1 Oleanolic acid and Ursolic acid in cell cultures of Lantana camara L. and their activity against Streptococcus mutans Srivastava Priyanka a , Kalita Chandana b , Chaturvedi Rakhi a* a Department of Biotechnology, Indian Institute of Technology-Guwahati, Guwahati, 781039, Assam, India b Regional Dental College, Guwahati Guwahati, 781032, Assam, India * Corresponding Author Dr Rakhi Chaturvedi Department of Biotechnology Indian Institute of Technology- Guwahati Guwahati- 781039, Assam, India Tel: +91-361-2582211 (off) Fax: +91-361- 2582249; 2690762 Email: rakhi_chaturvedi@iitg.ernet.in rakhi_chaturvedi@yahoo.co.uk