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中國茶檔案 · 茶品檔案、評分與沖泡研究
浙江

千島玉葉千岛玉叶

Qiāndǎo yù yè

產地
中國浙江省 (浙江, Zhèjiāng) 淳安縣 (淳安县, Chún'ān Xiàn),千島湖 (千岛湖, Qiāndǎo Hú) 水域
茶類
綠茶
水溫
80 °C
工夫泡水溫
75 °C
SKU · QIANDAO-YU-YE-CN
茶品檔案

來源與規格

產地
中國浙江省 (浙江, Zhèjiāng) 淳安縣 (淳安县, Chún'ān Xiàn),千島湖 (千岛湖, Qiāndǎo Hú) 水域
茶類
浙江
SKU
QIANDAO-YU-YE-CN

沖泡建議

  • 工夫泡: 75°C, 5 g / 100 ml, 10s, 3 次沖泡
  • 西式泡法: 70°C, 3 g / 200 ml, 180s, 2 次沖泡
茶品檔案

沖泡、產地與風味記錄

沖泡
投茶量
3 g / 150 ml (1:50 比例). For more concentrated taste — 5 g / 150 ml.
Teaware
Glass tumbler (recommended — allows observing leaf opening and liquor clarity); white porcelain gaiwan (盖碗); porcelain cup with lid.
水溫
80 °C
工夫泡水溫
75 °C
投茶量
5 g
工夫泡水量
100 ml
產地
茶類
Green
Soil
Acidic red soils (红壤, hóng rǎng) and sandy soils (砂质土), rich in minerals. Reaction — weakly acidic, optimal for *Camellia sinensis*.
風味
Dry Leaf Aroma
Clean, high, with pronounced bean note (豆香, dòu xiāng) — main tone — and soft undertone of fresh greenery (清香, qīng xiāng). Light "milky" tenderness (嫩香, nèn...
Liquor Aroma
Fresh, persistent, with dominating bean-nutty profile. As the cup cools, floral and herbal undertones emerge. Aroma clean, without foreign admixtures.
Liquor Color
Yellow-green, bright, clear (黄绿明亮). Fresh tea — with tender greenish glow; with storage the liquor darkens.
Spent Leaves
Tender green, fleshy, uniform leaflets, gathered in neat "bouquets" (嫩绿成朵, nèn lǜ chéng duǒ). Leaves elastic, dense. Even coloring without spots and darkenin...
Sensory Source Descriptor Cz Intensity
2
Sensory Source Descriptor H Intensity
3
詳細資訊
Raw Material
Fresh leaf after picking undergoes mandatory spreading (摊放, tānfàng) for 6–12 hours, until moisture drops to 70–72%. This stage is critically important for aroma formation ...
生物鹼
Caffeine — moderate content, providing mild tonic effect in synergy with L-theanine. Also present are theobromine and theophylline.
Amino Acids
High content (exact figures for Qiandao Yu Ye not standardized, but source material Jiukeng is characterized by good amino acid accumulation). L-theanine — main component, formi...
礦物質
Fluorine — 200–300 ppm (tooth enamel strengthening). Potassium, manganese, zinc. Acidic red soils with rich mineral composition provide saturated elemental profile.
茶多酚
More than 30% of dry mass — above average for green teas. Main components — EGCG, ECG, EGC. Provide antioxidant activity, structural taste density and astringent component, bala...
維生素
Vitamin C — relatively high content in fresh raw material. B-group vitamins. Vitamin K.
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覆蓋區域: 中國浙江省 (浙江, Zhèjiāng) 淳安縣 (淳安县, Chún'ān Xiàn),千島湖 (千岛湖, Qiāndǎo Hú) 水域

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