Evaluation of oil quality indices of five olive cultivars in Tarom region of Zanjan

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Akbari Farhad; FOTOUHI GHAZVINI REZA; TAHERI MEHDI; MOHAMMADI ARASH

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Journal: Iranian Journal of Horticultural Science Year:2019 | Volume:49 | Issue:4 Page(s): 925-937

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Title

Evaluation of oil quality indices of five olive cultivars in Tarom region of Zanjan

Author(s)

Akbari Farhad | FOTOUHI GHAZVINI REZA | TAHERI MEHDI | MOHAMMADI ARASH | Issue Writer Certificate

Keywords

Fatty acidsQ1

oleic acidQ2

peroxide valueQ1

sterol compoundsQ1

total phenolQ1

Abstract

Olive oil is one of the oldest known vegetable oils and ranking sixth source in the world production. Many factors, particularly the cultivar and climate affect olive oil quality. Therefore, present study was conducted to evaluate the oil qulity of five olive cultivars in Tarom olive research station of Zanjan based on completely randomized design with three replications in 2016. Fruits of Zard, Kalamata, Kayssi, Koroneiki and Arbequina cultivars were harvested at 3-4 maturity index and immediately after harvest oil extraction was performed and some qualitative characteristics of olive oil were evaluated. Results showed that among the studied cultivars, Kayssi had the lowest iodine and peroxide value, and at the same time had the highest K232, total carotenoid, total phenol, oleic acid and also oleic to linoleic acid ratio of olive oil. Moreover, in the evaluation of the fatty acid composition of olive oil, it was revealed that Koroneiki had the highest eicosenoic acid, arachidic acid and Linoleic acid. The highest amount of cholesterol and Δ 7-avenasterol was observed in Zard cultivar, while Kalamata had the highest stigmasterol, β-sitosterol and Δ 5-24-stigmastadienol. According to the obtained results, among the studied cultivars according to quality of olive oil Kayssi cultivar can introduce as a suitable cultivar for Tarom weather conditions.

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APA: Copy

Akbari, Farhad, FOTOUHI GHAZVINI, REZA, TAHERI, MEHDI, & MOHAMMADI, ARASH. (2019). Evaluation of oil quality indices of five olive cultivars in Tarom region of Zanjan. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(4 ), 925-937. SID. https://sid.ir/paper/148346/en

Vancouver: Copy

Akbari Farhad, FOTOUHI GHAZVINI REZA, TAHERI MEHDI, MOHAMMADI ARASH. Evaluation of oil quality indices of five olive cultivars in Tarom region of Zanjan. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;49(4 ):925-937. Available from: https://sid.ir/paper/148346/en

IEEE: Copy

Farhad Akbari, REZA FOTOUHI GHAZVINI, MEHDI TAHERI, and ARASH MOHAMMADI, “Evaluation of oil quality indices of five olive cultivars in Tarom region of Zanjan,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 4 , pp. 925–937, 2019, [Online]. Available: https://sid.ir/paper/148346/en

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