Ānjí Bái Chá (安吉白茶) — White-Leaf Green Tea

Ānjí Bái Chá (安吉白茶, "Ānjí White Tea") is a Chinese green tea from Ānjí county in northern Zhèjiāng province. Despite containing "white tea" (白茶 bái chá) in its name, it is processed and classified as a green tea — the "white" refers not to the processing method but to the leaf colour. The tea is made from a rare natural cultivar mutation with very low chlorophyll content: the young spring leaves emerge almost white or pale jade-green, rather than the usual dark green. As the season progresses and temperatures rise, the plants return to normal green.

TL;DR: Green tea (pan-fired) from an albino cultivar in Ānjí, Zhèjiāng. Not white tea — the name refers to the pale leaf colour, not the processing method. Character: milky, sweet, distinctly umami, very low bitterness. Brew at 75–80°C, 3–4 g per 100 ml, 15–25 s. Only available míng qián — the albino leaves turn green after Qīngmíng.

The albino cultivar

The tea comes from a specific cultivar known as Bái Shū (白叶一号, White Leaf No. 1) or Ānjí Bái Chá cultivar — a natural genetic mutation of Camellia sinensis discovered growing wild in Ānjí county in 1982. The mutation produces a temperature-sensitive reduction in chlorophyll synthesis: at the low temperatures of early spring (below ~23°C), the leaves produce far less chlorophyll than normal, resulting in a pale, almost white colour. Once temperatures rise above this threshold, normal chlorophyll production resumes and the leaves turn standard green.

This metabolic peculiarity has a direct effect on the tea's chemistry:

• Very low chlorophyll → pale colour, light vegetal flavour
• Compensatorily high theanine (amino acid) → intense sweetness and umami
• Lower catechins relative to theanine → almost no bitterness

The result is a tea with one of the highest theanine concentrations of any Chinese green, rivalling gyokuro in amino acid content.

Harvest window

The albino condition only occurs in early spring — a window of roughly three to four weeks before Qīngmíng (~April 5). After temperatures rise, the leaves turn green and lose the unique chemical profile. This makes all genuine Ānjí Bái Chá míng qián by definition — the only harvests of the characteristic pale leaf occur before Qīngmíng. Teas labelled "Ānjí Bái Chá" harvested after Qīngmíng are from green leaves and are essentially standard Zhèjiāng green teas of different character.

Taste profile

• Appearance: Pale jade to ivory-green leaves, flat or lightly curved, with a distinctly lighter colour than any other Chinese green
• Fragrance: Clean, slightly grassy-sweet, with faint dairy/cream notes
• Taste: Milky sweetness, pronounced umami (the highest theanine concentration creates a savoury-sweet quality similar to high-grade Japanese gyokuro), very minimal bitterness
• Body: Light to medium — not thin, but not heavy
• Finish: Clean, sweet, lingering

Processing

Ānjí Bái Chá is processed as a green tea: pan-fired kill-green (shā qīng), light rolling, and drying. Some producers make a flat-pressed version (similar to Lóngjǐng); others leave the leaf slightly curved. Both are correct and reflect producer preference rather than quality difference.

Brewing

Glass is ideal — watching the pale leaves unfurl in clear water is part of the aesthetic. The first steep is pale and clean; subsequent steeps gradually intensify.

Is this really a green tea?

Yes. The processing is identical to green tea: kill-green (pan-firing), light rolling, drying. No withering beyond a few hours, no oxidation, no yellowing or fermentation. The name "bái chá" in this context refers to the leaf colour, not the tea category. Genuine white tea (Bái Háo Yín Zhēn, Bái Mǔ Dān) is made from different cultivars with wilting-and-drying processing and entirely different character. → White Tea Overview

Related

• Green Tea Overview
• Lóngjǐng — another famous Zhèjiāng green, pan-fired, very different character
• Chinese Tea Regions

FAQ

How does Ānjí Bái Chá compare to gyokuro? Both are exceptionally high in theanine (~2% by dry weight), giving them a similarly sweet, umami-forward character. But the mechanism differs: gyokuro achieves this through weeks of shading before harvest, blocking light to force theanine accumulation. Ānjí Bái Chá achieves it through a genetic mutation that limits chlorophyll synthesis in cold temperatures — no shading required. Gyokuro is deeper green and more intensely vegetal; Ānjí Bái Chá is paler, cleaner, and slightly lighter in body.

How do I know if I'm buying genuine Ānjí Bái Chá? Check the leaf: genuine early-spring Ānjí Bái Chá is pale jade to ivory-green — noticeably lighter than any standard green tea. In the cup, the liquor is apricot-yellow to pale apricot-green, clear and bright. Authentic Ānjí origin is protected by geographic indication; reputable producers display the official GI certification on packaging. If labelled míng qián and the leaves are dark green, it is not from the albino cultivar.

How should I store Ānjí Bái Chá? Consume within 2–3 months of opening for peak freshness. Sealed and refrigerated at around 5°C, it can hold for 6–12 months. Keep it airtight, away from light, and away from odours. If refrigerated, allow the sealed package to reach room temperature before opening — this prevents condensation from damaging the delicate leaf.

Does Ānjí Bái Chá have less caffeine than other green teas? Not significantly. The albino cultivar's mutation primarily affects chlorophyll and theanine production — caffeine levels remain broadly comparable to other spring green teas. What changes is the theanine-to-caffeine ratio: very high theanine modulates how caffeine is perceived, producing a smoother, more sustained effect rather than a sharp spike. People who find other greens too stimulating may feel this more gently — but it is a perception effect, not a low-caffeine claim.

Why does quality vary so much between sellers? Three main reasons: (1) harvest timing — genuine albino-leaf Ānjí Bái Chá is only available míng qián; post-Qīngmíng leaf from green-phase plants is a different, inferior product often sold under the same name; (2) the same county produces standard Ānjí green tea from non-albino cultivars, sometimes marketed ambiguously; (3) within genuine Ānjí Bái Chá, single-bud or one-bud-one-leaf grades are significantly more expressive than two-bud-two-leaf harvests.