DOI 10.1007/s10600-018-2424-x Chemistry of Natural Compounds, Vol. 54, No. 3, May, 2018 CHEMICAL CONSTITUENTS OF THE SEED CAKE OF Jatropha curcas 1 1 1 1 Xing-Hong Wang, Li Liu, Jiao Li, Yan Liu, 2* 1* Jie-Qing Liu, and Shao-Hua Wu Jatropha curcas, a tropical and subtropical shrub/tree, has been emerging as the most promising biodiesel crop because of its high oil content and ability to grow in wasteland and marginal land [1, 2]. The kernel cake is the major by-product of the Jatropha biodiesel industry. Studying the cake components, especially the toxic ingredients, could contribute to research on its use . However, research on the composition of the cake is not sufficient up to now, and only a few of papers have been published [3–5]. The hot pressed cake (2 t, bought from Yunnan Shen-Yu Company, Chuxiong, Yunnan Province, China) was exhaustively extracted with CH OH (50C, 3 times). Water (100 L) was added to the CH OH extract (200 L), and it was 3 3 extracted again using ethyl acetate (3 times) to get 16 kg crude extract, which was subjected to column chromatography on silica gel eluting with CHCl –MeOH gradient (1:0–0:1) to afford six fractions (Frs.
Chemistry of Natural Compounds – Springer Journals
Published: Jun 7, 2018
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