Liu Bao's New Rulebook: 180 Days and Seven Grades
Guangxi now requires 180 days of aging before tea can be sold as Liu Bao. What the standard guarantees, what it does not, and how to read the two dates.
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Research, developments and stories from the world of tea.
Boiling Water Doesn't Ruin Green Tea. Timing Does.
A 2026 study brewed eight teas at 80, 90 and 100°C. Most green teas gave up more catechins in boiling water. What changes the cup is how long you steep.
Leggi di piùWhite Tea's Jujube Aroma, Built in 72 Hours
White tea does not need ten years to smell of jujube. A Food Chemistry study produced the aroma in 72 hours of pile-withering, and named the compounds behind it.
Leggi di piùWhat Counts as White Tea? An ISO Standard Decides
White tea's first dedicated international standard has entered its final ballot. Here is what the draft covers, what it excludes, and why leaf-only Shou Mei is at the centre of the definition.
Leggi di piùOne Raw Pu-erh, Six Cities, 13 Years of Storage
One batch of raw pu-erh was stored in six Chinese cities for 13 years. The resulting differences help explain why age alone says so little about how a tea will taste.
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