Hi-tech tool to spot spoilt food

Weekend Argus (Saturday Edition) - - FRONT PAGE -

PEO­PLE of­ten de­cide whether food at the back of the re­frig­er­a­tor is still ed­i­ble by giv­ing it a sniff and look­ing at the “sellby” date.

A multi­na­tional plas­tics com­pany called Braskem wants to bring a lit­tle more sci­ence into the de­ci­sion.

It has de­vel­oped a way to make plas­tic food or bev­er­age con­tain­ers change from one colour to an­other when they re­act to the chang­ing pH lev­els of their con­tents, a sign that cer­tain prod­ucts may be spoil­ing. A new de­tec­tion sys­tem will prob­a­bly re­quire sup­port from not only con­sumers but cost-con­scious re­tail­ers. Braskem ex­ec­u­tives con­tend costs should come down as the tech­nol­ogy gains wide ac­cep­tance.

One way would be if the tech­nol­ogy could help catch food fraud, such as added filler in­gre­di­ents in pet food, and in­crease food safety.

Braskem hopes it can begin de­liv­er­ing the con­tain­ers to stores in two years. – Wash­ing­ton Post

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