Neutralizer Swabs w/ 25000 IU / litre β -lactamase, 0.9% Saline w/ 0.5% Tween 80 and 0.07% Soya Lecithin is recommended for transporting microbial specimens. It is also recommended for determining efficiency
of containers, equipment surfaces, water
miscible cosmetics and inactivation of β-lactam
antibiotics. For optimum results, the time lapse between sample collection and inoculum onto culture
medium should be reduced to the minimum.