Disclosed are the compositions comprising bioactive components Oroxylin A, Baicalein, Chrysin, and their glucuronides Oroxylin A-7-glucuronide, Baicalein-7-glucuronide and Chrysin-7-glucuronide, isolated from the bark of Oroxylum indicum, and the process of isolating the said bioactives.L'invention concerne les compositions comprenant des composants bioactifs Oroxyline A, Baicaléine, Chrysine et leurs glucuronides Oroxyline A-7-glucuronide, Baicaléine-7-glucuronide et Chrysine-7-glucuronide, isolés à partir de l'écorce de Oroxylum indicum, et le procédé d'isolement desdits produits bioactifs.