Seed oil composition of Paullinia cupana var. sorbilis (Mart.) Ducke

The chemical composition of the oil extracted from the seeds of Paullinia cupana var. sorbilis (Mart.) Ducke (syn. P. sorbilis) was investigated. Cyanolipids constituted 3% of the total oil from guaraná seeds, whereas acylglycerols accounted for 28%. 1H and 13C NMR analyses indicated that type 1 cya...

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Bibliographic Details
Published in:Lipids 2003-07, Vol.38 (7), p.773-780
Main Authors: Avato, P., Pesante, M. A., Fanizzi, F. P., Aimbiré de Moraes Santos, C.
Format: Article
Language:English
Subjects:
Fatty Acids - chemistry
Fatty Acids - isolation & purification
Gas Chromatography-Mass Spectrometry
Glycerides - chemistry
Glycerides - isolation & purification
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Paullinia - chemistry
Plant Oils - chemistry
Plant Oils - isolation & purification
Seeds
Seeds - chemistry
Spectroscopy, Fourier Transform Infrared
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Summary:The chemical composition of the oil extracted from the seeds of Paullinia cupana var. sorbilis (Mart.) Ducke (syn. P. sorbilis) was investigated. Cyanolipids constituted 3% of the total oil from guaraná seeds, whereas acylglycerols accounted for 28%. 1H and 13C NMR analyses indicated that type 1 cyanolipids (1‐cyano‐2‐hydroxymethylprop‐2‐ene‐1‐ol diesters) are present in the oil from P. cupana. GC and GC‐MS analysis showed that cis‐11‐octadecenoic (cis‐vaccenic acid) and cis‐11‐eicosenoic acids were the main FA (30.4 and 38.7%) esterified to the nitrile group. Paullinic acid (7.0%) was also an abundant component. Oleic acid (37.4%) was the dominant fatty acyl chain in the acylglycerols.
ISSN:0024-4201
1558-9307
DOI:10.1007/s11745-003-1126-5