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Kutubkhanah (كتبخانه) Planetarium Negara - Katalog

Tuesday 18 June 2019

Bump Mark: A Bio-Reactive Food Expiry Level

Sumber artikel disusun oleh: Bahagian Data Strategik Dan Teknologi Masa Hadapan, Kementerian Tenaga, Sains, Teknologi, Alam Sekitar Dan Perubahan Iklim (MESTECC).

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The Inspiration
I wanted to create a solution for enabling visually impaired consumers to gain expiry information about their food, as currently the only indication is a printed date. From the start, I knew that the solution must appeal to sighted people also, because the sad reality is that new solutions only get implemented by companies if the benefits are useful to the majority.

How It Works
The solution is simple: The label gives tactile information, so when it is smooth, your food is fresh. If you start feeling bumps, then it's time for the bin.

So how does it work? Gelatine is set over a bumpy plastic sheet. Because jelly is solid when it sets, the bumps cannot be felt at first. As the gelatine decays, it becomes a liquid when it expires. This means that the bumps underneath can be felt, letting you know that it has expired.

Why gelatine? Gelatine is protein, so it decays at the same rate as protein-based foods. The label simply copies what the food in the package is doing, so the expiry information is going to be far more accurate than a printed date.


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