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Coffee bag one-way exhaust valve what is the role? How long is it suitable for preservation?

Professional barista communication, please pay attention to coffee workshop (Weixin Official Accounts cafe_style) Freshly roasted beans will not extend the best tasting period of coffee (1 month golde...

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Professional barista communication, please pay attention to coffee workshop (Weixin Official Accounts cafe_style) Freshly roasted beans will not extend the best tasting period of coffee (1 month golden period) because they are put into the clamping belt with one-way ventilation holes. One-way ventilation hole packaging...

For professional baristas, please follow the coffee workshop (Wechat official account cafe_style)

Freshly roasted beans do not extend the best coffee tasting period (1 month golden period) because they are placed in a ribbon with an one-way vent.

The packaging design of one-way vent is more suitable for long-term preservation and use after a large number of baking and packaging, such as coffee marked with a validity period of 6 months or 1 year in the supermarket.

The design of one-way vents is mainly to overcome the problem of exhaust of fresh roasted coffee, to prevent the packaging from becoming fat or bursting due to excessive pressure in the bag; after the coffee has completely stopped venting (about 30 days), the air outside the bag will not affect the coffee in the bag, and the preservation period is only six months or one year without opening it at all, but once it is opened, it should be tasted as soon as possible.

When the fresh baked beans are in the exhaust stage, they will naturally play a protective role on the surface of the coffee, even if they are not packaged, they are still not easy to deteriorate, and the coffee in the exhaust is also the most charming moment of aroma, so it is also the charm of freshly baked beans.

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