In 1997,
the US-FDA granted ozone the status Generally Recognized as
Safe (GRAS) (US-FDA, 1997) and in 2001 it received full US-FDA
approval as a direct contact food sanitizing agent (US-FDA, 2001).
Since then, the number of studies evaluating its application in the
food industry has rapidly increased. In previous studies, ozone
treatments have been shown to result in reduction of Botrytis
cinerea (grey mould) on strawberries (Nadas et al., 2003),