Research Journal of Pharmacy and Technology

Oxalis corniculata Linn, belonging to the family Oxalidaceae, a wood sorrel family is medicinally useful creeping herb found in tropical and subtropical regions. The plant is sour in taste due to presence of various acidic constituents like Oxalic, Ascorbic, and Tartaric, Citric acids, and essential fatty acids like palmitic acid, oleic, linoleic, linolenic and stearic acids. The different soil type and climatic conditions affect the plant growth. The objective of the present study is to characterize different geographical varieties of herb by determination of the total acidic constituents with potentiometric titration method. The aqueous extract of various samples of Oxalis corniculata collected from different parts of Maharashtra and Karnataka were subjected for determination percentage of acidic constituents of the Oxalis corniculata by the potentiometric titration using 0.1N Sodium hydroxide. The samples from southern Maharashtra and southern Karnataka showed higher concentration of acidic constituents.