email

Why Green Grass Flavor Of Pu'er Raw Tea?

Home > News > Tea Industry NewsWhy Green Grass Flavor Of Pu'er Raw Tea?

Hot Products

news

Premium Black Gold Stone Matcha Mill Grinder for Cafes and Tea Shops

Premium Black Gold Stone Matcha Mill Grinder for Cafes and Tea Shops

2026-06-26 16:42:22

Introducing our premium black gold stone matcha mill grinder, designed for finer grinding, lower milling temperature, and live matcha powder demonstrations in cafes and tea shops.

New Granite Matcha Stone Mill Grinder for Low-Temperature Green Tea Powder Milling

New Granite Matcha Stone Mill Grinder for Low-Temperature Green Tea Powder Milling

2026-06-26 15:57:46

Discover our newly developed granite matcha stone mill grinder, designed for low-temperature milling to preserve matcha’s vivid green color, aroma, and freshness.

2026 Hangzhou Tea Expo | Continuous 2500 Mesh Tea Ball Mill & Stone Grinders

2026 Hangzhou Tea Expo | Continuous 2500 Mesh Tea Ball Mill & Stone Grinders

2026-06-13 17:27:22

Meet us at the 8th China International Tea Expo 2026 in Hangzhou. We showcase continuous 2500 mesh ball mill line, stainless steel ball mill, bluestone stone mill, black stone mill for premium matcha and tea powder production. Low-temperature, high-fineness, food-grade quality.

The Ultimate Guide to Tencha Processing: Inside a Fully Automated Production Line

The Ultimate Guide to Tencha Processing: Inside a Fully Automated Production Line

2026-06-10 15:53:34

Discover the complete 12-step automated tencha processing line. Learn how Quanzhou Deli Agroforestrial Machinery engineers premium equipment for steaming, baking, and stem separation to produce top-tier matcha raw materials.

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 Green Grass Flavor Of Pu'er Raw Tea?

2022-06-01 11:30:56

The fresh leaves that have just been picked have an obvious green grass gas. This green grass gas has a professional term called green leaf alcohol. Green leaf alcohol has a very obvious feature: low boiling point.
When the green leaves are fixed, most of the green leaf alcohol will be volatilized as the temperature rises, and a small part of it will undergo isomerization and become a fragrant aroma substance.
Therefore, Pu'er raw tea has a heavy green grass flavor, which means that the green leaf alcohol is not completely volatilized when it is green, and it remains in the tea leaves, resulting in a strong green grass flavor.
So the green leaf alcohol is not completely volatilized, what is the reason? The answer is that the fresh leaves were not thoroughly tea fixation when they were green.
This involves the method and temperature of the fresh leaves. If the temperature is not enough, naturally it will not be able to fixaiton and fixation it completely; if the time for fixing is insufficient, it will not be able to fix the cooked and tea fix completely.
In many previous articles, we have explained. The key to fixation the greening of Pu-erh tea is to rapidly increase the leaf temperature to the critical temperature of active enzyme passivation of 85°C within 1 to 2 minutes, and it takes about 3 minutes to ensure that it is fully fried.
If the leaf temperature does not reach 85°C, but is lower such as 80°C, the duration needs to be extended to about 10 minutes. If the temperature is lower, it belongs to low temperature and long frying, which will cause the fermentation of fresh leaves before the occurrence and weaken the aging potential.
Only by killing active enzymes as soon as possible and retaining as many glycosides as possible, can the later aging of raw tea be materially guaranteed.
If you can achieve the standard of tea fixation, evenly and thoroughly, the green flavor will naturally disappear.