Est. 1956 · The Order The independent guide to oolong: the partly oxidized teas, and how to brew them. Oolong.biz
THE ORDER OF THE SEVENTH STEEP SEMPER PARTIM OXIDATUM The Order of the Seventh Steep
The Order of the Seventh Steep
OOLONG
Semper Partim Oxidatum Always partly oxidized

Tagged: taiwan

Article · Health & Science

The 1987 Paper That Invented GABA Oolong Was About Blood Pressure

The tea sold today for stress relief and better sleep began as a 1987 Japanese food-science paper aimed at hypertension. That claim has real, if modest, human trial evidence behind it. The calm claim now on the label rests on thinner proof, and on a molecule no human study has shown reaches the brain at all.

Jul 10, 2026
Article · Regions & Origin

Both Tieguanyin origin legends fail the record; a cutting explains the tea

Tieguanyin carries two competing origin stories, a farmer's dream and a scholar's gift to an emperor. Chinese tea scholarship itself has already ruled on which one holds up, and the real, documented history is stranger than either.

Jun 24, 2026
Article · Regions & Origin

Gaoshan and the Clampdown

A gaoshan oolong is grown above 1,000 meters, in fog that slows the bush and concentrates the cup. Taiwan has also spent two decades tearing illegal gardens off the slopes above that line. Here is how the tea is actually grown, and why the government keeps pulling gardens off the mountain.

Jun 10, 2026
Article · Regions & Origin

Jin Xuan and the milk that isn't milk

Genuine milk oolong gets its creamy note from a bred cultivar, Jin Xuan, not from added milk. But a lot of what is sold under that name is flavored, and the difference is checkable before you buy.

May 28, 2026
Article · Brewing & Gongfu

Gongfu Cha Was Never a Ceremony

The word means skill, not ritual. What Chaoshan does at the table, who styled it into a performance, and who built a two-thousand-seat theater around it.

May 14, 2026
Article · Regions & Origin

An Oolong Cultivar Takes Two Decades to Earn a Number, and Longer to Reach a Nursery

An oolong cultivar clears a fixed government pipeline of field trials, roughly fourteen to twenty-one years, before it earns a number, then a separate license before any nursery can sell it. Taiwan's newest release traces its parent stock back to the 1960s.

Apr 17, 2026
Article · science

In One Taiwanese Tea, the Bite Mark Is the Flavor

Oriental Beauty oolong is made only from tea leaves a small leafhopper has already bitten. The plant's response to that bite is now mapped to a single gene switch, and it is not the same chemistry a shaken, unbitten leaf ever produces.

Mar 20, 2026
Guide · Regions & Origin

Oolong and Geographical Indication

A protected name is not a quality grade. What geographical-indication protection actually certifies for Wuyi yancha, Anxi Tieguanyin, and Phoenix Dancong, why Taiwan's oolongs sit outside that system entirely, and why an American shop can sell fake "Tieguanyin" legally, not because no protection exists, but because none of the four names has ever filed for the one the US offers.

Guide · Regions & Origin

Oolong Grades and Cultivars

Oolong carries four different things called a grade: a national sensory tier, a government cultivar registration, a trade aroma-type name, and a competition award. The canonical account of what each one actually certifies, and what it does not.

Guide · Regions & Origin

The History of Oolong

Oolong was not invented once. Two Fujian counties still dispute the original break from green tea, Guangdong's Phoenix mountains claim a separate and older founding legend, Taiwan received the method by migration a century later, and the word "oolong" itself only reached print in the 1850s. The documented record, region by region.

Guide · Regions & Origin

Oolong Regions and Origins

The canonical geography of oolong across its four classic origins: the Wuyi cliffs and Anxi in Fujian, the Phoenix mountains of Guangdong, and the high mountains of Taiwan, with the terroir, cultivars, and elevations that separate them.