What Chemical Changes Occur During Tea Storage?
During storage and transportation, tea undergoes various chemical changes that lead to quality deterioration. Key components like polyphenols, amino acids, lipids, pigments, and aromatic compounds are unstable and prone to oxidation when exposed to oxygen. This results in color fading, loss of aroma...
Tea News · Nov 08, 2025
Does Handling Tea Leaves with Bare Hands Accelerate Deterioration?
When brewing tea daily, we often pay great attention to tea sets like teapots and cups but neglect the method of taking tea leaves. Improper handling can surprisingly damage tea quality. Tea is highly susceptible to moisture and odors. Our hands, exposed to various environments daily, inevitably car...
Tea News · Sep 28, 2025
How is the aroma of Pu-erh tea formed?
The aroma of Pu-erh tea is formed through a combination of factors, including the precursor substances present in the tea leaves, such as terpenes, aromatic hydrocarbons, carotenoids, amino acids, and sugars. The variety of the tea tree, regional differences, climate, sunlight, soil environment, and...
Tea News · Sep 14, 2025
How to Store Pu-erh Tea at Home?
Pu-erh tea is a post-fermented tea, and for tea enthusiasts, purchasing the tea is just the first step—proper storage is crucial. Pu-erh tea has the characteristic of improving with age, but this requires an environment suitable for its transformation. For general households, storing Pu-erh tea can...
Tea News · Aug 16, 2025
Tea has become damp and soft, here's how to deal with it
If tea becomes damp and soft, it is prone to deterioration if stored further. To address this, you can use a household oven or frying pan to remove moisture from the tea, ensuring there are no odors in the equipment and mastering the baking time through experience. After drying, let the tea cool com...
Tea News · Aug 08, 2025
Does tea expire? Let's find out!
Tea, as an agricultural product, does have a shelf life, though it varies by type. Packaged tea typically lasts 12-24 months, while loose tea has a shorter lifespan due to exposure to air and moisture. Some teas like Pu-erh improve with age, while others like green tea are best consumed fresh. Signs...
Tea News · Aug 06, 2025
Can Raw Tea and Ripe Tea Be Stored Together?
Raw tea and ripe tea, both belonging to the Pu-erh tea category, differ significantly in their production processes and characteristics. Raw tea is naturally aged without artificial fermentation, offering a stronger and more astringent taste, while ripe tea undergoes fermentation, resulting in a mil...
Tea News · Aug 01, 2025
Does new tea really have 'fire energy'?
As the season for new tea arrives, discussions about its 'fire energy' resurface. Ancient texts and modern science both acknowledge this phenomenon. Traditional Chinese Medicine attributes it to the 'warming' nature of freshly processed tea, while modern research links it to molecular changes like h...
Tea News · Jul 25, 2025
How to Store Pu-erh Tea for Appreciation in Value?
Pu-erh tea is known for improving with age, as the fermentation process enhances its flavor and value over time. Proper storage is crucial for optimal aging. Key factors include maintaining good air circulation (without direct wind exposure , a stable temperature (20-30°C , and moderate humidity (av...
Tea News · Jul 17, 2025
From the Buds and Leaves of Pu-erh Tea, Experience the Mysterious World of Aroma!
Newly harvested Pu-erh raw tea and Pu-erh raw tea stored for a period of time exhibit significant differences in aroma. To accurately identify the aroma types of Pu-erh raw tea, a thorough understanding and grasp of these types are essential. The aroma types of Yunnan large-leaf sun-dried raw tea pr...
Tea News · Jul 17, 2025