Abstract
The compositions of lipids and lipophilic constituents from seeds of Symphytum officinale L. (Boraginaceae Juss., comfrey) were studied. Neutral and polar lipids were identified and quantified. The fatty-acid composition was determined. It was found that the greatest amounts of polyunsaturated fatty acids (PUFA) were concentrated in total NL (57.6%, including 16% γ-linolenic acid) and triacylglycerides (56.5%). A fraction with 99% PUFA, including 72% γ-linolenic acid, was obtained as clathrates with urea. Lipophilic constituents, i.e., sterols, were identified.
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