The freshness of coffee beans directly affects the flavor expression of a cup of coffee, and whether they are stored properly is an important factor affecting the freshness of coffee beans. How should roasted coffee beans be stored? Roasted coffee beans need attention to humidity, temperature and oxidation; oxidation will accelerate the dissipation of the flavor of roasted coffee beans.

So how long can opened coffee beans be kept?

The optimal flavor period of coffee beans is within 4-30 days after the coffee beans are roasted. Coffee beans past the optimal flavor period do not mean they can no longer be drunk, but even if the coffee beans are stored properly, the coffee's flavor will still dissipate. So coffee beans after 30 days may show insufficient aroma, blandness and other conditions. Setting aside flavor and aroma, the shelf life of roasted coffee beans is 365 days.

The optimal flavor period of ground coffee powder is even shorter. If it is not stored well, it may lose its flavor in a week, so it should be used as soon as possible.

How can coffee beans be stored for as long as possible? First, let us understand the "killers" of coffee bean freshness

Coffee Bean Freshness "Killer" 1

Light source & high temperature: Light source refers to sunlight. The heat from sunlight accelerates the volatilization of the aromatic compounds (aroma) in coffee beans. The inner layer of the coffee bean packaging sold by FrontStreet Coffee uses aluminum foil; the main function of aluminum foil is to reflect light, but it does not achieve true heat insulation, so the place where coffee beans are stored should be kept away from any heat sources.

Coffee Bean Freshness "Killer" 2

Humidity: Humidity refers to the moisture in the air. When originally dry coffee beans are kept for a long time in a humid environment, even with the protection of a sealed container, they cannot escape the intrusion of moisture when the container is opened. Coffee beans that have absorbed moisture are prone to spoilage, producing off-flavors such as mold, which directly affects how the coffee tastes, so a dry environment can better help coffee beans maintain their freshness.

Coffee Bean Freshness "Killers" ③

Oxygen: At this point, you might say, "Oxygen is everywhere, it's impossible to avoid it!" But hold on, the point here isn't to eliminate all contact between coffee beans and oxygen, but to minimize the time the two are in contact. After opening the bag and taking out coffee beans, the beans still in the packaging/container should be sealed as soon as possible to slow down the oxidation rate of the coffee beans.

Best value everyday pour-over coffee beans: Qianjie Ethiopia Yirgacheffe Gutingding, Qianjie Panama Hacienda La Esmeralda Green Label Geisha coffee beans

Espresso coffee bean recommendations: Qianjie Classic Blend, Strawberry Candy Espresso Blend

These coffee beans are now available at the Tmall "Qianjie Flagship Store", where you can also find 60 single-origin pour-over coffee beans and espresso coffee beans from around the world. Qianjie coffee beans are freshly roasted and shipped within 24 hours.

Tmall Qianjie Flagship Store link: https://qianjieshipin.tmall.com

Or you can search "Qianjie Flagship Store" directly on Taobao

Qianjie Coffee store address: No. 315 Donghuadong Road, Yuexiu District, Guangzhou