S. Vaidehi, G. S. Prasath, J. U. Maheswari, and N. Rajasekar, “HPLC identification of Rutin (3, 3′, 4′, 5, 7-pentahydroxyflavone-3-rhamnoglucoside) from Costus pictus leaves extract and evaluation of its antioxidant activity”, Asian J. Med. Biol. Res., vol. 6, no. 2, pp. 334–339, Jul. 2020.