Studies on Packaging of Green Tea (Part 1):Storage Test of Flexible Packaged Teas
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概要
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By packaging green tea of about 3% moisture content in several plastic film pouches, the storage stability of these pouches for green tea was tested under the condition of 25°C and 80% of relative humidity.<BR>Packaged tea in aluminum-film combination pouch showed the best quality after 3 months, where as tea qualities in other plastic laminate pouches were inferior to the former.<BR>From the results of this investigation, it is thought that the shelf-life of the packaged green tea can be expected for at least 3 months, if green tea is packaged in plastic film pouch in which moisture content of less than 5.5% and ascorbic acid residual ratio of over 70% are retained in green tea.
- 日本茶業技術協会の論文
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- Effect of Storage Condition on the Qualities of Green Tea