Table 1.

Plants which are known to contain cysteine proteinases with potential anthelmintic activity

Species	Enzymes known to be contained
Papaya	papain, chymopapain, caricain, glycyl endopeptidase
Fig	ficin, ficain
Pineapple	ananain, fruit bromelain, stem bromelain, comosain
Kiwi fruit	Actinidain
Egyptian milkweed	Asclepain
Cowhage	mucunain [108]