@article {961,
	title = {Chemical Constituents and Biological Studies of Origanum vulgare Linn.},
	journal = {Pharmacognosy Research},
	volume = {3},
	year = {2011},
	month = {June 2011},
	pages = {143-145},
	type = {Short Communication},
	chapter = {143},
	abstract = {<p class="rtejustify">Bioassay-guided isolation of methanolic extract of the leaves of Origanum vulgare Linn., yielded two protocatechuic acid ester derivatives, origanol A (1) and origanol B (2) along with ursolic acid (3), oleanolic acid (4), β-sitosterol (5), and triacontanol (6). Structures of the compound were established based on physical and spectral data (UV, IR, 1H and 13C NMR and mass). Origanol A (1) showed significant mushroom tyrosinase inhibition activity.</p>
},
	keywords = {Origanol A and B, Origanum vulgare Linn., Triterpene acids, Tyrosinase inhibition, β-sitosterol},
	doi = {10.4103/0974-8490.81964},
	author = {Gottumukkala Venkateswara Rao and T. Mukhopadhyay and T. Annamalai and N. Radhakrishnan and M. R. Sahoo}
}
