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Yunnan Black Tea (Dian Hong): How Much Do You Know?

Tea News · May 06, 2025

Yunnan Black Tea, commonly abbreviated as Dian Hong, belongs to the black tea category;

It was created by Han Chinese Tea farmers during the Republican era;

Produced in southern and southwestern Yunnan Province, including areas such as Lincang,

Baoshan, Fengqing, Xishuangbanna, Dehong, and others.

It is blended from large-leaf black broken tea, and standardized products include leaf tea, broken tea, fannings, and dust in 11 different grades across four categories.

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Characteristics of Dian Hong:

Each has its own specific shape and size,

with a substantial body and an even color,

when brewed, it produces a bright red liquor,

with a prominent golden ring, a fresh and fragrant aroma,

a rich and strong taste with a stimulating quality,

the leaves are evenly red and bright, and when milk is added, there is still a strong tea flavor,

it appears brown, pink, or a bright ginger yellow, characterized by its concentration, strength, and freshness.

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Dian Hong Production Process:

The production uses high-quality fresh leaves from large-leaf Yunnan tea trees, which are first withered, rolled or cut, fermented, and then baked to produce the finished tea.

Superior Origin:

The six mountains and five rivers create a complex terrain of undulating hills and deep valleys,

This broom-shaped system of land and waterways makes Yunnan high in the northwest and low in the southeast,

able to resist the intrusion of continental climates from the northwest,

while also receiving warm monsoons from the Indian Ocean and the Pacific Ocean,

which, along with the topography, cause temperature changes both horizontally and vertically,

forming a unique plateau climate and mountain climate.

The tea-growing regions feature rolling hills, misty clouds, and interwoven streams,

with abundant rainfall, fertile soil, mostly red and yellow soils, rich in humus, providing natural conditions that are unparalleled for tea production.

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Health benefits of Dian Hong:

Diuretic Effect: Under the combined effect of Caffeine and aromatic substances in black tea, it increases blood flow to the kidneys, raises glomerular filtration rate, dilates renal microvessels, and inhibits reabsorption of water by the renal tubules, thus increasing urine output. This helps in the elimination of lactic acid, Uric acid (related to gout), excess salt (related to hypertension), harmful substances, and mitigates edema caused by heart disease or nephritis.

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Anti-inflammatory and Bacterial Killing Effects: The polyphenols in black tea have anti-inflammatory effects. Experiments have shown that catechins can bind to single-cell bacteria, causing protein coagulation and precipitation, thereby inhibiting and destroying pathogenic bacteria. Thus, patients with bacterial dysentery and food poisoning benefit from drinking black tea, and concentrated tea is also commonly used to treat wounds, bedsores, and athlete's foot.

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Toxicant Detoxification: It has been proven through experiments that the theaflavins in black tea can adsorb heavy metals and alkaloids and precipitate them, which is a boon for modern people whose drinking water and food are often contaminated by industry.

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Vitalizing and Fatigue-Relieving Effects: Medical experiments have found that caffeine stimulates the cerebral cortex to excite the central nervous system, enhancing alertness, focus, and cognitive function, and improving memory. It also stimulates the cardiovascular system and heart, strengthening cardiac contractions, accelerating blood circulation for metabolic purposes, and promoting sweating and diuresis. These actions together accelerate the excretion of lactic acid (a substance that causes muscle fatigue) and other waste products, effectively relieving fatigue.

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Salivation-Stimulating and Heat-Clearing Effects: Drinking black tea in summer can quench thirst and relieve heat because the polyphenols, sugars, amino acids, pectin, and other compounds in tea react chemically with saliva, stimulating saliva production, making the mouth feel moist and producing a sensation of coolness. Caffeine also regulates the hypothalamic center that controls body temperature, regulating body temperature. It stimulates the kidneys to promote the excretion of heat and waste, maintaining physiological balance within the body.

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In addition, Dian Hong black tea also possesses functions such as preventing dental caries, aiding digestion, delaying aging, lowering blood sugar, lowering blood pressure, lowering cholesterol, fighting cancer, and protecting against radiation. The caffeine in tea has a vitalizing effect, enabling the body to burn fat for energy while preserving glycogen during exercise.

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