• Product label: premium

“Red Jade” (Hóng Yù Hóng Chá) is a premium Taiwanese black tea developed by the Taiwan Tea Research and Extension Station in 1990s.

It’s a hybrid of Taiwanese wild mountain tea (Camellia formosensis) and Burmese Assamica, grown mainly around “Sun Moon Lake” (Nantou County) at elevations of 600–800 meters. Grown at high altitudes in the pristine hills of Yuchi, it benefits from ideal conditions that enhance its refined flavor and aroma.

The result is a unique, aromatic black tea celebrated for its natural minty-cinnamon character, silky texture, and deep, complex sweetness — often called “the pride of Taiwanese black tea”.

Origin

Taiwan (Yuchi district, Nantou)

Color

Brilliant deep amber-red to ruby brown

Aroma

Rich, layered, strikingly unique captivating fragrance — both invigorating and soothing signature of “Red Jade” — with a clean herbal-cool sweetness: natural mint, cinnamon and camphor with undertones of honey, cocoa, rosewood and dried fruit.

Palate

Full & bold yet refined and smooth, with a cooling, velvety texture. Notes of sweet cinnamon, fresh mint, and dark honey with undertones of brown sugar, malt, red fruit and gentle cocoa.

Brewing instructions

Western Style (for everyday)

Tea: 2–3g (≈1–1.5 tsp)

Water: 250ml

Temp: 90–95 °C

Steeping: 2.5–3 min

Lasts for: 2–3 infusions

Gongfu Style (concentrated, small-cup)

Tea: 5g (≈2.5 tsp)

Water: 120ml

Temp: 90–95 °C

Steeping (increase a bit with each infusion):

– first 15–20 sec;

– second 25–30 sec;

– third 35–40 sec;

Lasts for: up to 8–10 infusions

Cold brew

Excellent for cold-brew for its clarity and fragrance. Steep in mineral still water for 4–6 hours or more in room temperature.

Notes


Avoid oversteeping for hot brew — too long and it loses its signature coolness.

Health effect

Offers a balanced stimulation — the caffeine provides gentle energy, while L-theanine induces calm clarity.

Its rich polyphenols may improve heart health, boost metabolism, and reduce oxidative stress, while the unique minty-spicy compounds can help refresh breathing, support digestion, and reduce fatigue.

Active Chemicals

  • Theaflavins & thearubigins — black tea polyphenols that support cardiovascular health and reduce LDL cholesterol.
  • Catechins (EGCG, ECG) — potent antioxidants with anti-inflammatory and anti-aging effects.
  • Caffeine (moderate) — enhances alertness and concentration.
  • L-theanine — calming amino acid promoting focus and stress balance.
  • Volatile aromatic compounds — especially linalool, eugenol, and cinnamaldehyde, responsible for minty-spicy aroma and mild anti-inflammatory, antimicrobial properties.

Story & Production

Origin:
"Hóng Yù" a cultivar developed by the Taiwan Tea Research and Extension Station (TRES) during the Japanese occupation in the early 20th century. Known as TTES18, it is a hybrid of the Assamica variety from Myanmar and the local Taiwanese wild variety, Shan Cha.

Historical Context:
Initially developed to compete with Indian teas, this variety has retained its unique and memorable bouquet with menthol, camphor, and cinnamon notes.

Cultivation Region:
Primarily grown in the Yuchi district (Nantou County) in the hills surrounding Lake Ri Yue Tang at altitudes of 700–1000 meters. Today, it spans approximately 10,000 hectares.

Unique Production Method:
The tea's natural sweetness is a result of the fostered relationship with insects.

The native Leafhopper (Jacobiasca formosana) spends its time throughout the growing season laying eggs and biting the tea plant, which causes the plant to produce two compounds, monoterpene diol and hotrienol.

This defense mechanism, in addition to Leafhopper eggs, results in this Taiwanese Black tea's unique flavor.

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Sale price €34,95Regular price
Regular price €34,95
Black tea – "Red Jade"
Black tea – "Red Jade"
Sale price From €29,95Regular price
Regular price From €29,95

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