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Information Journal Paper

Title

STUDY THE EFFECT OF REGION ON FRUIT FATTY ACIDS OF FOUR OLIVE CULTIVARS IN LORESTAN PROVINCE

Pages

  93-108

Abstract

 Background and Objectives: Olive (Olea europaea L.) belongs to the Oleaceae family and is an evergreen tree. The olive oil has been an important source of nutrition and medicine for centuries. Olive oil is of highly important due to presence of significant amount of mono-unsaturated fatty acid namely OLEIC ACID and natural antioxidants. On the other hand, natural antioxidants, Phenolic compositions, tocopherol and carotene contribute to oil resistance against oxidation. Different geographical regions with different natural conditions have been different effects on growth of plants and climate conditions can be affected synthesis of chemical matter or secondary metabolites in plants. Therefore, in this study, fatty acids of olive fruit cultivars in three regions of the Lorestan province were investigated by Gas Chromatography (GC).Materials and Methods: This research was conducted in factorial test in based on completely randomized design with two factors: factor A included four cultivars of olive (Konservolia, Sevillana, Manzanilla and Rowghani) and factor B was three different regions of Lorestan province (including Kouhdasht, Khorramabad and Veysian) that were studied in four replication and each replication include three trees. In this study, fruit fatty acids of four olive cultivars were identified using GC. Then part of samples in standard plastic baskets as soon as possible to the laboratory for fatty acids analysis based on Primomo et al. (2002) method. Analysis of variance and mean comparison of traits was performed with Duncan test (P<0.05), cluster analysis with Wards method. Also, principal component analysis was performed with Minitab software.Results: Among the olive cultivars studied in different regions, the highest coefficient of variation was 45.88 and 33.63 percent for GadOLEIC ACID and Arachidic acid, respectively. Mean comparison showed that OLEIC ACID in the studied regions had the highest value relative to other fatty acids and the highest values in the Kouhdasht, Veysian and then Khorramabad regions. LinOLEIC ACID, Stearic acid, Palmitic acid and PalmitOLEIC ACID in Khorramabad regions had a highest value relative to other fatty acids in the studied regions that no significant difference with other regions. The ROWGHANI CULTIVAR in the Kouhdasht had a highest OLEIC ACID (77.20 percent). In aspect OLEIC ACID, Manzanilla and SEVILLANA CULTIVARs hadn’t different with together. Correlation coefficients of fatty acids showed that the OLEIC ACID, had the most significant negative correlation with LinOLEIC ACID (-0.819), palmitic acid (-0.791) and GadOLEIC ACID (-0.772), respectively. Cluster analysis of fatty acids distinguished two groups in 11.16 distances. Distribution diagram cultivars in different regions of the first and second components showed that the distributions of samples on the basis of two main components were consistent with cluster analysis, that samples together with the type and content of fatty acids were similar.Conclusions: The results showed that the quantity and quality of fatty acids in olive cultivars influenced by environmental factors and fatty acid values for each cultivar in each region were different. Finally, among the olive cultivars studied in different regions, the Sevillana in Khorramabad in terms of LinOLEIC ACID, PalmitOLEIC ACID and Myristic acid, the Manzanilla in Veysian in terms of Arachidic acid and Linolenic acid and the Konservolia in Kouhdasht in terms of GadOLEIC ACID, Stearic acid and Palmitic acid and finally the ROWGHANI CULTIVARs in the Kouhdasht region in terms of OLEIC ACID had a highest values. ROWGHANI CULTIVAR in Kouhdasht region had a highest quantity and quality of oil and fatty acid in this research, therefore it can be recommended as ideal cultivar.

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    APA: Copy

    EHTESHAMNIA, A., & ZAHEDI, B.. (2017). STUDY THE EFFECT OF REGION ON FRUIT FATTY ACIDS OF FOUR OLIVE CULTIVARS IN LORESTAN PROVINCE. JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 24(2), 93-108. SID. https://sid.ir/paper/155724/en

    Vancouver: Copy

    EHTESHAMNIA A., ZAHEDI B.. STUDY THE EFFECT OF REGION ON FRUIT FATTY ACIDS OF FOUR OLIVE CULTIVARS IN LORESTAN PROVINCE. JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2017;24(2):93-108. Available from: https://sid.ir/paper/155724/en

    IEEE: Copy

    A. EHTESHAMNIA, and B. ZAHEDI, “STUDY THE EFFECT OF REGION ON FRUIT FATTY ACIDS OF FOUR OLIVE CULTIVARS IN LORESTAN PROVINCE,” JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 24, no. 2, pp. 93–108, 2017, [Online]. Available: https://sid.ir/paper/155724/en

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