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The objectives of the study are to obtain optimum yield of extraction red rice bran oil, to determine the physico-chemical characteristics, and componen coumpounds. Data was analyzed using Nir Parametric Statistics by Friedmann test. The result showed the optimum extraction results was obtained by the ratio of substrate : solvent of 1: 8 and the oil yield was 12.31 Â± 0.325%. The physico properties of red rice bran oil were greenish brown colour, with a density ranged from 0.908 Â± 0.014 to 0.922 Â± 0.014 (g/mL), and the water content ranged from 0.87 Â± 0.06 to 0.91 Â± 0.02 %. The chemical properties of red rice bran oil were: the acid number ranged from 116.41 Â± 1.22 to 118.11 Â± 2.45 (mg NaOH/g); the saponification number ranged from 193.74 Â± 21.88 to 199.62 Â± 12.63 (mg KOH/g); and the peroxide number ranged from 24.37 Â± 2.44 to 26.07 Â± 4.88 (mgek/kg), respectively. Oils was analyzed used GC-MS. The chemical components of rice bran oil are oleic acid (46.24%), palmitic acid (18.25%), linoleic acid (13.29%), 9-octadecane (7.76%).

EXTRACTION AND CHEMICAL COMPOUNDS IDENTIFICATION OF RED RICE BRAN OIL USING GAS CHROMATOGRAPHY – MASS SPECTROMETRY (GC-MS) METHOD