Using green solvents as co-solvent in supercritical carbon dioxide extraction: A promising source of extracts rich in antioxidants and antimicrobials agents
Hamza bouakline , Imane Ziani , Meryem Idrissi Yahyaoui , Francesco Corrias , Asehraou Abdeslam , Ali El Bachiri
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引用次数: 0
Abstract
Investigation of supercritical CO2 extraction and CO2 mixture with "modified" co-solvent (10%) as an environmentally friendly technology for the extraction of bioactive compounds from fresh and dried leaves of Pistacia lentiscus. The different Pistacia lentiscus leaves extracts were obtained at 150 bar, 45 °C, the ethanol and water were utilized as co-solvents to support the polarity of supercritical carbon dioxide extraction (SFE-CO2). The extraction efficiency, chemical compositions, total phenols and flavonoids content, antioxidants and antimicrobials activities have been compared using the both approach the pure CO2 and modifier CO2, for the fresh and dried Pistacia lentiscus leaves. As results, concerning the extraction yield, chemical composition, and total polyphenol and flavonoid content exhibited significant variations. As well as the SFE-CO2 extracts modified by water showed important antioxidants activity compared to simple SFE-CO2 extraction. In adverse the pure SFE-CO2 extraction showed important antimicrobials activity compared to the SFE-CO2 extracts modified by co-solvent.
期刊介绍:
Sustainable Chemistry and Pharmacy publishes research that is related to chemistry, pharmacy and sustainability science in a forward oriented manner. It provides a unique forum for the publication of innovative research on the intersection and overlap of chemistry and pharmacy on the one hand and sustainability on the other hand. This includes contributions related to increasing sustainability of chemistry and pharmaceutical science and industries itself as well as their products in relation to the contribution of these to sustainability itself. As an interdisciplinary and transdisciplinary journal it addresses all sustainability related issues along the life cycle of chemical and pharmaceutical products form resource related topics until the end of life of products. This includes not only natural science based approaches and issues but also from humanities, social science and economics as far as they are dealing with sustainability related to chemistry and pharmacy. Sustainable Chemistry and Pharmacy aims at bridging between disciplines as well as developing and developed countries.