Maximizing the productivity of olives by using some materials and its impacts on the quality indices of picual olive oil [electronic resource].

Includes reference

The objective of this work was study that the effect using one treatment of (Girdling at first week of January and Kaolin sprayed at rate 5% mid December) and chemical (Calcium carbonate, sprayed at rate 5% mid December, Naphthalene acetic acid at 1OOppm mid December and Boric acid (17. 50%) at 300ppm in first week of March) on oil yield, quality indices, minor components and fatty acids composition of olive Picua/ cv. during seasons 2012- 2013. Yield/tree, fruit weight, seed weight, flesh weight, flesh/fruit weight, flesh/stone, moisture and oil contents (%) were determined. Quality indices (acid value, peroxide value, absorbance at K232nm, K270 nm and ?k, value), sensory evaluation, total polypheno/, tocopherol, bitter index at K225, pigments content, oxidative stability by Rancimat method at 100°C, and Fatty acid composition by GC of virgin olive oil extracted from Picual variety were determined. Key words: Picual cultivar, oil content, Fatty acid composition, polyphenols, oxidative stability.

Summary in arabic.

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