email

Tea Roasting: Techniques, Functions, Equipment & Top English Blogs

Home > News > Tea Industry NewsTea Roasting: Techniques, Functions, Equipment & Top English Blogs

Hot Products

news

Electrostatic Dust Removal Cleaner Machine | Tea Leaf Impurity Separator DL-6CJDCZ Series

Electrostatic Dust Removal Cleaner Machine | Tea Leaf Impurity Separator DL-6CJDCZ Series

2026-07-17 18:18:47

Our DL-6CJDCZ series electrostatic dust removal cleaner machine efficiently removes tea dust, fiber and foreign impurities with 90%-96% cleaning rate. 3/5/8 roller models support 300-400kg/h capacity, 380V industrial voltage, ideal for tea primary processing factories.

Food-Grade Matcha Ball Mill for Large-Scale Powder Production

Food-Grade Matcha Ball Mill for Large-Scale Powder Production

2026-07-11 17:33:24

Learn how food-grade matcha ball mills support large-scale powder production with enclosed grinding, consistent fineness, higher capacity, and hygienic processing.

How Is Matcha Ground? Stone Milling & Grinder Guide

How Is Matcha Ground? Stone Milling & Grinder Guide

2026-07-11 17:26:57

This guide explains how tencha is ground into matcha, why traditional stone milling remains important, how grinding speed and particle size affect the finished powder, and what buyers should consider when selecting a commercial matcha grinder. It also introduces the DL-6CYMJ-32 black granite matcha stone mill for premium small-batch production.

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.

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

Tea Roasting: Techniques, Functions, Equipment & Top English Blogs

2025-10-27 11:20:08

1. Tea Types: Roasting Details & Functions

  • Green Tea: 80-90℃ (electric pan), 30-45mins; stir every 15mins to avoid scorching . Function: Inactivates polyphenol oxidase to retain grassy freshness and green hue.
  • Black Tea: 110-120℃ (gross fire, 15mins) → 85-95℃ (full fire, 10-20mins); cool 2hrs between stages . Function: Triggers theaflavin formation for rich, malty flavor.
  • Oolong (Yancha): Charcoal ashes heated 12hrs to white; 90-120℃, 4-36hrs (3 rounds max); flip every 30mins . Function: Develops "yan yun" (rock aroma) and reduces vegetal notes.
  • Pu’er: 60-70℃ (low-fire), 2-4hrs; spread 2cm thick . Function: Removes mustiness without destroying aging potential.
  • White Tea: 70-80℃, 1-2hrs; no stirring . Function: Preserves natural sweetness while evaporating excess moisture.

2. Core Functions

Evaporates 15-20% moisture (extends shelf life), inactivates enzymes (fixes flavor), and induces saccharification (adds sweetness) .

3. Equipment

  • Home: Purple Cloud Bamboo Roaster (110V, 30-120℃ adjustable, 500g batch) .
  • Commercial: Hondapack Rotary Roaster (electric/gas, ±1℃ precision, 50kg/batch); Delijx Gas Pot (20kg/batch, 360° heating) .

4. English Blogs

  • Valleybrook Tea: Step-by-step Wuyi oolong charcoal roasting .
  • Purple Cloud Tea House: Home roaster unboxing & troubleshooting .
  • Tea Epicure: Science of roasting (e.g., enzyme kinetics) .

5. Recommended English Books

  1. 《The Book of Coffee and Tea》(2nd Ed.)
    • Authors: Joel Schapira et al.
    • Publisher: St. Martin’s Griffin (1996)
    • ISBN: 9780312140991
    • Core: 313-page guide covering tea roasting techniques, flavor chemistry, and equipment .
  2. 《The Harney & Sons Guide to Tea》
    • Author: Michael Harney (Master Blender)
    • Publisher: Harney & Sons (272 pages)
    • Core: Roasting 工艺 for oolong/black tea, sensory evaluation methods .
  3. 《Tea Baby-Roasting Bible》
    • Source: hello-tea-baby.com (Free E-book)
    • License: Apache-2.0
    • Core: Home roasting tutorials for beginners (temp control, batch sizing) .