In-vitro screening of DPPH free radical scavenging activity of freeze-dried extract of Crateva adansonii DC. stem bark decoction (Lunuwarana pothu kalan 12 Kashaya): Nallaperuma D.M.* and Jayasiri A.P.A. SLJIM [Internet]. 2024Jul.30 [cited 2024Nov.5];9(1):820-4. Available from: http://sljim.fim.cmb.ac.lk/journal/index.php/sljim/article/view/143