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Molecules 2012, 17(9), 11185-11198; doi:10.3390/molecules170911185
Article

In Vitro Antioxidant Activity Potential of Lantadene A, a Pentacyclic Triterpenoid of Lantana Plants

1
,
2
,
3
,
1
,
1
 and
1,*
1 Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Pulau Pinang 11800, Malaysia 2 School of Biological Sciences, Universiti Sains Malaysia, Minden 11800, Penang, Malaysia 3 Dental Research & Training Unit and Oral Cancer Research and Coordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia
* Author to whom correspondence should be addressed.
Received: 9 August 2012 / Revised: 8 September 2012 / Accepted: 11 September 2012 / Published: 19 September 2012
(This article belongs to the Section Natural Products)
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Abstract

Lantadenes are pentacyclic triterpenoids present in the leaves of the plant Lantana camara. In the present study, in vitro antioxidant activity and free radical scavenging capacity of lantadene A was evaluated using established in vitro models such as ferric reducing antioxidant power (FRAP), 2,2-diphenyl-1-picryl-hydrazyl (DPPH•), hydroxyl radical (OH•), nitric oxide radical (NO•), superoxide anion scavenging activities and ferrous ion chelating assay. Interestingly, lantadene A showed considerable in vitro antioxidant, free radical scavenging capacity activities in a dose dependant manner when compared with the standard antioxidant in nitric oxide scavenging, superoxide anion radical scavenging and ferrous ion chelating assay. These findings show that the lantadene A possesses antioxidant activity with different mechanism of actions towards the different free radicals tested. Since lantadene A is a very popular drug in modern medicine, it is a promising candidate for use as an antioxidant and hepatoprotective agent.
Keywords: antioxidant activity; free radical; lantadene A; triterpenes antioxidant activity; free radical; lantadene A; triterpenes
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Grace-Lynn, C.; Darah, I.; Chen, Y.; Latha, L.Y.; Jothy, S.L.; Sasidharan, S. In Vitro Antioxidant Activity Potential of Lantadene A, a Pentacyclic Triterpenoid of Lantana Plants. Molecules 2012, 17, 11185-11198.

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