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Why Does Black Tea Taste Sour After Brewing?

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Precision and Purity: Advancing Tea Quality with Automated Sorting and Cleaning Technology

Precision and Purity: Advancing Tea Quality with Automated Sorting and Cleaning Technology

2026-03-21 17:55:51

The final quality of tea is determined not only by its flavor but also by its visual purity and consistency. This blog explores the critical sorting and cleaning stage of tea processing, detailing how modern winnowing, sifting, and color sorting technologies eliminate impurities and grade leaves with incredible precision. Learn how automating these steps can drastically increase your factory’s output while meeting the highest international food safety standards.

The Science of Preservation: Optimizing Efficiency with Advanced Tea Drying Technology

The Science of Preservation: Optimizing Efficiency with Advanced Tea Drying Technology

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Drying is the final and critical stage in tea manufacturing that locks in flavor, aroma, and essential nutrients. This blog delves into the technical requirements of the drying process and explains how transitioning to modern automated drying systems can maximize factory throughput while ensuring consistent leaf quality. Discover the advantages of high-capacity chain plate and rotary drying solutions.

Efficiency in Tea Processing: How Modern Tea Rolling Machines Transform Production

Efficiency in Tea Processing: How Modern Tea Rolling Machines Transform Production

2026-03-21 17:51:34

Rolling is a pivotal stage in tea manufacturing that defines the leaf's shape and flavor profile. This blog explores the importance of the rolling process and how upgrading to high-efficiency rolling machines can significantly reduce manual labor while maintaining premium quality. Learn how modern mechanical rolling optimizes cell-breaking and juice extraction for a superior brew.

From Leaf to Powder: The Ultimate Guide to Professional Matcha Production Processes

From Leaf to Powder: The Ultimate Guide to Professional Matcha Production Processes

2026-03-21 16:51:30

Matcha is not just ground green tea; it is the result of a rigorous, multi-step artistic and scientific process. This blog explores the essential stages of matcha manufacturing—from specialized shading and steaming to the critical final grinding. Discover how advanced milling technology, like high-mesh ball mills, transforms Tencha into the vibrant, silky powder prized worldwide.

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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.