A spoilage indicator card based on distance-based color change of paper impregnated with acid-base indicator for freshness monitoring of shrimp

Food freshness sensors can help informing consumers regarding the quality of the food. An acid-base indicator card was developed for freshness monitoring of shrimp. This indicator card was prepared by using a filter paper impregnated with purple sweet potato solution at pH 4.5 to detect the color ch...

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Bibliographic Details
Main Authors: Atitaya Suratsawadee, Lungten Wangmo, Thanchanok Ratvijitvech, Atitaya Siripinyanond
Other Authors: Mahidol University
Format: Article
Published: 2022
Subjects:
Online Access:https://repository.li.mahidol.ac.th/handle/123456789/73695
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Institution: Mahidol University