Has antimicrobial activity against Gram-positive bacteria B.subtilis (MIC=150 ug/ml) and S.aureus (MIC=170 ug/ml), and against Gram-negative bacteria E.coli (MIC=170 ug/ml) and P.aeruginosa (MIC=169 ug/ml). Monomer. Found in the liquid endosperm contained in green fruit of coconut palms, also known as coconut water (at protein level).