Definition:
Anji Baicha (安吉白茶, “Anji White Tea”) is a Chinese green tea — processed by pan-firing — from Anji County, Zhejiang Province, whose pale near-white leaves during early spring growth are not caused by white tea processing but by a genetic mutation in the tea cultivar that temporarily suppresses chlorophyll synthesis below approximately 23°C. The result is a leaf with the highest recorded L-theanine concentrations of any commonly available loose-leaf tea.
In-Depth Explanation
The albino phenotype in Anji Baicha is a natural cultivar characteristic — not albinism in the true biological sense but a temperature-sensitive developmental response. When air temperatures rise above ~23°C in late spring, the plant resumes normal chlorophyll synthesis and new leaves become green again. Only the spring flush of pale nearly-white leaves is called Anji Baicha; summer and autumn growth from the same bush is not harvested for this product.
The amino acid concentration of pale leaves is extraordinarily high. In normal green tea, L-theanine content is roughly 1–2% of dry weight. In Anji Baicha, concentrations of 6% or higher have been documented in studies, due to the impaired conversion of L-theanine into catechins (which requires chlorophyll-mediated photosynthesis). The result is an extremely umami-rich, sweet tea with very low astringency.
Not a white tea: The “white” in the name refers to the appearance of the leaves pre-harvest, not to the processing method. True white teas (bai mudan, baihao yinzhen) undergo minimal withering and drying with no pan-firing. Anji Baicha is fully processed using the same pan-firing and rolling methods as longjing or biluochun.
History
The cultivar was rediscovered from a single ancestral bush in Tianhuang Village, Anji County, in 1979 after it was thought to have been lost. Mass propagation began in the 1980s and commercial production scaled rapidly through the 1990s. The county now produces tens of thousands of kilograms annually, with tight protected geographical indication controls.
Common Misconceptions
“It’s a type of white tea” — The name is entirely misleading by Western tea classification standards. It is a green tea with unique leaf pigmentation.
“White appearance means it’s low-quality or bleached” — The pale colour indicates the opposite: it is a valued genetic characteristic and a quality indicator for this specific cultivar.
Taste Profile & How to Identify
Aroma: Delicate, fresh, subtly vegetal — lighter and more refined than most green teas.
Flavour: Pronounced umami sweetness; extremely low astringency; soft, almost milky mouthfeel; clean finish.
Colour: Very pale gold-green.
Leaf appearance: Flat to slightly rolled; pale yellow-green to near-white; extremely delicate.
Brewing Guide
| Parameter | Value |
|---|---|
| Leaf amount | 3g per 150ml |
| Water temperature | 70–75°C |
| Steep time | 45–60 seconds |
| Infusions | 2–3 |
| Vessel | Glass or thin porcelain |
Anji Baicha requires lower temperatures than most green teas to avoid destroying the delicate flavour compounds. Many brewers insist on 70°C or lower.
Social Media Sentiment
Anji Baicha generates significant curiosity from Western tea drinkers as an entry point to Chinese fine teas — the “not actually a white tea” explanation is an almost universal thread starter. The L-theanine concentration claim frequently drives interest among people interested in the cognitive effects of tea. It is positioning itself as a high-value Chinese green tea that can be explained clearly to international audiences.
Last updated: 2026-04
Related Terms
Research
- Hao, X., et al. (2018). Metabolite profiling reveals the mechanistic basis of the phenotype of the albino tea cultivar. Frontiers in Plant Science, 9, 477.
[Documented the temperature-sensitive chlorophyll suppression mechanism and the resultant L-theanine accumulation pathway.]
- Liang, Y., et al. (2013). Comparison of amino acid profiles in Anji Baicha and other green teas. Journal of Food Composition and Analysis, 30(1), 71–77.
[Quantified L-theanine at 3–6× normal green tea levels in authentic Anji Baicha spring harvest.]