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Molecules. 2009 Jun 4;14(6):2016-31. doi: 10.3390/molecules14062016.

Pentacyclic triterpene distribution in various plants - rich sources for a new group of multi-potent plant extracts.

Author information

1
Carl Gustav Carus-Institute, Am Eichhof 30, D-75223 Niefern-Oschelbronn, Germany. sebastian.jaeger@carus-institut.de

Abstract

Pentacyclic triterpenes are secondary plant metabolites widespread in fruit peel, leaves and stem bark. In particular the lupane-, oleanane-, and ursane triterpenes display various pharmacological effects while being devoid of prominent toxicity. Therefore, these triterpenes are promising leading compounds for the development of new multi-targeting bioactive agents. Screening of 39 plant materials identified triterpene rich (> 0.1% dry matter) plant parts. Plant materials with high triterpene concentrations were then used to obtain dry extracts by accelerated solvent extraction resulting in a triterpene content of 50 - 90%. Depending on the plant material, betulin (birch bark), betulinic acid (plane bark), oleanolic acid (olive leaves, olive pomace, mistletoe sprouts, clove flowers), ursolic acid (apple pomace) or an equal mixture of the three triterpene acids (rosemary leaves) are the main components of these dry extracts. They are quantitatively characterised plant extracts supplying a high concentration of actives and therefore can be used for development of phytopharmaceutical formulations.

PMID:
19513002
PMCID:
PMC6254168
DOI:
10.3390/molecules14062016
[Indexed for MEDLINE]
Free PMC Article

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