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180426

EFFECT OF THE CULTIVAR AREA AND VARIETY ON THE FATTY ACID COMPOSITION AND OVERALL QUALITY INDEX (OQI) OF VIRGIN OLIVE OIL

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Last updated: 24 Dec 2024

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Abstract

The aim of this paper was to study the effect of different cultivar areas located in Egypt, (Wady El-Netron, El-Esmalia and El-Arish) and Varieties (Koronaki, Picual and Arbequin) on the quality characteristics (k. FFA, PV, K232 and K270 ) oxidative stability, fatty acid composition, overall quality index and total tocopherols of virgin olive oils of these varieties thus in order to have better knowledge about these properties and components in samples obtained at the same time and the same extraction conditions. These parameters were greatly influenced by the variety and cultivar area, whereas the overall quality index (OQI), fatty acid composition, stability and total tocopherols presented observed differences. These results showed that: Virgin olive oils of these varieties obtained from El-Arish (A) and Wady El Netron (W) areas showed a higher quality compared with the same varieties grown in El-Esmalia (S) area. Also the results appear to confirm the general consensus on the quality of picual virgin olive oil from El-Arish area (A) are generally of high quality compared to arbequin variety when grown in (S) and (A) areas. While koronaki variety obtained from all areas showed intermediate oil quality characteristics . The results showed increased stability and OQI of the studied varieties with increasing oleic acid / linoleic acid ratio.

DOI

10.21608/ejar.2010.180426

Keywords

Virgin olive oil, fatty acid, tocopherols, stability, parameters characteristics and overall quality index (OQI)

Authors

First Name

NAHED M. M.

Last Name

ATTA

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Affiliation

Fats and Oils Research Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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First Name

AZZA A. A.

Last Name

AHMED

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Affiliation

Fats and Oils Research Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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Orcid

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First Name

ADEL Y.

Last Name

GIRGIS

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-

Affiliation

Fats and Oils Research Department, Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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Volume

88

Article Issue

1

Related Issue

24053

Issue Date

2010-03-01

Receive Date

2009-12-21

Publish Date

2010-03-01

Page Start

273

Page End

284

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_180426.html

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https://ejar.journals.ekb.eg/service?article_code=180426

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21

Type

Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

EFFECT OF THE CULTIVAR AREA AND VARIETY ON THE FATTY ACID COMPOSITION AND OVERALL QUALITY INDEX (OQI) OF VIRGIN OLIVE OIL

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Article

Created At

22 Jan 2023