Abstract
This investigation assessed the synergistic effectiveness of alkyltrimethylammonium bromide (ATMB) and chlorhexidine digluconate (CDG) on selected microbes causing red-heat and purple stain degradations on salt-cured hides and leather products. This biological phenomenon ultimately deteriorates the finished leather quality and grounds considerable economic losses for leather industry. In tryptic soy broth, combination of ATMB and/CDG at the concentration of 900/90ppm for predefined time interval of 1, 3, and 6min caused in 0.73, 2.45, and 2.95 log CFU/mL reductions of bacterial cocktail population cell survival, respectively. Whereas in saturated brine solution (SBS), the bacterial cocktail treated with 600/60 and 900/90ppm of ATMB/CDG for 18h resulted ~ 74% and 98% reduction, respectively, in comparison to their respective controls. Furthermore, lessening of individual bacterial cultivations by combined ATMB and CDG in SBS was also elucidated.
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