1. R & D Division, Sreedhareeyam Farmherbs India Pvt. Ltd, Kerala, 686 662, India
2. Division of Plant Molecular Biology and Biotechnology, Department of Bioscience, Rajagiri College of Social Sciences, Kochi, Kerala, 683 104, India
3. Division of Phytochemistry and Drug-Design, Department of Bioscience, Rajagiri College of Social Sciences, Kochi, Kerala, 683 104, India