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Milk Oolong

Oolong tea

About this tea

Milk Oolong is the common name for tea made from the Jin Xuan cultivar (officially Taiwan Tea No. 12), a Taiwanese oolong distinguished by a remarkably creamy, buttery aroma and a smooth, lightly floral cup. Despite the name, authentic Jin Xuan owes its milky character to the cultivar itself and to careful, lightly oxidized processing — no milk or dairy is added. The leaves are typically rolled into tight semi-spheres that unfurl through many infusions, giving a pale golden liquor with notes of fresh cream, sugarcane, and gardenia.

How to brew: 88°C, 1.5 min, 3 g per cup.

Caffeine

Medium

How to brew

88°C
1.5 min
3 g per cup

Flavor notes

creamy, floral, sweet

Often associated with

Calm, Sense of well-being

Best time to enjoy

Early afternoon, Mid-afternoon

Tags

CalmFloralSweetSocial

Origin & Production

Taiwan — Nantou (Lugu), Chiayi (Alishan), Yunlin

Jin Xuan is grown widely across Taiwan's tea regions, with the best-known production coming from Lugu in Nantou County (the heart of the Dong Ding tradition) and the high-mountain area of Alishan in Chiayi. It is also planted in Yunlin and increasingly in Vietnam and parts of mainland China. Higher elevations (around 1,000–1,600 m for Alishan) tend to produce a more refined, fragrant cup, while lower-elevation Jin Xuan is rounder and more accessibly priced.

Production process

1

Hand-picking Jin Xuan leaves

Pickers select 'one bud and three leaves' shoots from Jin Xuan (TTES No. 12) bushes. Spring and winter harvests are most prized, with cooler weather concentrating the cultivar's natural lactone-driven creamy aroma.

2

Indoor and outdoor withering

Fresh leaves are first wilted in sunlight, then moved indoors and shaken at intervals on bamboo trays. This gentle bruising starts a controlled oxidation that typically reaches only 10–25% in modern Milk Oolong.

3

Kill-green (sha qing)

When the desired oxidation is reached, the leaves are heated quickly in a tumble dryer or wok to stop enzymatic activity. This locks in the bright, fresh-cream character of the cultivar.

4

Ball-rolling

Leaves are wrapped in heavy cloth and repeatedly compressed and rolled by machine into tight semi-spherical pellets. This Taiwanese rolling style protects the volatile aroma compounds and allows multiple gradual infusions.

5

Light final firing

Most Milk Oolong receives only a very light finish bake to stabilize moisture and round out the flavor without masking the creamy, floral cultivar notes. Heavily roasted versions also exist but are less typical.

Jin Xuan cultivar (TTES No. 12)Light oxidationBall-rolledCreamy aroma

History & Tradition

Milk Oolong is a young tea by Chinese standards — its cultivar was only officially released in the 1980s — but it has quickly become one of Taiwan's most internationally recognized teas.

1
1981

Jin Xuan cultivar released

After more than two decades of work, Taiwan's Tea Research and Extension Station officially released the Jin Xuan cultivar as Taiwan Tea No. 12 (TTES #12), bred for cold tolerance, high yield, and an unusual milky aroma.

2
1980s–1990s

Adoption in Lugu and Alishan

Jin Xuan was rapidly adopted by farmers in Lugu (the Dong Ding heartland) and in the high-mountain area of Alishan, where its hardiness allowed cultivation at altitudes and seasons where older cultivars struggled.

3
1990s

International rise as 'Milk Oolong'

Specialty importers in Europe and North America began marketing Jin Xuan as 'Milk Oolong' (or 'Nai Xiang') because of its naturally creamy aroma, making it one of Taiwan's most exported oolongs.

4
2000s

Flavored imitations spread

As demand grew, some producers — mostly outside Taiwan — began artificially scenting cheaper green or oolong tea with milk flavoring to mimic Jin Xuan. Taiwanese authorities and reputable importers have since worked to distinguish naturally creamy Jin Xuan from flavored versions.

Health Benefits

Calm focus

Like other Taiwanese oolongs, Milk Oolong combines moderate caffeine with L-theanine, supporting a relaxed but alert state that suits study, conversation, or creative work.

Polyphenol activity

Partial oxidation gives Milk Oolong a mix of green-tea catechins (such as EGCG) and oxidized polyphenols, contributing to antioxidant activity studied for oolong teas in general.

Heart-friendly habit

Population research has linked regular oolong tea consumption with healthier blood pressure and lipid profiles, particularly when oolong replaces sweetened drinks in the daily diet.

Metabolic support

Oolong polyphenols have been studied for modest effects on fat metabolism and energy expenditure. Milk Oolong is a low-calorie, low-sugar way to add flavor to daily fluids when paired with balanced eating.

Gentle, sweet cup

Light oxidation and the natural sweetness of the Jin Xuan cultivar produce a very low-astringency tea that is easy to drink without sugar, supporting a habit of unsweetened tea consumption.

Grades & Varieties

High-mountain Jin Xuan (Alishan)

Grown above ~1,000 m in Alishan and other high-mountain areas of Taiwan. Slow growth and cool nights produce the most refined version of Milk Oolong: a pale gold cup with delicate floral notes layered over fresh-cream aroma and a long, sweet finish.

Best for

  • Gongfu brewing
  • Special occasions
  • Showcasing Taiwanese terroir

Lugu / mid-elevation Jin Xuan

Grown around Lugu in Nantou and similar mid-elevation areas. A rounder, more buttery cup with stronger creamy aroma and slightly less floral finesse than Alishan. The classic, affordable face of natural Milk Oolong.

Best for

  • Everyday Taiwanese oolong
  • Newcomers to Jin Xuan
  • Multiple infusions

Flavored 'milk oolong'

Cheaper green or oolong tea sprayed or steamed with milk-aroma flavoring to mimic Jin Xuan. Often labeled simply 'Milk Oolong' in supermarkets. The cream note is much stronger and more candy-like than in natural Jin Xuan, and the underlying tea is usually less refined.

Best for

  • Casual flavored drinking
  • Iced milk-oolong beverages
  • Introduction to the style

Did you know?

Authentic Milk Oolong is made from the Jin Xuan cultivar (Taiwan Tea No. 12), officially released in 1981; its creamy aroma comes naturally from the plant's lactone compounds — no milk or flavoring is added to genuine Jin Xuan.

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