Mandelic Acid to white slice rhombic crystal, dew with light discoloration decomposition. Soluble in ether and isopropyl alcohol, soluble in water and ethanol. Mandelic acid is one of the hydrolysis product of amygdalin, earliest and by j. w. Walker and v. k. Krieble in 1909 made by amygdalin was hydrolyzed by dilute hydrochloric acid. Mandelic acid and its derivatives in the body are epinephrine and norepinephrine sheets amine oxidase and catecholamine metabolites - O - methyl transferase. Mandelic acid molecules have a chiral carbon atoms, hence the (R) and type (S) of the two enantiomers. (R) - type gradually racemization in the 160 ° C. Isomers with cresol acid (2 - hydroxy - 3 - methyl benzoic acid) and 2 - methoxy benzoic acid.
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