Inactivation of Alicyclobacillus acidoterrestris spores in aqueous suspension and on apples by neutral electrolyzed water.

Int J Meals Microbiol. 2014 Aug 18;185:69-72. doi: 10.1016/j.ijfoodmicro.2014.05.022. Epub 2014 Jun 2.

Torlak E1.

Summary

Alicyclobacillus acidoterrestris might be troublesome to manage in fruit juices as their spores survive juice pasteurization temperatures and should subsequently germinate and develop. Contaminated fruits might be thought to be a serious supply of spoilage attributable to A. acidoterrestris in fruit juices. The target of this examine was to judge the efficacy of impartial electrolyzed water (NEW) in lowering the variety of A. acidoterrestris spores in aqueous suspension and on surface-inoculated apples. Its effectiveness was in contrast with that of sodium hypochlorite (SH) options at free chlorine concentrations of 50 and 200mg/L. Viable spore counts in check suspensions had been considerably (P<zero.05) decreased after publicity to NEW (200mg/L free chlorine) for 1 min. Nonetheless, NEW (50mg/L free chlorine) and SH options had been unable to considerably (P>zero.05) scale back the variety of viable spore throughout the identical publicity interval. Greater than 5 log discount in spore counts was achieved by NEW answer containing 200mg/L free chlorine after 5 min of publicity. Publicity to NEW options for three min yielded greater than four log reductions within the variety of viable spores on apple surfaces. On the similar concentrations of free chlorine, NEW was three to greater than ten-fold efficient than SH in lowering viability of A. acidoterrestris spores in aqueous suspension and on apple surfaces. This discovering means that NEW might be thought-about as an efficient disinfectant for the management of A. acidoterrestris on fruits.

KEYWORDS:

Alicyclobacillus acidoterrestris; Apple; Impartial electrolyzed water; Sodium hypochlorite; Spore



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