J Agric Food Chem. 2007 Sep 5;55(18):7489-94.
Identification of TLC markers and quantification by HPLC-MS of various constituents in noni fruit powder and commercial noni-derived products.
Potterat O, Felten RV, Dalsgaard PW, Hamburger M.
A method for measuring characteristic phytochemicals in noni juice, such as iridoids,
scopoletin, rutin, fatty acid glucosides, and anthraquinones, was developed and
validated. (original abstract available at https://www.ncbi.nlm.nih.gov/pubmed/17696360).