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Molecules 2009, 14(6), 2016-2031; doi:10.3390/molecules14062016
Article

Pentacyclic Triterpene Distribution in Various Plants – Rich Sources for a New Group of Multi-Potent Plant Extracts

1,* , 1, 1, 2
 and 1
Received: 22 April 2009; in revised form: 26 May 2009 / Accepted: 3 June 2009 / Published: 4 June 2009
(This article belongs to the Special Issue Triterpenes and Triterpenoids)
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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.
Keywords: lupane; oleanane; ursane; triterpene dry extract; active plant extracts; triterpene distribution lupane; oleanane; ursane; triterpene dry extract; active plant extracts; triterpene distribution
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Jäger, S.; Trojan, H.; Kopp, T.; Laszczyk, M.N.; Scheffler, A. Pentacyclic Triterpene Distribution in Various Plants – Rich Sources for a New Group of Multi-Potent Plant Extracts. Molecules 2009, 14, 2016-2031.

AMA Style

Jäger S, Trojan H, Kopp T, Laszczyk MN, Scheffler A. Pentacyclic Triterpene Distribution in Various Plants – Rich Sources for a New Group of Multi-Potent Plant Extracts. Molecules. 2009; 14(6):2016-2031.

Chicago/Turabian Style

Jäger, Sebastian; Trojan, Holger; Kopp, Thomas; Laszczyk, Melanie N.; Scheffler, Armin. 2009. "Pentacyclic Triterpene Distribution in Various Plants – Rich Sources for a New Group of Multi-Potent Plant Extracts." Molecules 14, no. 6: 2016-2031.


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