Has antimicrobial activity against Gram-positive bacteria B.subtilis (MIC=76 ug/ml) and S.aureus (MIC=80 ug/ml), and against Gram-negative bacteria E.coli (MIC=82 ug/ml) and P.aeruginosa (MIC=79 ug/ml). Monomer. Found in the liquid endosperm contained in green fruit of coconut palms, also known as coconut water (at protein level).