Daozhen Green Tea (Daozhen Selenium Tea) is produced in the Zhenzheng Miao Autonomous County of Zunyi City and is a well-known tea brand in Guizhou. Daozhen County is located in the transition zone from the northern part of Guizhou Plateau to the Sichuan Basin. It is located on the magical 30-degree north latitude line and is a famous selenium-rich soil belt in Guizhou. Daozhen Green Tea (Daozhen Selenium Tea) is named after its unique geographical conditions and its products are rich in trace elements such as selenium and tellurium. Daozhen green tea (Daozhen Selenium Tea) has three appearances: flat tea, curly tea and pearl tea.

Daozhen Green Tea (Daozhen Selenium Tea) flat-shaped tea has a flat, smooth, even, green, long-lasting fragrance. The soup is green and bright, and the taste is mellow. The leaves are evenly green. The shape of the curly tea is tight and curly, and the white is revealed. It is green and smooth, with endogenous scent and long-lasting fragrance. The soup is clear and bright, and the taste is fresh and refreshing. The leaves are tender and bright. The shape of the bead-shaped tea is like a bead shape, even and the color is yellow, the lightness is smooth, the aroma is lasting, and the taste is fresh and mellow. . After testing, the true selenium content of Daozhen green tea (Daozhen Selenium Tea) is higher than 0.15mg/kg, the lock content is higher than 0.20〇^/1^, the moisture content is below 6.5%, the ash content is below 5.8%, and the crude fiber content is at 13.5. Below %, the extract content is greater than 40%, the tea polyacid content is greater than 12%, and the quality characteristics are distinct.

Daozhen Green Tea (Daozhen Selenium Tea) Quality Technical Requirements 1. Variety of local populations and tea varieties suitable for making Daozhen Green Tea (Daozhen Selenium Tea). Second, the site conditions are within the range of 600 to 1200 m above sea level, the soil type is yellow soil or sandy soil, the soil pH is 4.5 to 6.5, and the soil organic matter content is ≥1.0%. The thickness of the soil layer is ≥50cm. Third, cultivation techniques Seedling: Adopt cutting seedlings. 2. Planting density ≤ 50,000 plants / hectare. 3. Fertilization: ≥ 30 tons of fertilized organic fertilizer per hectare per year. 4. Fresh leaf picking: from late February to early May, from mid-September to late October. The strip-shaped tea picks a single bud to the bud of a bud and two leaves, and the flat-shaped tea picks a single bud to a bud and a leaf. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, the processing technology Strip tea process: fresh leaves → spread dry → kill blue → spread dry → 揉捻 → unblocking → hair fire → spread dry → full fire → refined → finished product. 2. Processing technology points: (1) strip tea: 1 killing: temperature 200 ° C to 300 ° C. The strips of tea are fried until the leaves are dark green, the leaves are stalked, and the hands are pinched slightly. The flat type tea is fried until the grass is lost and the fragrance is presented. 2 hair fire: temperature is 120 ° C to 150 ° C. When the tea bar turns into dark green, when the hand pinch has a thorny feel, it will cool down. 3 full fire: bar-shaped tea foot fire requires pot temperature 80 ° C to 90 ° C, until the tea bar is grayish green oil, moisture content ≤ 7%. (2) Flat tea: 1 shape: temperature 100 ° C to 120 ° C. After the first shape, more than 90% of the tea is required to have a straight strip shape, and the moisture content is controlled within 50%. After the second shape, more than 98% of the tea bars are flat and the moisture content is controlled within 30%. 2 flat tea pot requires a pot temperature of 80 ° C to 100 ° C, the color of the tea bar is required to be green and smooth, hand-picked tea buds are powder, moisture content ≤ 7%. V. Quality characteristics 1. Sensory features: aroma, rich, mellow and foam-resistant. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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The producers of Daozhen Green Tea (Daozhen Selenium Tea) can submit an application for the use of the “Special Mark for Geographical Indication Products” to the Market Supervision Administration of Guizhou Provincial Road, Zhenzi and Miao Autonomous County, and will be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision. Announcement after approval by the General Administration of Quality Supervision, Inspection and Quarantine. The testing mechanism of Daozhen Green Tea (Daozhen Selenium Tea) is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.