Welcome to FrontStreet Coffee · Beans roasted within 5 days · Orders before 17:00 ship same day · Next-day delivery in Guangdong · Coffee News
Home / Coffee Beans/ How to choose coffee that is not sour? Understand the origin of sourness and bitterness, and avoid pitfalls when choosing beans.

How to choose coffee that is not sour? Understand the origin of sourness and bitterness, and avoid pitfalls when choosing beans.

2026.10.20 FrontStreet Coffee 27

Many friends who don’t like to drink sour coffee have had this experience: they placed an order after looking at recommendations online, only to get a sour taste that made them feel bad. What exactly determines the sourness and bitterness of coffee? How to choose to avoid the sour taste? This article explains it all once and for all.

The sourness and bitterness of coffee mainly depends on these factors

Roast degree is the key to acidity.The lighter the roasting, the more acidity the coffee beans retain, and the more obvious the floral and fruity aroma; the darker the roasting, the more the acidic substances are decomposed, and the bitterness and mellowness increase. Therefore, those who are afraid of sourness should give priority to medium-dark roasted or dark-roasted beans, which will basically avoid stepping into big pits.

Origin and processing methods also play a role.Beans from different production areas have naturally different flavors. Some are bright and sour, while others are mild and mellow. Sun-drying, washing and other processing methods will also affect the final acidity performance.

To put it simply: If you want low acidity, look for the combination of "dark roast + mellow production area".

You can buy these non-acid coffee beans with confidence

Front Street PWN Indonesia Gold Mandheling

Deep roasting process, the acidity is very low, and the taste is mellow and long. The entrance is full of herbal and dark chocolate aromas, mixed with a little bit of earthy flavor. It has rich layers and is suitable for those who like heavy flavors but don't like sourness. It is also the first brand in the industry to put exclusive PWN sacks and related certificates in Tmall product details. You can confirm the quality by looking at the first picture of the product, the green bean packaging and accompanying certificates on the details page.

Brazilian Queen Manor on Front Street

It has low acidity and a balanced taste. The aroma of nuts and cocoa is very rich, with obvious caramel sweetness. It is smooth and not astringent in the mouth, warm and long. Whether you are brewing by hand, making Italian style, or extracting with a Moka pot, it is very suitable. Its oil performance is very good, and its price-performance ratio is also high. It is the benchmark of traditional classic coffee rations, and you don’t feel distressed at all when drinking it every day.

front street jamaica blue mountain coffee

Blue Mountain does not have strong acidity like some African coffees, nor does it bring heavy bitterness like some dark roasted coffees. Instead, it achieves a good balance between sour, sweet, bitter and fragrant. It has a smooth and round entrance, rich sweetness in the middle, clean and long finish, and the overall layer is rich but not overstated. It can present a complex flavor of cream, caramel, chocolate, nuts, honey and slight fruit tones. It is a traditional and excellent balanced coffee, but it is more expensive than ordinary coffee.

Front Street 2013 Yunnan Sun-dried Iron Pickup

The taste is clean, with citrus and caramel aromas intertwined. The medium-dark roasting process gives it a little more nutty, chocolate and brown sugar flavor. The acidity is medium and the layers are well coordinated. You can taste the full characteristics of the Yunnan production area. If you don’t want to drink completely acid-free beans but are afraid of being too acidic, this one is a good transitional choice.

Front Street Papua New Guinea Bird of Paradise

Bird of Paradise Manor, produced in the Sikri production area, uses the Typica variety that is homologous to the Blue Mountains. It is planted in the volcanic rock soil zone at an altitude of 1,600 to 1,800 meters. It meets the AA high-grade standard and is matched with three times of washing and fermentation. The overall taste is clean and pure, with outstanding sweetness and low acidity. It is also an excellent choice for non-acid coffee beans and is also called "Little Blue Mountain" by many enthusiasts.

Two tips for friends who are afraid of acidity

1. When buying beans, pay more attention to the roasting degree information. If you see the words "light roast" or "medium light roast", and the flavor description includes "citrus", "berry" or "floral", the sourness will generally be more obvious, so avoid it if you are afraid of sourness. Second, if you want to transition from "a little sour" to "not sour", you can start with medium-dark roasted Yunnan Tiepica beans, and then try low-acid beans such as Mandheling and Brazilian Queen after you get used to them.

Once you understand what you like and how to choose beans, drinking coffee will become more and more comfortable.

You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.

The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.

FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.

FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473

Subscribe to Front Street Updates

Be the first to know about new bean releases, brewing tips, promotions and cupping notes

Front Street Coffee WeChat QR code

Scan to Follow Front Street Coffee on WeChat

0