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Triterpenoids, essential oil and photo-oxidative 28 → 13-lactonization of oleanolic acid fromLantana camara

Authors
Journal
Phytochemistry
0031-9422
Publisher
Elsevier
Publication Date
Volume
54
Issue
8
Identifiers
DOI: 10.1016/s0031-9422(00)00131-x
Keywords
  • Lantana Camara
  • Weed
  • Verbenaceae
  • Roots
  • Triterpenoid
  • Leaves
  • Essential Oil
  • Terpenes
  • Photo-Oxidation
  • Oleanolic Acid
  • Hepatoprotective

Abstract

Abstract Two novel triterpenoids have been isolated from the roots of Lantana camara L.: 3ß,19α dihydroxy ursan-28-oic acid and 21,22ß- epoxy-3ß-hydroxy olean-12-en-28-oic acid in its methyl ester form. Its leaves have yielded an essential oil which is rich in sesquiterpenes. Oleanolic acid, which is thought to be a hepatoprotective compound, was isolated from L. camara roots and converted into its 28 → 13ß lactone by a facile photo-oxidation reaction.

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