Received: 07/06/2019; Revised: 16/10/2019; Accepted: 04/11/2019 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/ejlt.201900243. This article is protected by copyright. All rights reserved. Formation of phospholipid association colloids in rapeseed oil and their effect on lipid autoxidation in the presence of sinapic and ferulic acid Ewa Rokosik a , Aleksander Siger a , Magdalena Rudzioska b , Przemysław Siejak c , Krzysztof Dwiecki a* a Department of Food Biochemistry and Analysis, Poznao University of Life Sciences, Mazowiecka 48, 60-623 Poznan, Poland b Institute of Food Technology of Plant Origin, Poznao University of Life Sciences, Wojska Polskiego 31, 60-624 Poznao, Poland c Department of Physics and Biophysics, Poznao University of Life Sciences, Wojska Polskiego 38/42, 60-637 Poznao, Poland * Corresponding author: Krzysztof Dwiecki, Department of Food Biochemistry and Analysis, Poznao University of Life Sciences, Mazowiecka 48, 60-623 Poznan, Poland. Phone: +48-61- 848-73-65, e-mail: krzysztof.dwiecki@up.poznan.pl Running Title: Association colloids with sinapic/ferulic acid in oil Keywords: rapeseed oil, reverse micelles, association colloids, sinapic acid, ferulic acid, critical micelle concentration, lipid oxidation Abbreviations: CMC - critical micelle concentration, DOPC – 1,2-dioleoyl-sn-glycero-3- phosphocholine, FA – trans-ferulic acid, k q - fluorescence quenching rate constant, Ksv - Stern-Volmer constant, NBD-PE (N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)-1,2-dihexadecanoyl- sn-glycero-3-phosphoethanolamine, triethylammonium salt), PCA- principal component analysis, SA - sinapic acid, τ 0 - fluorescence lifetime