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Triacylglycerols and aliphatic alcohols from fruits of three Tunisian Pistacia lentiscus populations
Author(s) -
Trabelsi Hajer,
Renaud Justin,
Herchi Wahid,
Boukhchina Sadok,
Mayer Paul
Publication year - 2014
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.6915
Subject(s) - pistacia lentiscus , population , palmitic acid , chemistry , oleic acid , alcohol , linoleic acid , food science , pistacia , triglyceride , composition (language) , botany , fatty acid , biology , organic chemistry , biochemistry , cholesterol , mediterranean climate , ecology , demography , linguistics , philosophy , sociology
BACKGROUND The search for other sources of vegetable oils by the exploitation and the enhancement of other oil plants will be needed to meet the demands of the international market. This study aims to determine the triacylglycerol ( TAG ) molecular species and aliphatic alcohol compositions of unexploited fruits of three Tunisian Pistacia lentiscus (lentisc) populations from the Korbous, Tebaba and Rimel areas of Tunisia. RESULTS Results show that the content of total TAG varies from 738.32 mg g −1 of total lipid in the Tebaba population to 981.15 mg g −1 of total lipid in the Korbous population. Furthermore, 14 species of TAG were detected in the three studied populations. In addition, 13 aliphatic compounds were identified and classified into two groups: (1) aliphatic alcohols with fewer than 20 carbon atoms (hexadecanol, heptadecanol, ( Z )‐octadec‐9‐en‐1‐ol, octadecanol and nonadécanol); and (2) the policosanol group (eicosenol, docosenol, docosanol tetracosanol, hexacosanol octacosanol and triacontanol). The Tebaba population showed a distinct composition compared to Korbous and Rimel where heptadecanol is the major compound. CONCLUSION Quantitatively, the most abundant TAG species are those constituted by palmitic, oleic and/or linoleic acid. Furthermore, the significant difference observed at the oil composition is associated with a remarkable station effect. © 2014 Society of Chemical Industry