Tagged: aroma chemistry
Article · Oxidation & Roast
Oolong's Stem Holds More Linalool and Geraniol Than Its Leaf
A 2025 tissue-level study of Tieguanyin found the stem holds more linalool, geraniol and other floral compounds than the leaf. A 2022 study found leaf processed with its stem attached finishes lower in linalool and higher in nerolidol than leaf processed alone.
Article · Oxidation & Roast
A 2025 Study Finds Rainy-Day Picking Cuts Wuyi Rock Tea Aroma
A 2025 GC-MS study found rainy-day-picked Wuyi rock tea carries 40 to 74 percent less floral and fruity aroma compound than sunny-day leaf.
Article · Health & Science
The Old Rule About Spring and Autumn Tea, Tested Against 266 Cups
Anxi trade wisdom credits spring Tieguanyin with the fuller cup and autumn with the better scent. A 2025 study of 266 finished teas checked the chemistry, and found the saying right about direction and nearly silent about how much a buyer should let it decide.