Wednesday, September 16 2026

Coffee Bean Buying Guide: Key Points for Judging Freshness, Identifying Quality, and Recognizing Defective Beans

The freshness of coffee beans directly determines the upper limit of the flavor in your cup. Starting from practical buying tips, this article teaches you how to tell whether beans have absorbed moisture or oxidized by squeezing them by hand, chewing them, and smelling their aroma, and explains why freshly roasted beans need to rest for a week before being brewed. At the same time, the article also introduces the consistency differences between single-origin beans and blend beans in terms of particle size and color, as well as the spoilage signal indicated by oil appearing on light-roast beans. In addition, the article lists common types of defective beans, including fermented beans, dead beans, black beans, insect-bored beans, and broken beans, to help you quickly screen out high-quality coffee beans by appearance. It is recommended to buy only as much as you can consume within half a month, and the related products from the Front Street Coffee brand are also worth paying attention to. [more…]

An Introduction to Green Coffee Bean Grades | A Comparison of Coffee Bean Characteristics, Flavor, and Taste Across National Green Coffee Bean Grading Systems: G1, G2, AA, PB, SHB

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). Many friends, while drinking coffee at Front Street, ask our baristas, "What is Yirgacheffe G1 and Yirgacheffe G2?" "What is Kenya AA, AB?" What is Guate... [more…]

Espresso Bean Grind Size | What is the coffee-to-water ratio for extracting espresso from espresso beans? Can espresso beans be used to make pour-over black coffee?

Friends who often follow Front Street should know that Front Street focuses on freshly roasted coffee. Freshly ground coffee is not the same as fresh, and of course, the fresher the better is not always true. Front Street generally provides coffee beans that are two to three days past the roast date. Coffee beans that have rested for a few days can better express their true flavors when brewed. Front Street not only offers single [more…]

The Principles of Coffee Bean Resting | Why Do Coffee Beans Need to Degas and Rest? How to Determine How Long Coffee Beans Need to Rest and Awaken? What Is the Correct Way to Rest Coffee Beans?

Coffee enthusiasts who often pick freshly roasted coffee beans at FrontStreet Coffee know that the optimal flavor period for coffee beans is within one month, while for drip bag coffee it is half a month; does this mean that just-roasted coffee beans are at their freshest? This [more…]

Specialty Coffee Bean Storage | How Long Can Hand-Brewed Single-Origin Beans Be Stored? Can Coffee Beans Be Stored in the Refrigerator? What Factors Affect Coffee Freshness?

Introduction: How long do coffee beans stay fresh? What is the best way to store coffee beans? Should coffee beans be kept in the refrigerator? The freshness of coffee beans directly affects the flavor of a cup of coffee, and proper storage is a key factor influencing their freshness. Front Street Coffee would like to emphasize that there are mainly two ways to store coffee beans. [more…]

Criteria for Judging Espresso Bean Quality | SOE Coffee Beans vs. Espresso Blend Beans: Which Is Better? What Specialty Espresso Coffee Beans Are Recommended for Opening a Coffee Shop?

First, espresso beans—obviously, these are the coffee beans used in espresso machines. In the past, this generally referred to blend beans, but not anymore. Nowadays, it's not just blend beans that can be used as espresso beans; single-origin coffee beans can also be used as espresso beans. Let's first take a look at what blend beans are. Blend beans are made by combining various [more…]

Freezing Coffee Beans for Storage | Should Coffee Beans Be Stored in the Refrigerator? Why Freeze Coffee Beans? How Should Coffee Beginners Store Coffee Beans Daily?

"Front Street Coffee recently noticed a topic in our chat group." How do you all store your coffee beans after buying them? In the fridge! I've seen many coffee experts keep their beans in the fridge. But won't the beans get damp in the fridge? The fridge is dry! (So Front Street Coffee interviewed various coffee beans 🎤) [more…]

Black Coffee Bean Varieties | What's the Difference Between Single-Origin Pour-Over Beans and Espresso Blend Beans? Can Espresso Blend Coffee Beans Be Used for Pour-Over Black Coffee?

With the development of specialty coffee, more and more people are falling in love with single-origin coffee. Two types of coffee have emerged on the market: single-origin coffee beans and blended coffee beans. Single-origin coffee beans are generally used for making pour-over coffee, though many specialty coffee shops also use single-origin coffee beans to make espresso. Blended coffee beans [more…]

A Complete Guide to Coffee Defects: Ten Common Types, Causes, and Identification Methods Illustrated

The content of defective beans directly affects coffee quality and grade classification. Taking Brazil as an example, the local system uses a "deduction method," grading based on the number of defective beans per 300 grams of main beans. In addition, coffee usually requires hand sorting during processing, and only by fully mastering the types and characteristics of defective beans can they be effectively removed. So exactly how many types of defective beans are there? This article will use illustrated explanations to introduce ten common defective beans one by one, including shell beans, stones, moldy beans, fermented beans, dead beans, immature beans, shell beans, insect-damaged beans, black beans, and cocoa beans, explaining their causes, appearance characteristics, and negative effects on coffee flavor, laying the foundation for subsequent learning about defective bean selection. [more…]

SOE Single-Origin Coffee Bean Recommendations | Is There a Big Flavor Difference Between SOE Coffee and Blended Coffee? Is the Coffee Quality of SOE Beans Better Than Espresso Blend Beans?

In the coffee world, when people mention SOE coffee, they are referring to Single Origin Espresso. Spelled out, this English abbreviation is Single Origin Espresso, and its direct opposite is Espresso Blend, which refers to Italian-style blended beans. SOE is like the [more…]

Espresso Blend Bean Flavor Recommendations | What's the Difference Between Espresso Blend Beans and Pour-Over Single-Origin Beans? What Happens If You Use Espresso Beans for Pour-Over Coffee?

With the growing specialty coffee market, many people have begun to explore espresso and pour-over coffee. Coffee enthusiasts who regularly drink espresso know that the coffee beans used for espresso are blended coffee beans, while those used for pour-over coffee are single-origin coffee beans. So what is the difference between the two? Can espresso beans be used to make [more…]

Coffee blend bean plans | What is the difference between single-origin pour-over beans and espresso blend beans? How do you determine the types of espresso blend coffee beans and the blending ratio?

What are blended coffee beans? What is the blending ratio for Front Street Coffee's espresso beans? Which beans are best for blended coffee beans? Recently, a friend asked Front Street Coffee: "Are all coffee beans suitable for making espresso?" No~ not all [more…]

Best Value Specialty Espresso Beans Recommendations | What's the Difference in Flavor Characteristics Between SOE Coffee and Blend Coffee? Which Single-Origin Coffee Beans Are Suitable for Espresso?

In the coffee world, when people mention SOE coffee, they are referring to Single Origin Espresso. Spelled out, this English abbreviation is Single Origin Espresso, and its direct counterpart is Espresso Blend, which refers to Italian-style blended beans. SOE is like a [more…]

Coffee Bean Oil Release | What factors cause roasted coffee beans to become oily? Does coffee bean oil release mean poor coffee quality?

If you often buy beans and brew them at home, you've probably noticed that some coffee beans start to show oil on their surface after sitting for a while. Other beans, no matter how long they're stored, still look dry on the surface. This leads to a rather interesting phenomenon: some people believe that coffee beans [more…]

Characteristics of espresso blend beans | How to distinguish single-origin beans from blend beans? How to blend an espresso bean suitable for making espresso?

Today FrontStreet Coffee would like to share with you the two major categories of coffee beans: single-origin beans and blend beans. Blended coffee, also known as composite coffee, is made by mixing various single-origin coffee beans together, so as to fully bring out the strengths of each single-origin bean. Blend beans [more…]

Coffee blend bean planning | What is the difference between single-origin beans for pour-over and espresso blend beans? How do you determine the types of espresso blend coffee beans and the blending ratio?

What are blended coffee beans? What is Front Street Coffee's espresso blend ratio? Which beans are best for blended coffee beans? Recently, a friend asked Front Street Coffee (FrontStreet Coffee): "Are all coffee beans suitable for making espresso?" No~ not all [more…]

Hand-Brewed Espresso Blend Beans | Can Espresso Blend Beans Be Used for Pour-Over Coffee? Specialty Espresso Blend Coffee Beans Recommended for Gourmet Lattes

Whether it's espresso beans or espresso blends, as the name suggests, they are ingredients used for extraction in espresso machines, which is also the origin of espresso. So what are the characteristics of this kind of coffee? Besides making espresso, can it also be used to make pour-over coffee? Front Street Coffee (FrontStreet Coffee [more…]

Everyday Coffee Beans for Home | What coffee beans are suitable for hand grinding? What single-origin pour-over beans with mild acidity and a sweet aftertaste are recommended?

When you want to buy coffee beans, do you ever feel overwhelmed by a dazzling list of beans? When you go to a coffee shop that roasts its own beans, do you ever feel torn by the dazzling array of coffee beans? No worries! Just remember these few points, and you can easily choose the coffee beans that suit you! "Choose coffee according to your brewing method. [more…]

Coffee Bean Buying Guide | How Can Coffee Beginners Choose Coffee Beans Based on Their Own Needs? Which Is Better, Blended Beans or Single-Origin Beans, and What's the Difference?

Since many friends have only just started out, they are completely clueless about all kinds of coffee jargon. This leaves them at a loss when buying coffee beans, not knowing how to pick beans that suit their taste. But buying coffee beans isn't actually that complicated. As long as we just take a little [more…]