| 摘要 |
PURPOSE: A kimchi case for a kimchi storage device is provided to easily detect the aging degree of kimchi without opening the kimchi case. CONSTITUTION: In a kimchi case(4) for a kimchi storage device, an aging indicator(10) is formed at the wall of the kimchi case, and changes an indication according the acidity variation of kimchi contained in the kimchi case. The aging indicator is made of polymer sensitive to acidity.
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