Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Vigor, C; Züllig, T; Eichmann, TO; Oger, C; Zhou, B; Rechberger, GN; Hilsberg, L; Trötzmüller, M; Pellegrino, RM; Alabed, HBR; Hartler, J; Wolinski, H; Galano, JM; Durand, T; Spener, F.
α-Linolenic acid and product octadecanoids in Styrian pumpkin seeds and oils: How processing impacts lipidomes of fatty acid, triacylglycerol and oxylipin molecular structures.
Food Chem. 2022; 371:131194
Doi: 10.1016/j.foodchem.2021.131194
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- Führende Autor*innen der Med Uni Graz
- Spener Friedrich
- Züllig Thomas
- Co-Autor*innen der Med Uni Graz
- Eichmann Thomas
- Hartler Jürgen
- Trötzmüller Martin
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- Abstract:
- Styrian pumpkin seed oil is a conditioned green-colored oil renowned for nutty smell and taste. Due to α-linolenic acid (ALA) contents below 1% of total fatty acids and the prospect of nutritional health claims based on its potential oxidation products, we investigated the fate of ALA and product oxylipins in the course of down-stream processing of seeds and in oils. Lipidomic analyses with Lipid Data Analyzer 2.8.1 revealed: Processing did not change (1) main fatty acid composition in the oils, (2) amounts of triacylglycerol species, (3) structures of triacylglycerol molecular species containing ALA. (4) Minor precursor ALA in fresh Styrian and normal pumpkins produced 6 product phytoprostanes in either cultivar, quantitatively more in the latter. (5) In oil samples 7 phytoprostanes and 2 phytofurans were detected. The latter two are specific for their presence in pumpkin seed oils, of note, quantitatively more in conditioned oils than in cold-pressed native oils.
- Find related publications in this database (using NLM MeSH Indexing)
- Cucurbita - administration & dosage
- Fatty Acids - administration & dosage
- Lipidomics - administration & dosage
- Molecular Structure - administration & dosage
- Oxylipins - administration & dosage
- Plant Oils - administration & dosage
- Seeds - administration & dosage
- Triglycerides - administration & dosage
- alpha-Linolenic Acid - administration & dosage
- Find related publications in this database (Keywords)
- Cucurbita pepo subsp. pepo var. styriaca
- Styrian pumpkin seed oil
- alpha-Linolenic acid
- Triacyl-glycerols
- Oxylipins Lipidomics