Abstract
Pentacyclic triterpene alcohols, together with their acetate, myristate, and palmitate esters, comprise about 40% of the petroleum ether extract of the fruit (seed and pericarp) of twoJurinea species. All the triterpene esters and a porition of the free triterpene alcohols in theJ. anatolica extract are derived from the pericarp portion of the fruit. The triterpene alcohol moieties and their approximate percentage of the hydrolyzed extract ofJ. anatolica fruit are α-amyrin, 5%; β-amyrin, 6%; lupeol, 6%; and ψ-taraxasterol plus taraxasterol, 16%.J. consanguinea fruit extract yields essentially the same amount of the same five triterpene alcohols on hydrolysis. These concentrations of triterpenoid materials are believed to be the largest found in plant tissues.
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No. Utiliz. Res. Dev. Div., ARS, USDA.
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Mikolajczak, K.L., Smith, C.R. Pentacylic triterpenes ofJurinea anatolic boiss. andJurinea consanguinea DC. Fruit. Lipids 2, 127–132 (1967). https://doi.org/10.1007/BF02530911
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DOI: https://doi.org/10.1007/BF02530911