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Testing fresh Cling / Kitchen

Testing fresh Cling

Test paper is blue (alkalinity) before using the wrap. When food are put in the refrigerator, moisture will solidify on the wrap because evaporate. The test paper contacts the moisture will turn red (acidity) if the food was rotten.

University

DA-YEH university

DaYeh University
Changhua, Taiwan

Mi-Cian Huang,
DaYeh University

Yi-Fan Chang,
DaYeh University

Hsu-Tzu Cheng ,
DaYeh University

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