¹H-nuclear Magnetic Resonance Analysis of the Triacylglyceride Composition of Cold-pressed Oil from Camellia Japonica

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2012 Jun 6

PMID 22664463

Citations 11

Authors

Carmen Salinero

Xesus Feas

J Pedro Mansilla

Julio A Seijas

M Pilar Vazquez-Tato

Pilar Vela

Maria J Sainz

Affiliations

Soon will be listed here.

Abstract

Camellia japonica (CJ) has oil-rich seeds, but the study of these oils has received little attention and has mainly focused only on their health properties. In the present work the relative composition of the fatty acid (FA) components of the triglycerides in cold-pressed oil from CJ is studied by ¹H-NMR. The results obtained were: 75.75%, 6.0%, 0.17% and 18.67%, for oleic, linoleic, linolenic and saturated FA respectively. Levels of C₁₈ unsaturated FA found in CJ oil were similar to those reported for olive oils. We also checked the possibility of using ¹³C-NMR spectroscopy; however, the results confirmed the drawback of ¹³C over ¹H-NMR for the study of FA components of CJ triglycerides due to its low gyromagnetic ratio and its very low natural abundance.

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