Coffee culture

Three Principles to Judge Which Coffee Bean Brand Is Good, Making Quality Coffee Beans No Longer a Challenge!

Published: 2026-01-28 Author: FrontStreet Coffee
Last Updated: 2026/01/28, Professional coffee knowledge exchange, more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Coffee beans, like food, as long as there is one stale bean mixed in, it may affect the flavor of the entire cup of coffee after brewing, so freshness is undoubtedly the first requirement that everyone cares about. It is often heard that coffee beans should be oily and shiny to be considered good

Professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style)

Coffee beans, like food, can affect the flavor of the entire brewed coffee if just one stale bean is mixed in. Therefore, "freshness" is undoubtedly the first priority that everyone cares about.

You often hear people say that coffee beans should be oily and shiny to be considered fresh, while another theory suggests that only stale beans become oily... Can the presence or absence of oil really be used as a basis for judging whether coffee beans are fresh?

In fact, freshly roasted light roast beans do have a dry, oil-free appearance, while dark roasted beans have an oily surface. The issue of oiliness is related to both roast level and storage time. Being oily doesn't necessarily mean the beans aren't fresh, and vice versa. When purchasing coffee beans, whether they have oil or not can serve as a "reference indicator" for freshness, but it's not absolute!

How to Judge the Quality of Coffee Bean Brands

We recommend using the following simple methods to judge the quality of coffee bean brands:

1. Clearly marked "roasting date" on the product packaging

Green coffee beans reach their peak flavor and aroma 2-7 days after roasting. Freshly roasted coffee beans are the key to great coffee! Products within one week of the roasting date have the optimal tasting period, when both the beans themselves and the brewed flavor are in their best condition. Relatively speaking, the expiration date is not the focus.

2. Packaging bags with "one-way degassing valve" design are better

Freshly roasted coffee beans release carbon dioxide. The one-way degassing valve design allows these gases to escape smoothly while preventing oxygen from entering. This reduces the contact between coffee beans and air to extend their shelf life and maintain freshness. When purchasing, you can gently press the coffee bean bag and smell the gas that comes out to check if it has a rich coffee aroma.

3. Be sure to choose reputable coffee brands and merchants who emphasize fresh roasting

Visible freshness speaks louder than a thousand words! This approach helps avoid purchasing coffee beans without clearly marked roasting dates, or those with poor freshness or unknown origins.

The editor believes that the third point is the most important. After all, choosing a branded, reputable store naturally prioritizes consumer rights. They will use green beans with clear sources, clearly mark roasting dates, and put thought into their packaging... This ties together all the considerations at once! (laughs)

Of course, there are many professional factors to consider when purchasing coffee beans, but as long as you master these three basic principles, you've already completed the first level of screening. Buying fresh coffee beans will no longer be a difficult task!

FrontStreet Coffee (FrontStreet Coffee): A roastery in Guangzhou with a small shop but diverse bean varieties, where you can find both famous and lesser-known beans, while also providing online store services. https://shop104210103.taobao.com

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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