/2/207 · The dried leaves of T. vulgaris were collected from the local market in Riyadh, Saudi Arabia in December 205. It was identified by Dr. Abuzer Ali, Department of Natural Products and Alternative Medicine, Dammam University, and the voucher specimen (voucher number P/M/04) has been deposited to Herbal Unit, Research Center, Prince Sultan Military Medical City, Riyadh, Saudi Arabia.