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Pak. J. Bot., 44(4): 1241-1245, 2012.

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FLAVONOIDS DISTRIBUTION IN SELECTED MEDICINAL PLANTS OF MARGALLA HILLS AND SURROUNDINGS

AMIR MUHAMMAD KHAN¹, RIZWANA ALEEM QURESHI², FAIZAN ULLAH², ZABTA KHAN SHINWARI³ AND JAFAR KHAN⁴

Abstract: The present studies comprise the distribution of important flavonoids amongst the selected 13 medicinal plants viz., Woodfordia fruticosa, Adhatoda vasica, Chenopodium ambrosoides, Viburnum cotinifolium, Euphorbia hirta, Vitex negundo, Peganum harmala, Broussonetia papyrifera, Taraxacum officinale, Urtica dioica, Verbascum thapsus, Caryopteris grata and Mimosa rubicaulis collected from Margalla Hills for their authentication. Kaemferol was only detected in Verbascum thapsus. Myrcetin was detected in Woodfordia fruticosa, Viburnum cotinifolium, Euphorbia hirta, Vitex negundo and Broussonetia papyrifera. Catechin was detected in Woodfordia fruticosa , Chenopodium ambrosoides and Caryopteris grata. Vitexin was found absent in all the plants under study except Adhatoda vasica, Chenopodium ambrosoides and Peganum harmala. Orientin was detected in Woodfordia fruticosa, Adhatoda vasica, Viburnum cotinifolium, Euphorbia hirta, Vitex negundo, Peganum harmala, Urtica dioica and Caryopteris grata. Rutin and Kaempferol-7-neohesperoside were detected only in Broussonetia papyrifera. Quercitin was detected in Euphorbia hirta, Verbascum thapsus, Caryopteris grata and Mimosa rubicaulis. Luteolin was common among all the species.

¹Department of Botany, Kohat University of Science & Technology Kohat, Pakistan

²Department of Plant Sciences, Quaid-i-Azam University Islamabad, Pakistan

³Department of Biotechnology, Quaid-i-Azam University Islamabad, Pakistan

⁴Department of Microbiology, Kohat University of Science & Technology Kohat, Pakistan

Corresponding author’s e-mail: khanamirm@yahoo.com