M. P., Mazura and D., Susanti and M. A., Rasadah (2007) Anti-inflammatory action of components from melastoma malabathricum. Pharmaceutical Biology, 45 (5). pp. 372-375.
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Official URL: http://dx.doi.org/10.1080/13880200701214797
Ethnic folklore or empirical therapeutic uses of plant parts have often provided the early indication of the possibility of discovering some pharmacologically active substance from a plant. Melastoma malabathricum. L. (Melastomaceae), locally known as sendudok putih, is a small shrub. Traditional medicinal uses include diarrhea, dysentery, ulcers, wound care, and piles. In the search for natural compounds useful against anti-inflammatory activity, a.-amyrin, betulinic acid, and isolated flavonoids, including quercetin and quercitrin, were assessed in vitro. by determining their inhibitory effects on platelet activating factor (PAF) binding to rabbit platelets using 3H-PAF as a ligand. The results indicated that quercetin, quercitrin, a.-amyrin, and betulinic acid showed inhibition of PAF receptor binding with IC50 values of 33.0, 45.4, 20.0, and 22.2 µM, respectively. The IC50 values of these compounds were comparable to Cedrol (13.1 µM), which is a known PAF receptor antagonist. These results suggest that natural flavonoid and pentacyclic triterpenes from M. malabathricum. possess selective antagonistic activity toward PAF and could be an attractive candidate as a natural anti-inflammatory compound.
|Uncontrolled Keywords:||anti-inflammatory activity, flavonoid, melastoma malabathricum, pentacyclic triterpene, platelet activating factor (PAF) binding, receptor antagonist|
|Subjects:||Q Science > QH Natural history > QH301 Biology|
R Medicine > RS Pharmacy and materia medica
|Deposited By:||Ms Zalinda Shuratman|
|Deposited On:||30 Nov 2011 03:56|
|Last Modified:||08 Feb 2017 01:13|
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