Journal of Analytical, Bioanalytical and Separation TechniquesJournal of Analytical, Bioanalytical and Separation TechniquesJournal of Analytical, Bioanalytical and Separation TechniquesJournal of Analytical, Bioanalytical and Separation Techniques2476-1869Ommega Online PublishersNew Jersey, USA106010.15436/2476-1869.16.1060Research ArticleEffect of extraction solvent on the recovery of bioactive substances of dry salted olivesEffect of extraction solvent on the recovery of bioactive substances of dry salted olivesHayette LouailecheLaboratoire de Biochimie Appliqu eacute e Facult eacute des Sciences de la Nature et de la Vie Universit eacute de Bejaia Bejaia Alg eacute rieEditor* E-mail: haylouaileche@yahoo.fr
The authors have declared that no competing interests exist.
20162209201611JABST-16-RA-106024082016170920162016Creative Commons Attribution LicenseThis is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. nbsp emsp emsp Extraction of phenolic compounds from olive processed with dry salt was studied Extraction experiments were carried out by investigating the effect of solvent acetone ethanol and methanol and it concentration 50 - 90 on the recovery of bioactive substances phenolic compounds and flavonoids and the antioxidant activity reducing power and radical scavenging activity against stable DPPH radical of the extracts The results showed that the nature and the concentration of solvent affect significantly p lt 0 05 the phenolic content and antioxidant activities of olive extracts The highest content of total phenolics 2 75 g 100 g was recorded with 50 acetone while the highest flavonoid contents were obtained in both 50 and 70 ethanol 1 07 g 100 g Furthermore the extracts of 50 acetone exhibit the best antioxidant activity However the strongest antiradical activity was achieved with 50 ethanol 776 mg 100 g On the other hand the antioxidant activity was found to be positively correlated with bioactive substances 10