Molecules 2013, 18(8), 9207-9218; doi:10.3390/molecules18089207
Article

In Vitro Antiprotozoal Activity of Triterpenoid Constituents of Kleinia odora Growing in Saudi Arabia

1 Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia 2 Department of Pharmacognosy, Faculty of Pharmacy, Sana'a University, P.O. Box 33039, Sana'a, Yemen 3 Laboratory for Microbiology, Parasitology and Hygiene (LMPH), Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, Antwerp University, Antwerp B-2610, Belgium
* Author to whom correspondence should be addressed.
Received: 15 July 2013; in revised form: 28 July 2013 / Accepted: 29 July 2013 / Published: 31 July 2013
(This article belongs to the Section Natural Products)
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Abstract: Two lupane and four ursane triterpenes, namely epilupeol (1), lupeol acetate (2), ursolic acid (3), brein (4), 3β 11α-dihydroxy urs-12-ene (5) and ursolic acid lactone (6) were isolated from aerial parts of Kleinia odora and identified. Compounds 1 and 36 were isolated for the first time from K. odora. The triterpene constituents were investigated for antiprotozoal potential against erythrocytic schizonts of Plasmodium falciparum, intracellular amastigotes of Leishmania infantum and Trypanosoma cruzi and free trypomastigotes of T. brucei. Cytotoxicity was determined against MRC-5 fibroblasts to assess selectivity. The ursane triterpenes were found to be active against more than one type of the tested parasites, with the exception of compound 6. This is also the first report on the occurrence of ursane type triterpenes in the genus Kleinia and their antiprotozoal potential against P. falciparum, L. infantum, T. cruzi, and T. brucei.
Keywords: Kleinia odora; triterpenes; antiplasmodial; antileishmanial; antitrypanosomal

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MDPI and ACS Style

Al Musayeib, N.M.; Mothana, R.A.; Gamal, A.A.E.; Al-Massarani, S.M.; Maes, L. In Vitro Antiprotozoal Activity of Triterpenoid Constituents of Kleinia odora Growing in Saudi Arabia. Molecules 2013, 18, 9207-9218.

AMA Style

Al Musayeib NM, Mothana RA, Gamal AAE, Al-Massarani SM, Maes L. In Vitro Antiprotozoal Activity of Triterpenoid Constituents of Kleinia odora Growing in Saudi Arabia. Molecules. 2013; 18(8):9207-9218.

Chicago/Turabian Style

Al Musayeib, Nawal M.; Mothana, Ramzi A.; Gamal, Ali A.E.; Al-Massarani, Shaza M.; Maes, Louis. 2013. "In Vitro Antiprotozoal Activity of Triterpenoid Constituents of Kleinia odora Growing in Saudi Arabia." Molecules 18, no. 8: 9207-9218.

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