Korean J Physiol Pharmacol. 2010 Jun;14(3):163-7.
Morinda citrifolia Inhibits Both Cytosolic Ca-dependent Phospholipase A(2) and Secretory Ca-dependent Phospholipase A(2).
Song HS, Park SH, Ko MS, Jeong JM, Sohn UD, Sim SS.

The methanol extract of noni fruit powder inhibited phospholipase A(2) (PLA(2)) isozyme activity in vitro.   This suggests that noni’s anti-inflammatory activity may include inhibition of calcium dependent PLA(2). (view original abstract at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2902808/).