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Virgin Olive Oil Research Paper

773 Words4 Pages

Comprehensive study on the characteristics and authenticity of Egyptian monovarietal coratina virgin olive oil

Abstract
Coratina virgin olive oil obtained from one variety (monovarietal) cultivated in Giza Egypt is usually unique, valuable and have high price, which make it vulnerable to adulteration by cheaper oils. The complete profiles of tocopherols, phytosterols and fatty acid composition of the Egyptian monovarietal coratina extra virgin olive oil were determined using HPLC and GLC to reveal the exact features of this oil which is unique among the other oils. Also, it is planned to detection the purity of monovarietal coratina extra virgin olive oil (CEVOO) adulterated with soybean and sunflower oils. Models of soybean or sunflower …show more content…

The purity and quality parameter is related with specific region and has increasing interest in the origin of geographical area. Some designation for olive oil, namely, Protected Denomination of Origin (PDO) and Protected Geographical Indication (PGI) were established to protect high-quality agricultural products. These labeling mean that the product is produced, processed, or prepared in a certain geographical area with typical characteristics linked to natural factors and environment of these regions6,7. PDO or PGI olive oils are expensive in the market; therefore, can be subjected to adulteration. Adulteration of high-priced monovarietal olive oils is of concern to the food industry due to economical and health benefits. Different olive oil varieties from two different areas of Egypt were studied8, Siwa Oasis and Giza city they found that Coratina, Arbequina and Koroneiki coming from Giza city showed a higher perception of bitterness, spicy and fruity as well as higher content of total tocopherols than the oils of Maraqi and Wattagen coming from Siwa Oasis. This could be explained by considering that Giza city, located on the west bank of the Nile River with an arid climate but also with high humidity due to the River Nile’s Valley effects, demonstrated excellent nutritional characteristics in …show more content…

This work firstly aimed to study the major and minor phytonutrient components of the Egyptian monovarietal Coratina olive oil (CEVOO). Secondly, detect the adulteration of CEVOO with cheaper vegetable oils (soybean and sunflower). It was planned to prepare the simulated adulterated CEVOO with soybean or sunflower oil, at levels of 5, 10 and 20, % w/w. These models were analyzed for profiles of tocopherols, phytosterols and phytostanols as well as fatty acid composition using HPLC and GLC respectively which can help to detect precisely olive oil

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