the basidiomycetous yeast genus cryptococcus contains two medically important pathogens, cryptococcus neoformans and c. gattii [1-3]. c. neoformans is one of the common pathogens in acquired immunodeficiency syndrome (aids), whereas the most cases of diseases due to c. gattii happened in the healthy individuals [2, 4]. c. gattii has a tendency to affect the respiratory and nervous systems of th...

background: shell is one of the most important by-products of shrimp processing methods which can potentially pollute the environment, whereas shrimp shell contain large amounts of chitin and chitosan and can be used as immune and growth stimulator in aquaculture. objectives: the purpose of present study was to investigate the effect of oral administration of chitosan extracted from litopenaeus...