OLIV-003: The Changes of Triacyl Glycerol Profiles in Oils of New Turkish Olive Hybrids (Manzanilla x Ayvalık, Manzanilla x Uslu and Gemlik x Gordal) Developed by Controlled Crossbreeding Method

Olive breeding, covering clonal selection and controlled crossbreeding methods, is the one of important ways in improvement of virgin olive oil quality. This investigation based on Triacyl glycerol (TAG) profile was carried out with totally 13 hybrids and 2 parents during 2015 – 2019 (four) crop years and these new olive genotypes were obtained by a controlled crossbreeding method from “Manzanilla , Uslu and Ayvalık” (table & oily) [6 hybrid samples + 3 parents] “and “Gordal and Gemlik” (table) [3 hybrid samples + 2 parents] economically domestic olive varieties. The oil extraction of olive hybrides and parent samples, grown in the same pedoclimatic conditions (Kemalpaşa – Izmir/ Turkey), was carried out by Abencor centrifugation method (ACM, a small laboratory scala equipment developed based on three phase centrifugation. TAG composition data (important major fractions: LOO, OOO, POO, PLO and minor component LLL) in the oil of hybrid and parent samples was determined according to the HPLC – RID method described in Eurepean Union Commision (EUC) and Turkish Food Codex. The major TAG’s changes of all oil samples for 4 crop years were the changes of the TAG profile and their parameters during four harvest years (2015–2019) were found in this order as group means: OOO 27.86 – 43.58 % [ Manzanilla x Ayvalık combination ], 33.07 – 36.31 % [Manzanilla x Uslu samples] and 24.89 – 39.77 % [Gemlik x Gordal hybrids]; POO 16.73 – 22.33% [ Manzanilla x Ayvalık combination ], 11.89 – 21.79% [Manzanilla x Uslu samples] and 18.31 – 27.53 % [Gemlik x Gordal hybrids]; LOO 11.49 – 13.90 % [Manzanilla x Ayvalık combination], 9.33 – 17.40 % [Manzanilla x Uslu samples] and 11.16 – 16.36 % [Gemlik x Gordal hybrids]; PLO 4.69– % – 9.53 % [Manzanilla x Ayvalık combination], 5.07 – 7.34 % [Manzanilla x Uslu samples] and 4.23 – 9.09% [Gemlik x Gordal hybrids]; and LLL (trilinolein) alterations, the most important minor TAG compontent, were found 0.09– % – 0.25 % [Manzanilla x Ayvalık combination], 0.08 – 0.40 % [Manzanilla x Uslu samples] and 0.11 – 0.55% [Gemlik x Gordal hybrids]

This study is a part of the Project (TAGEM/HSGYAD/16/A05/P01/102). supported by TAGEM

Euro Fed Lipid e.V.
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