Abstract
Rotheca serrata (L.) Steane & Mabb. a plant having significant medicinal value is used in treating a fever, rheumatism, inflammation, pain, and malarial fever. Ursolic acid has a five-ringed pentacyclic structure belongs to the family of triterpenoids. It has antioxidant, antitumor, and hepato-protective properties. The method in HPLC was developed on a SHIMADZU, Shimpack ODS (25 cm × 4.6 mm, 5 µm) column. The mobile phase consisted of a 70:25:5 (v/v/v) mixture of methanol, acetonitrile, and 0.02 M ammonium acetate buffer (pH 3.5). A flow rate of 1.2 mL/min and λmax of 215 nm. Ursolic acid from the extract and standard was eluted at the same retention time of 4.1 min. 20–120 µg/mL was the linearity range chosen and was found to be linear (R 2=0.996). The value of LOD was 0.85 µg/mL and LOQ was 1.96 µg/mL. The method for analysis of ursolic was found to be accurate with good repeatability.
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