C. asiaticum was collected in November month from Cauvery river basin, Thanjavur, Tamil Nadu, India and then trans- ferred to PRIST University, Thanjavur, Tamil Nadu, India. It was taxonomically identified and authenticated by Rev. Dr. S. John Britto SJ, Director, The Rapinat Herbarium and Centre for Molecular Systematics, St. Joseph College (Auton- omous), Tiruchirapalli, Tamil Nadu, India. The voucher spec- imen was deposited at the Rapinat Herbarium and the voucher number is RHCD BP15. The plant was extracted successfully with ethanol by using soxhlet apparatus