Ab-Hcy of S. serrata showed bacteriolytic as well bacteriostatic activity against Gram´s +ve and Gram´s –ve bacteria.
Agglutinated with B. flexus N3 E. coli, V. harveyi and V. vulnificus and also rat with human O RBCs.
Oxidized L-DOPA and this activity are inhibited by the known PO inhibitors phenylthiourea and tropolone.