diagram uv spectra of the dihydroxybenzoic acid isomers in meoh, in the range of 230400 nm. It is a major metabolite of antioxidant polyphenols found in green tea. It is a member of catechols and a dihydroxybenzoic acid. Search results for dihydroxybenzoic acid at sigmaaldrich. It has mixed effects on normal and cancer cells in in vitro and in vivo studies. Structure, properties, spectra, suppliers and links for. It possesses antioxidant, antiradical and hydrogen peroxide scavenging.
Compound 4 and 5 significantly inhibited the growth of salmonella thypimurium and s. There is an increasing amount of evidence indicating that gentisic acid has a broad spectrum of biological activity. Revisioncdecember2015 instructionsforuse 2,5dihydroxybenzoicacid 2,5dhb purifiedmatrixsubstanceformatrixassistedlaserdesorptionandionization. Other species may be generated by the addition of the appropriate inorganic salt. Definition, a dihydroxybenzoic acid having the two hydroxy groups at. Quantification of alkylresorcinol metabolites in urine by hplc with coulometric electrode array detection. Shop online for a wide selection of 3,4dihydroxybenzoic acid, 97%, acros organics. It is a crystalline powder that forms monoclinic prism in water solution. Due to scheduled maintenance at our gaithersburg campus, this site will not be available from 5.
147 1402 1554 1516 762 952 1550 680 987 220 1126 150 260 305 505 768 1624 73 256 888 960 1291 909 1243 335 774 694 880 736 567 833 1041