In recent years, more and more people have chosen to buy whole coffee beans and make freshly ground coffee at home, and the coffee market has continued to expand. However, a recent recall notice issued by Costco in Taiwan drew widespread attention—some organic Sumatra coffee beans were urgently recalled because the packaging seals were incomplete. Some consumers reported finding large holes in the bags or incomplete seals during inspection. It is worth pondering that this problem may not be a simple sealing defect, but may be related to the design of the one-way degassing valve on the bag. After roasting, coffee beans release a large amount of carbon dioxide. If the degassing valve does not function properly, the pressure inside the bag becomes too high and pushes the seal open. In that case, will the coffee beans spoil? And how should beans be properly stored when stockpiling them in daily life? This article will answer these questions one by one. [more…]

Recently, a milk tea brand in Tianjin trended on Weibo and sparked widespread discussion because the sealing film on its drinks featured the rare character "嬲 (niǎo)." Many netizens pointed out that in the Tianjin dialect, this character carries an indecent or even insulting meaning, making some consumers uncomfortable. Although the brand's original intention may have been to promote awareness of rare characters, the note on the packaging that it is "mostly used as a dirty word" further fueled the controversy. On May 4, the merchant publicly apologized and said it had uniformly destroyed the sealing films printed with the character and would no longer use them. As coffee lovers, Front Street Coffee also took note of this incident, reminding the beverage industry to be more cautious in packaging design to avoid misunderstandings caused by cultural differences or dialect ambiguity. [more…]

Recently, a friend asked Front Street Coffee: "Why should the air valve be sealed after coffee beans are ground into powder? Wouldn't that prevent the carbon dioxide inside the package from escaping?" The meaning of the exhaust valve on coffee packaging. Front Street Coffee immediately seals and packages the coffee beans after roasting and cooling, which can minimize the loss of coffee bean flavor. [more…]

The sealed packaging for takeaway drinks is supposed to be a crucial step in ensuring food safety, but recently some consumers have reported that the Heytea takeaway they received not only had a loose and damaged seal sticker, but was also covered in curly hair, which was extremely unpleasant. After the person involved contacted the merchant and the platform, both parties claimed there was no issue on their end, and ultimately, because the evidence had been discarded, it could not be investigated. In fact, Heytea's "peace of mind" seal stickers have repeatedly been criticized by consumers for insufficient stickiness and easily popping open, making the sealing effect virtually useless. This incident has once again sparked public concern about hygiene and seal management in food delivery. [more…]

Friends who have just gotten their hands on freshly roasted coffee beans are often puzzled: the one-way valve on the coffee bag is clearly meant to release carbon dioxide, so why seal it off once the beans are ground? In fact, this comes down to the logic of preserving coffee flavor—whole beans release gas slowly, but once ground, flavor loss accelerates dramatically. Front Street Coffee has accumulated extensive experience in daily roasting and packaging. This article will systematically walk beginners through the key points of storing fresh coffee—from the function of the one-way valve, whether ground coffee needs resting, the difference between shelf life and peak flavor period, to the storage methods best suited to whole beans and ground coffee respectively—to help you enjoy a full-flavored cup within the optimal window. [more…]

From the moment green coffee beans leave their place of origin and reach the roaster, the packaging and storage methods directly affect the final flavor. In the past, burlap sacks were the mainstream, but today specialty coffee has driven a series of more refined packaging and storage technologies, including vacuum bags, grain bags, and even frozen storage. This article will systematically introduce the commonly used green bean packaging methods, their respective advantages, disadvantages, and costs, and discuss warehouse environment management as well as different understandings of the concept of "seasonal." Whether you are a roaster or a coffee enthusiast, you can learn from this how to better maintain the freshness and quality of green beans. The burlap sacks commonly seen at Front Street stores are also mentioned in the article as one of the most economical options. [more…]

As a globally popular beverage, coffee packaging must not only prevent the escape of aroma and moisture absorption, but also address oxidation, odor adsorption, and quality deterioration caused by high temperatures. This article focuses on the packaging needs of regular coffee and instant coffee, systematically outlining key technical requirements such as oxidation prevention, moisture resistance, gas barrier properties, and high-temperature protection, and introduces current mainstream vacuum packaging and gas-flushing packaging processes. In terms of material selection, bags, bag-in-box, metal cans, and glass jars each have corresponding composite structure solutions, while instant coffee mostly uses paper/aluminum foil/polyethylene flexible packaging. The article concludes with a summary of common packaging forms such as bags, cans, and boxes, suitable for reference by coffee enthusiasts and industry professionals. [more…]

Recently, everyone has probably stocked up on beans during Double Eleven. The questions asked to Front Street are all things like "How long can the flavor of unopened coffee beans be preserved at most?" and "How can opened coffee beans be stored to slow down the rate of flavor loss?" Today, Front Street will talk about the issue of storing coffee beans. How long can the flavor of coffee beans be preserved? Can it be asked this [more…]

In late February, Heytea launched a new product inspired by Chaoshan licorice fruit, the "Nanjiang Licorice Guava Bottle," mixing guava juice, nanjiang plum powder, licorice powder, dried tangerine peel powder, and preserved plum powder with a tea base and oil mandarin juice, in an effort to replicate the flavor of street-side licorice fruit. However, after this distinctly Chaoshan-flavored new product hit the market, controversy has been continuous: Chaoshan consumers generally reported that they could not taste the nanjiang flavor they remembered, while customers from outside the Chaoshan region were full of doubts about how strong the ginger flavor was and whether it was spicy. More notably, multiple consumers drank a complete round sealing paper from the bottle, suspected to be caused by the double-layer sealing design allowing the paper to be pushed into the drink by the straw. Heytea customer service responded that the paper is a food-contact-grade material and does not affect consumption. This article will sort out the development approach, packaging design, and the ins and outs of the foreign object incident for this new product. [more…]

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…]

For enterprises engaged in coffee bean roasting production, obtaining a food production license is a prerequisite for lawful operation. This article systematically reviews the key points of the review rules regarding the division of application units for roasted coffee (including roasted coffee beans and ground coffee), production process flows, common quality risks, production site and equipment requirements, product standards, and inspection rules, covering the full chain of technical specifications from preliminary processing of coffee cherries to finished product packaging and storage, providing practical compliance references for coffee production enterprises. Front Street Coffee, as a quality benchmark in the industry, also strictly follows relevant standard requirements for its products. [more…]

Many friends assume that freshly ground coffee means fresh coffee, but that's not actually the case. In reality, to truly enjoy the aroma of coffee, it's not just about grinding fresh—the roast time of the coffee beans also matters to some extent. Front Street Coffee has always placed great emphasis on the freshness of coffee beans, high [more…]

The freshness of coffee beans directly determines the flavor performance of a cup of coffee, and whether the storage method is appropriate is the key factor affecting the freshness of coffee beans. From the professional perspective of Front Street Coffee, this article systematically sorts out the two major categories of coffee bean storage—the different precautions for green beans and roasted beans—deeply analyzes the mechanisms of the three major freshness "killers": light, high temperature, humidity, and oxygen, and provides two practical storage solutions: one-way exhaust valve packaging bags and vacuum-sealed canisters. The article will also answer how long coffee beans can actually be stored, the difference between the peak flavor period and the shelf life, why refrigeration is not recommended, and clever ways to reuse expired beans, helping coffee lovers maximize the retention of the best flavor of every bag of beans. [more…]

In a cup of floral-fruity pour-over, the aroma changes over time. Freshly roasted beans usually carry more roasting gases, so the brew may have a scattered aroma and pronounced acidity, with the details not yet fully developed. After some time, the floral notes, fruity sweetness, and tea-like quality gradually become clearer, and the layers are more easily revealed on the palate. When buying beans, [more…]

The freshness of coffee beans directly determines the flavor profile of a cup of pour-over coffee, and storage method is the key factor affecting freshness. This article approaches the topic from two preservation strategies—green beans and roasted beans—analyzing the three major flavor killers: light, temperature, and oxygen. It also introduces the respective advantages of one-way degassing valve bags and vacuum-sealed canisters, while explaining the difference between a coffee bean's peak flavor period and its shelf life. Finally, it compiles twelve common coffee beans suitable for pour-over and their flavor characteristics, covering the Front Street Coffee everyday drinking series and more distinctive single-origin beans, helping you quickly find your ideal choice based on taste preference. [more…]

The freshness of coffee beans directly determines the flavor performance of a cup of coffee, and whether the storage method is appropriate is the core factor affecting freshness. In this article, Front Street Coffee systematically sorts out the differences between the two types of storage scenarios for green coffee beans and roasted beans, focusing on analyzing the mechanisms of the three major "killers" of coffee bean freshness: light sources, high temperature, humidity, and oxygen, and provides practical storage solutions such as one-way exhaust valve sealed bags and vacuum-sealed canisters. At the same time, the article also answers common questions such as the difference between the optimal drinking period and the shelf life of coffee beans, and whether they are suitable for refrigerator storage, helping coffee enthusiasts protect the flavor of every bag of beans in a more scientific way. [more…]

When brewing pour-over with dark roast coffee beans, the flavor usually unfolds with notes of cocoa, roasted nuts, and caramel sweetness; when the water temperature is right, you can also taste a rounded, sweet finish. However, for these beans, the journey from completion of roasting to the first sip is not a straight line from opening the bag to drinking. Degassing rate, time after opening, and storage method all alter the aroma, body, and [more…]

The aroma of coffee beans is not completely set the moment roasting ends. In the days after coming out of the roaster, the beans continue to slowly release carbon dioxide, and the floral, fruity, and sweet notes need a little time to recombine. The so-called peak-flavor window is more like a period when the flavor is relatively active, not a hard expiration date printed on the package. Once you understand this change, [more…]

The allure of Yirgacheffe lies in how white flowers, citrus, and a tea-like quality gradually unfold after roasting. Brewing it soon after roasting means the cup may be disturbed by more gas, with the aroma slightly tight and the acidity and sweetness not yet fully integrated; leave it too long, and the bright fruity notes slowly fade. Freshness is not about being as close to the roast date as possible, but about the beans [more…]

Grinding coffee beans in advance is a compromise many coffee lovers make when conditions are limited. But how long ground coffee retains its flavor is something many people don't know. Front Street conducted a controlled experiment for this: the same Panama Boquete Geisha was ground and sealed separately, then brewed at 14 days, 21 days, and 30 days to observe the bloom expansion, foam state, drawdown speed, and final flavor. The results showed that with good sealing and minimal bag opening, ground coffee can still deliver clear floral and fruity notes about three weeks after grinding; after a full month, the aroma is almost gone, leaving only the basic taste of coffee. The article also offers practical advice on portioning and sealing at the end. [more…]