Abstract
Oil extracted from the wild plant of Cistanche phelypaea was analyzed for its fatty acid, sterol, hydrocarbon and tocopherol contents. Total lipids (TL) content was 10 g/kg (on dry weight basis). The majority of fatty acids were of the unsaturated type (50.4 % of total fatty acids), while the saturated (mainly palmitic acid) were about 43.2 % of the total fatty acids. Oleic acid was the dominating fatty acid followed by palmitic and linoleic acids. High amounts of sterols were found in the oil with the main component β-sitosterol. Other phytosterols (e.g. stigmasterol, ∆7-avenasterol and ∆5-avenasterol) were present at approximately equal amounts (6–9 % of total sterols). The main identified hydrocarbon compounds were C21, C26 and C32 constituting about 61.2 % of total hydrocarbons. Small amounts of C12, C18 and C22, however, were also detected. Tocopherol levels were high in the oil (3.36 g/kg oil), wherein β-tocopherol was the main component followed by α-isomer. Both tocopherol components comprised more than 87 % of total vitamin E content in the oil. Furthermore, γ- and δ-tocopherols were detected in small amounts in the oil accounting for 14–16 % of the total vitamin E content. Information provided by the present work will be of importance for food applications and chemotaxonomy of Cistanche phelypaea.
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Ramadan, M.F., Hefnawy, H.T.M. & Gomaa, A.M. Bioactive lipids and fatty acids profile of Cistanche phelypaea . J. Verbr. Lebensm. 6, 333–338 (2011). https://doi.org/10.1007/s00003-010-0648-1
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DOI: https://doi.org/10.1007/s00003-010-0648-1