were obtained from Kerala Ayurveda Pvt. Ltd., Athani, Kerala, India. The plants were taxonomically identified as ‘A. paniculata (Burm.f) Wallich ex Nees and S. chirayita (Roxb.ex Flem) H.Karst’ by Dr. Ganesh, Associate Professor of Botany, Sree Krishna College, Guruvayur, Kerala, India.