Procariote: toate bacteriile si cianobacteriile- bacterii lactice (Lactobacillus spp., Streptococcus lactis, Leuconostoc spp, Pediococcus spp), bacterii acetice (Acetobacter spp), Bacterii butirice etc
Protiste: Amoeba spp, Paramecium spp., Euglena spp, Giardia spp., Blepharisma spp