Published August 1930. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This study was carried out to compare the effects of a quaternary
ammonium compound (QAC) upon strains of Pseudomonas aeruginosa
which were either sensitive or resistant to the germicide. The cationic
QAC used was alkyldimethylbenzylammonium chloride. The resistant
types were isolated from the sensitive population by selection
of mutants which...
The concentrations of iodophor necessary to reduce the activity
of several metabolic enzyme systems 50 percent was used as the
basic approach in attempts to elucidate the mechanism of germicidal
action of iodine. For comparisons, a chlorine-releasing germicide
(Trichlorocide) and a quaternary ammonium compound were also
tested. It was found...
Pacific oysters (Crassostrea gigas), Alaska pink salmon (Oncorynchus gorbuscha) roe and chum salmon (Oncorynchus keta) fillets were treated with aqueous ozone in both pilot plant and commercial settings to determine its effect on shelf-life and microbial changes. The microbial quality was analyzed by conducting pyschrotrophic and coliform plate counts on...
Wine has recently been shown to be a possible protective agent against
microbial foodbome illness. The chemical environment of wine makes it difficult, if
not impossible, for microorganisms to survive. The low pH, high concentration of
organic acids, relatively high ethanol concentrations, and the potential for high levels
of sulfur...