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Bioactive lipids and antioxidant properties of wild Egyptian Pulicaria incise, Diplotaxis harra, and Avicennia marina
Faculty
Agriculture
Year:
2009
Type of Publication:
Article
Pages:
239-245
Authors:
Ramadan, M. F, Amer, M. M. A, Mansour, H. T, Wahdan, K. M, El-Sayed, R. M, El-Sanhoty, S, El-Gleel, W. A
DOI:
10.1007/s00003-009-0300-0
Journal:
JOURNAL FUR VERBRAUCHERSCHUTZ UND LEBENSMITTELSICHERHEIT-JOURNAL OF CONSUMER PROTECTION AND FOOD SAFETY BIRKHAUSER VERLAG AG
Volume:
4
Research Area:
Food Science \& Technology
ISSN
ISI:000270740400003
Keywords :
Pulicaria incise, Diplotaxis harra, Avicennia marina, Fatty acids, Sterols, Tocopherols, Phytochemcials, Antioxidants
Abstract:
Fatty acids, sterols and tocopherols profile of Pulicaria incise, Diplotaxis harra and Avicennia marina grown wild in Egypt were investigated. Linoleic acid followed by palmitic and oleic acids were the major fatty acids in P. incise. Oleic followed by stearic were the main acids in D. harra, while palmitic followed by oleic were the major fatty acids found in A. marina. Sterol markers of P. incise were campesterol followed by stigmasterol and beta-sitosterol. In D. harra beta-sitosterol followed by stigmasterol and Delta 5-avensterol were the major sterols, while campesterol followed by beta-sitosterol and Delta 7-avensterol were main sterols of A. marina. Tocopherols were also estimated in high levels, wherein delta-tocopherol was the main tocopherol in all plants. Antioxidant properties of methanolic extracts of the plants were compared with methanolic solution of butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and ascorbic acid during thiocyanate assay. Moreover, methanolic extracts of the whole plants exhibited strong antiradical potential against DPPH radicals. Information provided by the present study is of importance for further investigations of P. incise, D. harra and A. marina and utilization of these plants as a raw material of bioactive compounds.
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