Quantification of sterols and aliphatic alcohols in Mediterranean stone pine (Pinus pinea L.) populations.
Individual components of Pinus pinea L. oil unsaponifiable matter isolated from seven Mediterranean populations were identified and quantified. P. pinea oil unsaponifiable matter contained very high levels of phytosterols (>or=4298 mg kg-1 of total extracted lipids), of which beta-sitosterol was the most abundant (74%). Aliphatic alcohol contents were 1365 mg kg-1 of total extracted lipids, of which octacosanol was the most abundant (41%). Two alcohols (hexacosanol and octacosanol), which are usually absent in common vegetable oils, were described for P. pinea oils. There were almost no differences in the total unsaponifiable matter of the seven Mediterranean populations studied. However, sterol and aliphatic alcohol contents showed some variability, with Tunisian and Moroccan populations showing very different and higher contents.
Nasri
Nizar
N
Laboratoire de Biochimie, Département de Biologie, Faculté des Sciences de Tunis, Université Tunis El-Manar, Tunis 2092, Tunisia. Nizar.Nasri@fst.rnu.tn
Fady
Bruno
B
Triki
Saïda
S
D000438:Alcohols / Q000032:analysis*; D005233:Fatty Alcohols / Q000032:analysis; D009018:Morocco; D010840:Phytosterols / Q000032:analysis*; D028223:Pinus / Q000737:chemistry*; D010938:Plant Oils / Q000737:chemistry*; D012639:Seeds / Q000737:chemistry*; D014416:Tunisia
D000438:Alcohols; D005233:Fatty Alcohols; D010840:Phytosterols; D010938:Plant Oils; C044309:1-octacosanol; C051942:1-hexacosanol