[Mucinase activity of Helicobacter pylori: application of simplified mucinase test].

: We conducted the simplified mucinase tests about Helicobacters (Helicobacter pylori, Helicobacter felis and Helicobacter mustelae) and Campylobacter jejuni, positive controls were Pseudomonas maltophilia and Pseudomonas cepacia. H. pylori, H. felis and C. jejuni showed low resolution activities for hog gastric mucin, however H. mustelae had no detectable the activities. This enzymatic activity varies considerably by cultural condition of H. pylori, therefore it is difficult to compare the activity about each strain. This simplified mucinase test proved that H. pylori has some adverse effect on gastric mucin.