email

Why Does Black Tea Taste Sour After Brewing?

Home > News > Tea Industry NewsWhy Does Black Tea Taste Sour After Brewing?

Hot Products

news

Mechanical vs. PLC Ball Mill: Which Powder Grinder Fits Your Production?

Mechanical vs. PLC Ball Mill: Which Powder Grinder Fits Your Production?

2026-05-14 16:23:07

Discover the key differences between mechanical and PLC-controlled ball mills. Learn which grinder suits your powder and matcha processing needs, and upgrade your production line today.

Premium Electric Matcha Stone Mill Grinder DL-6CYMJ-50: Wood Grain Base & 0-38 RPM

Premium Electric Matcha Stone Mill Grinder DL-6CYMJ-50: Wood Grain Base & 0-38 RPM

2026-04-30 17:17:25

Discover the upgraded DL-6CYMJ-50 matcha stone mill grinder featuring a premium wood grain base, adjustable 0-38 RPM, and smart electric lifting. Achieve ultra-fine 800# matcha effortlessly with zero waste.

Deli Agricultural Machinery Wows Attendees with New Matcha Stone Mill Innovations at 2026 Xiamen International Tea Packaging Design Exhibition

Deli Agricultural Machinery Wows Attendees with New Matcha Stone Mill Innovations at 2026 Xiamen International Tea Packaging Design Exhibition

2026-04-19 13:24:17

Quanzhou Deli Agricultural Machinery showcases its new matcha stone mill series (Black Gold, Bluestone, and ball mill models) at the 2026 Xiamen Tea Expo, earning high praise from global tea industry professionals.

How to Troubleshoot Uneven Moisture Content During Tea Drying

How to Troubleshoot Uneven Moisture Content During Tea Drying

2026-04-17 08:08:18

Discover technical solutions for uneven moisture in tea drying. Learn how to troubleshoot airflow, calibrate sensors, and optimize batch loads for perfect tea processing.

Contact us

Quanzhou Deli Agroforestrial Machinery Co., Ltd.
If you want know more about our products, please send email to us : info@delijx.com. You also can send message to our WeChat or WhatsApp : 0086-17750811550

Why Does Black Tea Taste Sour After Brewing?

2022-02-18 14:37:24

 Black tea is loved by tea lovers because of its bright soup color, mellow and sweet taste, and fragrant flowers and fruits, which also makes the process of drinking tea full of comfort for tea lovers. However, if the brewed black tea does not have the original floral and fruity aroma, and does not have the sweet and sweet soup feel, but is replaced by a sour and sour taste, it will greatly affect the tea farmers' sales of tea and the reputation.  
The possibility of black tea sourness is divided into three types: improper black tea production process, improper storage, and improper brewing. You can analyze them one by one, find out the possibility of black tea sourness one by one, and solve the problem from the source.
Among the reasons for the sourness of black tea soup, the improper black tea process is the most common reason. The red packet production process is roughly divided into four steps, first withering, then rolling, then fermentation, and finally drying.
This process and steps all have extremely high requirements on temperature, humidity, ventilation, etc. If there is a little error in the details, it is likely to cause "improper fermentation" and the tea soup will become sour.

Next, I will analyze and provide solutions for you one by one.