Catechin

First article: Representative Varieties and Three Aromatic Zones in the Yiwu Tea Area (click to read); Second article: Dongguan Warehouse, Kunming Warehouse, Hong Kong Warehouse, Flavors, White Frost, "Warehouse Manipulation" Issues (click to read); Third article: Storage Cycle Issues for Yiwu Green Bud Tea (click to read); Fourth article: Storing Puer, Pursue Famous Mountain Origins or Quality? Fifth article: Differences in Small Heap Fermentation, Large Heap Fermentation, and Tea Evolution Ripe Tea Techniques? The following is Part Four, focusing on storing Puer, pursuing famous mountain origins or quality? Shi Yun: I would like to express great appreciation for Teacher Li Yang's sharing. A young lady just now wanted to ask President Zheng and Teacher Li Yang about a conversion issue. Zhou Xin: Teacher, regarding storage, for example, Tianmen Mountain, does it mean that as long as its glycoside content is high, and the catechin and caffeine content is low, it suggests that it requires higher humidity? And Menghai tea, with higher catechin and caffeine content, has lower humidity requirements, only forming white frost when humidity exceeds 14%. This is the first time I've heard this, so I want to confirm if my understanding is correct. Zheng Shaohong: Indeed. For instance,…

First Article: The Coordinate Varieties and Three Aromatic Types of the Yiwu Tea Region (click to read); Second Article: Dongguan Warehouse, Kunming Warehouse, Hong Kong Warehouse, Flavor, White Frost, and the Issue of "Warehouse Making" (click to read); Third Article: The Warehousing Cycle for Yiwu Green Bud Tea (click to read); Fourth Article: Storing Pu'er Tea: Pursuing Famous Mountains or Quality (click to read)? Fifth Article: What Are the Differences Between Small Heap Fermentation, Large Heap Fermentation, and the Pu'er Evolution Theory's Ripe Tea Technology? The following is Part Five, focusing on small heap fermentation, large heap fermentation, and the Pu'er Evolution Theory's ripe tea technology. Li Yang: Next, let's talk about ripe tea. Because the last tea we tasted has taken us into another context, jumping into ripe tea. I'm not saying that this is necessarily historical fact, but we can view ripe tea as an attempt to mimic aged tea. If we have the opportunity, we can taste some very old teas and find them excellent, but when you try to make something like that, you realize it would take a lifetime. In such a situation, can we use technical means to directly present certain aspects of aged…