Purification trials of Tamanu (Calophyllum inophyllum L.) oil Minh Nhat Nguyen, Thanh Dat Le, Bao Viet Nguyen, Thi Ngoc Lan Nguyen, Daniel Pioch and Huynh Cang Mai OCL, 28 (2021) 53 Published online: 24 November 2021 DOI: 10.1051/ocl/2021042