L-Propargylglycine is an inhibitor of the enzyme.l-propargylglycine (LPG) irreversibly inhibited the enzyme from Crotalus adamanteus and Crotalus atrox in a dose- and time-dependent manner.?Inactivation was irreversible which was significantly protected by the substrate l-phenylalanine.?

Lycobetaine acetate is a potential biofungicide against Penicillium roqueforti and Aspergillus niger.2. Ungeremine have strong antibacterial activity against Flavobacterium columnare.

Cesium chloride is considered to be the most toxic of the alkali chlorides inhibit fungal growth.?