Cuì Luán Oolong · new.thetea.app

Cui Luan Oolong (“Emerald Peak Oolong”) is one of the most prestigious high-mountain Taiwanese oolongs, grown on the northern slopes of the Líshān (梨山, Lí Shān) mountain range at altitudes of 1800–2200 m. This is a sub-location within the Lishan region, but with its own microclimate and reputation: Cui Luan is often distinguished as a separate category in competitions and is valued for its exceptional “cool” purity of aroma. For collectors of Taiwanese high-mountain teas, Cui Luan is one of the “three jewels of Lishan” alongside Fúshòushān (福壽山) and Huágāng (華崗).

1. Classification and Origin:

Type: Oolong (lightly oxidized, 10–25% oxidation). Without roasting or with minimal roasting.
Category: High-mountain Taiwanese oolongs (高山茶, Gāo Shān Chá). Sub-location within the Lishan region.
Origin: Taiwan (台灣), Nántóu County (南投縣, Nántóu Xiàn), Líshān mountain area (梨山, Lí Shān), specifically — Cuì Luán district (翠巒) on the northern slopes.
Geographic coordinates: ~24°09’ N, ~121°15’ E. Altitude 1800–2200 m.

2. History and Cultural Significance:

History: Like other Lishan teas, Cui Luan began to be developed in the 1980s, when farmers pushed ever higher into the mountains in search of ideal terroir. The Cui Luan area attracted attention due to the northern exposure of its slopes: diffused lighting and lower temperatures create conditions where leaves grow more slowly and accumulate more amino acids than on southern slopes at the same altitude. By the 2000s, Cui Luan had established itself as an independent “brand” within Lishan — with its own price premium and constant presence at Taiwanese tea competitions.
Name:
- “Cui” (翠) — emerald, jade-green.
- “Luan” (巒) — mountain peaks, ridge.
- “Emerald Peaks” — a poetic description of the landscape: green mountain peaks shrouded in mist.
Cultural significance: Cui Luan is a name that Taiwanese tea connoisseurs pronounce alongside Fushoushan and Da Yu Ling. This is an “insider’s” tea: less known to the general public than Alishan, but valued by collectors for its unique micro-terroir.

3. Botanical Description and Raw Material:

Primary cultivar: Qīng Xīn Oolong (青心烏龍, Qīng Xīn Wūlóng) — “Green Heart Oolong”. At this altitude reveals maximum “high-mountain” potential: the most delicate leaves with record L-theanine content.
Other cultivars: Jīn Xuān (金萱, Jīn Xuān) and Cuì Yù (翠玉, Cuì Yù) — less common, but present.
Picking standard: Bud + 2–3 top leaves. Only hand-picking — steep slopes exclude mechanization.
Seasons: Spring (春茶, April–May) — most valuable. Winter (冬茶, October–November) — also prestigious. Between spring and winter harvest — 5–6 months of bush “rest” in the cold.
Special feature: At altitudes of 1800–2200 m, bushes “sleep” for 3–4 months in winter (sometimes under snow). After awakening, the first spring harvest yields leaves of incredible concentration — all the energy of winter dormancy compressed into a few young shoots.

4. Terroir and Cultivation Features:

Topography: Northern slopes of the Lishan mountain range. Steep, often terraced plantations on narrow strips of land between rocks.
Altitude: 1800–2200 m — higher than most Alishan teas (1000–1600 m), and comparable to Fushoushan (~2600 m) and Huagang (~2300 m).
Soils: Mountain soils with high organic matter and mineral content. Good natural drainage on steep slopes.
Climate: Cool mountain climate. Average annual temperature 14–16°C. Daily temperature variations 10–15°C. Humidity 80–90%. Mists — practically daily, especially in morning and evening. Snow possible in winter.
Northern exposure: Key distinguishing feature of Cui Luan from other Lishan sub-locations. Northern slopes receive less direct sunlight → even slower growth → even higher amino acid content → even sweeter and more delicate tea. This “northern coolness” forms the characteristic “crystalline” character of Cui Luan.
Limitations: Area of land suitable for tea is extremely small. Access to some plantations — only by mountain trails. Production — limited.

5. Production Technology:

Technology identical to processing of Lishan oolongs — maximally gentle, aimed at preserving the delicacy of high-mountain leaves.

Picking (採摘, cǎi zhāi): Hand-picked. At altitudes of 2000+ m — in conditions of mist and cold.
Withering (萎凋, wěidiāo): Shade or indoor withering. 2–6 hours. Gentle reduction of turgor.
Shaking (搖青, yáo qīng): Very gentle — 3–4 cycles with long rest periods. Minimal edge damage.
Oxidation (發酵, fājiào): Light, 10–25%. Maximum preservation of freshness.
Fixation (殺青, shā qīng): High-temperature pan-firing.
Rolling (揉捻, róuniǎn): Cloth rolling (布揉, bù róu) — tight semi-spheres.
Drying (烘乾, hōnggān): At low temperature. Without roasting — to preserve freshness.
Sorting (分級, fēnjí): Strictest selection.

6. Organoleptic Characteristics:

Dry leaf appearance: Tightly rolled semi-spheres, from emerald-green to dark green, with luster. Larger than average — high-mountain leaves are more fleshy. Tips with white down.
Dry leaf aroma: Exceptionally fresh, “cool” — like mountain air at dawn. Orchid, gardenia, lily of the valley. Creamy, fruity (pear, peach, lychee) and grassy nuances. Characteristic “coniferous” note — light hint of mountain pine, distinguishing Cui Luan from other Lishan teas.
Liquor aroma: Rich, floral, sweetish. Cream, fruits, honey. Persistent and “alive” — aroma lingers on gaiwan lid for minutes.
Taste: “Crystalline” — the main word for Cui Luan. Even more delicate and “transparent” than standard Lishan. Minimal astringency, pronounced natural sweetness. Floral notes (orchid, gardenia), creamy, fruity (pear, melon, lychee). Light acidity. Aftertaste — long, refreshing, with returning sweetness (回甘, huígān). Texture — silky, “airy”.
Liquor color: Light yellow, golden-green with barely perceptible pearlescent sheen. Transparent, clear.
Spent leaves: Whole, large, elastic leaves of emerald-green color. Fleshy — sign of high-mountain raw material.

7. Chemical Composition:

Polyphenols (catechins): Content lower than in low-altitude oolongs — cold and northern exposure slow synthesis. Minimal astringency.
Amino acids: Record high L-theanine content — one of the most “amino acid-rich” Taiwanese oolongs. Basis of sweetness, umami and relaxing effect.
Alkaloids: Moderate caffeine (~20–25 mg/g). Slightly below average.
Essential oils: Linalool, nerol, geraniol (floral notes); α-pinene (coniferous “mountain” note — characteristic of northern slopes). High concentration of essential oils.
Vitamins: C (elevated), B group, E. Minerals: Potassium, fluorine, magnesium, manganese.

8. Health Properties:

Relaxing effect (key): Record L-theanine content — pronounced calming without drowsiness.
Gentle stimulation: Caffeine + L-theanine.
Antioxidant protection: Catechins + elevated vitamin C.
Refreshing effect: “Cool” character.
Minimal gastrointestinal irritation: Very low tannin content.
Mood improvement: L-theanine + rich aroma.

9. Brewing:

Temperature: 80–88°C. Boiling water absolutely forbidden — will destroy delicate notes. For spring Cui Luan of highest grade — 80–83°C.
Tea amount: 5–7 g per 150 ml.
Teaware: Porcelain gaiwan — ideal. Thin walls don’t “steal” heat and allow appreciation of subtle aroma. Glass teapot — for observing leaf unfurling.
Process:
1. Warm the teaware.
2. Rinse infusion: pour and immediately drain (some connoisseurs skip — first infusion of Cui Luan is too precious).
3. First infusion: 45–60 seconds.
4. 5–7+ infusions, +15–20 seconds to each.
Cold brewing: 5 g per 500 ml, 8–10 hours in refrigerator. Excellent result — “crystalline” purity fully revealed.

10. Storage:

Airtight container, in refrigerator (separate compartment from food), away from odors. As a lightly oxidized oolong without roasting — Cui Luan is extremely sensitive to heat and light.
Optimal period — 6–12 months. Not for aging.
Vacuum packaging — ideal.

11. Price and Counterfeits:

Cui Luan is one of the most expensive Taiwanese oolongs. More expensive than Alishan and standard Lishan; comparable to Fushoushan and Huagang.

Price factors: Altitude (1800–2200 m), northern exposure, limited production, hand-picking on steep slopes.

How to recognize counterfeits:

Tight semi-spheres of emerald-green color. Larger than Alishan. Small, “flat” granules — suspicious.
“Cool”, clean aroma with characteristic coniferous note. Without it — most likely not Cui Luan.
Liquor — light yellow with pearl luster, not amber. If amber — this is not high-mountain lightly oxidized oolong.
Taste — “crystalline”, practically without astringency. Bitterness = not Cui Luan.
Price: genuine Cui Luan cannot cost the same as ordinary Alishan.

12. Interesting Facts:

Cui Luan is one of the “three jewels of Lishan”: Fushoushan (2600 m), Huagang (2300 m), Cui Luan (2200 m). All three — elite of Taiwanese high-mountain teas.
Northern exposure of slopes — “secret” of Cui Luan: less sun → more amino acids → more sweetness. Same principle as Japanese shading of tea bushes for gyokuro, but here “shading” is created by nature itself.
In winter, snow falls on Cui Luan plantations — tea bushes “sleep” for 3–4 months. First spring harvest after winter dormancy — most valuable.
Some Cui Luan plantations are located higher than famous Alishan (1000–1600 m) — difference of 400–600 m is noticeable in taste.
Name “Emerald Peaks” — one of the most beautiful among Taiwanese teas and accurately describes the landscape: green mountain peaks in clouds of mist.

13. Place Among High-Mountain Oolongs:

Region	Altitude	Character	Price
Ālǐshān (阿里山)	1000–1600 m	Floral, creamy, accessible	$$$
Shānlínxī (杉林溪)	1200–1800 m	Fresh, “coniferous”, balanced	$$$$
Lishan / Hépíng (梨山)	1600–2000 m	Delicate, silky	$$$$$
Cuì Luán (翠巒)	1800–2200 m	”Crystalline”, cool	$$$$$$
Huágāng (華崗)	~2300 m	Mineral-sweet	$$$$$$
Fúshòushān (福壽山)	~2600 m	”Velvety”, maximum sweetness	$$$$$$$
Dà Yǔ Lǐng (大禹嶺)	~2600 m	Absolute pinnacle	$$$$$$$+

14. Possible Contraindications:

Individual intolerance.
Increased sensitivity to caffeine (though content is below average).
Pregnancy and lactation — moderate consumption.
Cui Luan is one of the most “gentle” oolongs; contraindications are minimal.

In conclusion:

Cui Luan Oolong is a tea that makes one fall silent. Not because there’s nothing to say, but because words are superfluous: its “crystalline” purity, cool sweetness and weightless texture speak for themselves. On the “Emerald Peaks”, where northern slopes are shrouded in mist 300 days a year, the tea bush grows so slowly that each leaf is a concentrate of mountain tranquility. For those who have already tried Alishan and Lishan and want to climb one step higher — Cui Luan awaits in the clouds.