2013 Cilt 27 Sayı 1

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    Effect of different growing area on triacylglycerol composition of cv. Gemlik olive oil in Turkey
    (Uludağ Üniversitesi, 2013-05-15) Sevim, Didar; Köseoğlu, Oya; Güngör, Ferişte Öztürk
    The origin of Gemlik olive cultivar is Gemlik, district of Bursa. This cultivar has spread rapidly during last years outside of its own origin and olive oil production of Gemlik cultivar, which is used as table olive, has increased dramatically in Turkey. In this research the effect of different growing areas on olive oil purity parameters were studied in the Marmara and Eagen region, during 2009/2010 crop season. To this end sample of Gemlik olive variety were collected from its own origin, Gemlik (Bursa), and tree different extensively growing districts, Akhisar (Manisa), Kemalpaşa (İzmir) and Kuyucak (Aydın). Fruits were processed into oil by using Abencor System. As purity parameters triacylglycerol composition in the oil samples was determined according to International Olive Council. The olive oil TAG (triacylglycerol) content (OOO (triolein) ranging from 33.05 % to 37.19 %, POO (palmitodiolein) 24.56 % to 25.52 %, LOO (diolelinolein) 11.3 % to 12.98 %) were determined. In all analyzed samples the content of trilinolein (LLL) did not exceed the maximum limit of 0.5 % determined by European Comission. Significant difference was determined on POO, LLL and ECN42 (HPLC value) content (P<0.05).