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Freshness-preserving packaging bag for raw noodles or rawhide, packaging containing raw noodles or rawhide, and freshness-maintaining method for raw noodles or rawhide
Freshness-preserving packaging bag for raw noodles or rawhide, packaging containing raw noodles or rawhide, and freshness-maintaining method for raw noodles or rawhide
PROBLEM TO BE SOLVED: To provide a packaging technique capable of keeping freshness of raw noodle or raw noodle skin for a long period of time while keeping appearance of raw noodle or raw noodle skin.SOLUTION: A freshness-keeping packaging bag is used for storing raw noodle or raw noodle skin as a content, where the freshness-keeping packaging bag is formed of a synthetic resin film and the raw noodle or raw noodle skin is stored as the content in an internal space of the freshness-keeping packaging bag, a water vapor permeation amount A of the package per 100 g of the content at 40°C and 90%RH is 1 [g/100 g day] or more and 20[g/100 g day] or less, and a water vapor permeation amount B of the synthetic resin film per a thickness of 10 μm at 40°C and 90%RH is 100[g/mday] or more and 1,000[g/mday] or less.SELECTED DRAWING: None
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