(1)Three factors that affect coffee beans: temperature/humidity/sunlight
(2)Best coffee tasting period: coffee beans for four weeks, coffee powder for a week
(3)Shelf life of coffee beans in vacuum packaging: about 24-28 months in vacuum cans. Flexible film vacuum packaging for 12 months, to minimize physical and chemical changes in coffee, packaging is a very important knowledge. Because of the smaller contact with air, coffee beans are easier to preserve in quality and flavor than ground coffee powder, so in order to maintain coffee aroma, try to start grinding when brewing coffee. Ground coffee powder can be stored in a freezer (below zero temperature) storage box if it is not in an airtight container.
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