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High field 13 C nuclear magnetic resonance spectrum of the olefinic carbons of the triglycerides of palm oil
Author(s) -
Ng Soon
Publication year - 1984
Publication title -
lipids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.601
H-Index - 120
eISSN - 1558-9307
pISSN - 0024-4201
DOI - 10.1007/bf02534609
Subject(s) - glycerol , chemistry , triglyceride , oleic acid , palm oil , fatty acid , linoleic acid , glyceride , organic chemistry , palm kernel oil , carbon fibers , food science , biochemistry , materials science , cholesterol , composite number , composite material
In the triglycerides of palm oil (or any vegetable oil or fat), an unsaturated fatty acid (oleic or linoleic) attached to the 2‐glycerol carbon can be distinguished from one attached to the 1‐ or 3‐glycerol carbon by high (or medium) field 13 C nuclear magnetic resonance (NMR) analysis of the olefinic carbons. The chemical shift difference of the olefinic carbons in the fatty acid chain is characteristic of the chain's glycerol position and can therefore be used to identify the glycerol position of an unsaturated fatty acid in the triglyceride.