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Jojoba oil analysis by high pressure liquid chromatography and gas chromatography/mass spectrometry

Permanent URL:
http://handle.nal.usda.gov/10113/28500
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Abstract:
Two analytical procedures for determining com-positions of jojoba liquid wax esters are described and compared. One, the more tedious, involves separation of wax ester homologs by high pressure liquid chro-matography followed by determination of the acid and alcohol moieties from each homolog. The second allows rapid determination of wax ester composition by gas Chromatographic separation of hydrogenated jojoba wax esters according to chain length, followed immediately by ancillary mass spectrometric identifi-cation of the acid and alcohol moieties. Double bonds in the alkyl chains in jojoba liquid waxes were almost exclusively (98%) ω-9, when examined by gas chro-matography/mass spectrometry (GC/MS) and ozonolysis/GC/MS.
Author(s):
Spencer, G.F. , Plattner, R.D. , Miwa, T.
Note:
20090428 20090508 00000000
Source:
Journal of the American Oil Chemists' Society May 1977, 54 (5)
Language:
English
Year:
1977
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Rights:
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.