Physicochemical and Fatty Acid Profiling of Rice Bran Oil and Its Quality Characteristics

Abstract

The continued demand for edible oils by the ever-increasing population makes it pertinent to explore new sources. In this direction, rice bran oil has been subjected to toxicological and nutritional evaluations of their chemical’s constituents. The objective of the study was to determine the physicochemical analysis and fatty acid composition. Physicochemical properties like acid value, color, specific gravity, refractive index, saponification value, iodine value, peroxide value, unsaponifiable matter, and test for presence mineral oil, argemone oil and castor oil were studied to evaluate the compositional quality of rice bran oil. The physicochemical analysis of the rice bran oil showed acid value (0.50), color ¼ inch cell (20 unit), specific gravity (0.914), refractive index (1.4662), saponification value (189.20), iodine value (102.14), peroxide value (1.84), unsaponifiable matter (3.2), and tests for presence of mineral oil, argemone oil, castor oil negative. Fatty acid profile showed number of peaks 8 and total peak area 1321.903, 20.93% SFA, 43.55% MUFA, 35.50% PUFA and 79.06% MUFA and PUFA, with 43.33% oleic acid,34.01% linoleic acid and 19.03% myristic acid in rice bran oil.

Keywords: fatty acid methyl esters, fatty acid profile, physicochemical, quality characteristics, Rice bran oil

Cite this Article

Purendra Singh. Physicochemical and Fatty Acid Profiling of Rice Bran Oil and Its Quality Characteristics. Research & Reviews: A Journal of Pharmacognosy. 2019; 6(3): 6–10p.