A BLAST of electric current is the best way to find out if packaged food is
likely to go mouldy, according to researchers in Australia. They say the
technique could save the food industry millions of pounds.
Food is likely to go off if its wrapping is damaged, since even the tiniest
of holes can allow bacteria in. To look for leaks in food packages,
manufacturers traditionally pump in dyes or gases. But these techniques destroy
the packaging and invariably spoil the food inside.
Now Karlo Jolic and colleagues at Swinburne University of Technology in
Hawthorn, Victoria, have found a…
