Summary
Fractions containing Δ5- and Δ7-sterols, 4-methyl-sterols, triterpenic alcohols, tocopherols and hydrocarbons were isolated by TLC from petroleum ether extracts of the haulm and tuber sprouts of cv Désirée. Sterol and triterpenic alcohol fractions of unsaponifiable lipids of the haulm and tuber sprouts were found to contain twelve sterols and four triterpenic alcohols, respectively. 24R-4-stigmasten-3-on, Δ7, Δ7, lanosterol, cycloeucalenol and obtisufoliol have not been identified previously in unsaponifiable lipids from haulm and sprouts. In the hydrocarbon fractions of the haulm extract, C23-to C33-n-parafins, C19-and C31-cyclohexyl hydrocarbons, C22-to C38-olefins and squalene were identified, and in the hydrocarbon fractions of the tuber sprouts C12-to C26-olefins and squalene were identified.
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Stanković, M., Stojanović, O. & Kobilarov, N. Unsaponifiable lipids from haulm and tuber sprouts of potato (Solanum tuberosum L.). Potato Res 33, 459–464 (1990). https://doi.org/10.1007/BF02358023
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DOI: https://doi.org/10.1007/BF02358023