Extractive Compounds of Betulaceae Family Birch Buds (Betula pendula Roth.): V. Composition of Triterpene Seco-Acids

摘要

The composition of the hydrocarbon extract of Betula pendula buds (Betulaceae) has been investigated. The following acids were identified in the extract: betulonic, moronic acid; 3,4-seco-olean-4(24)-en-19-on-3-oic; 28-acetooxy-3,4-seco-olean-4(24),13(18)-diene-3-oic; (20S)-hydroxy-3,4-seco-dam-mara-4(28),24-diene-3-oic, and (19R)-hydroxy-3,4-seco-taraxasta-4(24)-en-3-oic. Gas chromatography retention indices were determined for all the identified compounds.