T/JSSCYXH 1-2024 Tianyin's red tea processing technical specification

Scope

Scope: This document specifies the terms and definitions, processing sites, fresh leaf requirements, and processing processes for the processing of Gongfu black tea in Tianyin Hongyu, Jiangning District, Nanjing City. This document is applicable to the processing of Gongfu black tea in Jiangning District, Nanjing City, Jiangsu Province. Main technical content: 6. Processing technology 6.1 Hygiene requirements during the production process shall comply with GB 14881. 6.2 Withering 6.2.1 Environmental requirements for the withering room: Control the temperature and humidity of the withering room. The temperature of the withering room should be 15-30℃, and the humidity should be controlled at 75-80%. Keep the room ventilated. Where possible, install exhaust devices, dehumidifiers, air conditioners, and other temperature and humidity control equipment. 6.2.2 Withering tank 6.2.2.1 Spread the fresh leaves in the withering tank, with a thickness of 2cm to 5cm, ensuring uniformity. 6.2.2.2 Set the temperature of the air blown out of the withering tank to 28℃ to 32℃. 6.2.2.3 Requirements for air blowing: The air blowing should not disperse the leaf layer. Stop blowing air for 10 to 30 minutes every hour. Stop blowing natural air 15 to 30 minutes before the end of withering. 6.2.2.4 Turning and shaking: Turn and shake the leaves every 1 to 2 hours. The shaking should be gentle, with the leaves loosened, evenly spread, and avoiding damage to the buds and leaves. 6.2.3 Sunlight withering 6.2.3.1 Method: Spread the fresh leaves thinly on a withering curtain or bamboo mat, with a thickness of 2cm to 5cm, ensuring that the buds and leaves do not overlap. Place them under sunlight at a temperature of 20℃ to 25℃ to wither. 6.2.3.2 Time: Sunlight withering for 30 to 60 minutes, with turning and shaking every 15 to 20 minutes. 6.2.3.3 Degree: When the tea leaves are evenly heated and slightly wilted, transfer them to the indoor withering tank for continued withering, following the sa

Development Information

Related Standards