Isolation and Identification of Lipid-Soluble Compounds from Rice Bran

doi:10.7506/spkx1002-6630-201409013

Abstract

Abstract:

Crude extract was obtained by the extraction of rice bran using organic solvent. Nine pure compounds
were isolated and identified from the extract using silica gel column chromatography and Sephadex LH-20 column
chromatography. Their chemical structures were elucidated as oleic acid, linoleic acid, 2,3-dihydroxypropyl stearate,
2,3-dihydroxypropyl oleate, 3-hydroxy-1,2-propyl diolein,1,3-diolein, 1,3-2-oleyl,2-stearoyl triacylglycerol, stigmasterol,
and ergosterol by nuclear magnetic resonance (NMR) and electro-spray ionization mass spectrometry (ESI-MS).

Key words: rice bran, fat-soluble compounds, isolation and purification, structural identification

LIU Tian-xing, WANG Wei, GUO Jia, XIN Zhi-hong. Isolation and Identification of Lipid-Soluble Compounds from Rice Bran[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201409013.

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Isolation and Identification of Lipid-Soluble Compounds from Rice Bran

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