Zetmeel/PVA folie waarschuwt en vermindert voedselbederf

Researchers at the China Agricultural University developed an intelligent starch/polyvinyl alcohol (PVA) film that is capable of monitoring pH changes and inhibiting undesired microbial growth in foods.
The film showed a distinguishable change of colors as it was immersed in solutions of pH ranging from 1.0 to 14.0. Moreover, the film showed excellent antimicrobial activity for 3 typical undesired microorganisms in foods. Finally, the film exhibited good color indication and antimicrobial activity on pasteurized milk. The results suggest that the film shows good capability for both alerting and inhibiting food spoilage. An article about the research is published in Carbohydrate Polymers.
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