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30°N Tea·Tongling Yacca Tea

“Bronze Essence, Tongling Yacca tea: A Mineral Ode at 30°N”

Terroir Code: The Genetic Imprint of Tongling

On the southern bank of the Yangtze River at 30°54’N, the undulating hills of the Tongling Fold Belt mirror the taotie patterns on ancient bronze ware. Known by geologists as the “Eastern Copper Spine”, this secret realm is defined by:

Soil

Triassic rock weathered into reddish-brown soil, rich in malachite and cuprite particles, endowing tea leaves with rare high zinc and selenium content.

Climate

Daily collisions between Yangtze River vapor and hill fog create a "morning mist-afternoon sun" microclimate, forcing tea trees to secrete stress-resistant amino acids.

Ecology

Over 70-year-old zhonglaocong (venerable bush tea trees) coexist with wild Asarum forbesii and Ageratina adenophora, forming a unique herbal symphony.

Tea Spirit Cultivation:A 13-Generation Time Pact

During the Ming Dynasty’s Wanli era, the Jiang family of tea masters in Tongling’s Datong Town discovered: “Tea trees along copper veins bear buds with a metallic sheen.” They refined the lost “Bronze Quenching Technique”:

Picking

Only "Copper Sparrow Period" buds (3 days after Grain Rain), adhering to strict standards: "one bud, one unfolding leaf, ≤2.3cm in length."

Fixing

Using Huizhou jujube wood charcoal and unearthed bronze jia (ritual cups) as heat conductors, infusing leaves with trace copper ions.

Shaping

Rolling on specially crafted brass plates to curl leaves into sparrow tongue shapes, locking in mineral umami.

This craft, inscribed in the Jiang Family Tea Classic, has endured unchanged for 400 years.

Flavor Landmark: A Cross-Time Dialogue Between Bronze and Tea

German flavor scientist Dr. Weber’s mass spectrometry analysis revealed: “0.003ppm copper in the tea matches Warring States bronze jue vessels.” This unlocks the “Threefold Awakening”:

First Awakening
Metallic Chill

Cool sensation like ancient bronze touching skin, zinc activating salivary amylase.

Mid-Awakening
Ore Sweetness

Selenium catalyzes，akin to dissolving a malachite polished by Yangtze waters for millennia.

Aftertaste Herbal

Terpenoids from wild Asarum rise with steam, leaving a post-rain hill freshness in the nasal cavity.

Contemporary Revival: A Latitudinal Narrative Powered by Technology

We rewrite the legend in the 21st century:

Blockchain Copper Traceability

Each leaf maps to GPS-mined coordinates; scan to view heavy metal absorption curves during growth.

Microclimate Ceramic
Jar

Copper Guan Mountain clay jars with memory alloy humidity control automatically adjust aging rhythms.

AI
Flavor Prediction

NASA satellite data forecasts climate impacts on mineral extraction over 3 years, customizing optimal tasting windows.

Drinker’s Manifesto

“This is not tea—it is a miniature bronze museum.” When lifting the bone china cup inlaid with the 30°N parallel, you sip the power of tectonic shifts, the wisdom of Warring States artisans, and the billion-year secret dialogue between the Yangtze River and copper veins.