T/SNXX 002-2020 Shunning Ecological Selenium and Zinc Green Tea
T/SNXX 002-2020 Shunning Ecological Selenium and Zinc Green Tea
Basic Information
Scope
Scope: This document specifies the classification and grading of Shunining ecological selenium-zinc green tea, as well as its physical standard samples, requirements, testing methods, inspection rules, marking and labeling, packaging, transportation, storage, and shelf life. This document applies to the entire series of Shunining ecological selenium-zinc green tea products. Main technical content: The standard stipulates that Shunining ecological selenium-zinc green tea is divided into two categories based on processing methods: fried green tea and stir-fried (half-fried) green tea, each of which is divided into four grades: special grade, first grade, second grade, and third grade. Physical standard samples are set for each grade of each type of Shunining ecological selenium-zinc green tea, and are replaced every three years. The standard stipulates the raw material requirements, sensory quality requirements, physical and chemical indicators, quality and safety indicators, and net content requirements for "Shunining ecological selenium-zinc green tea". Among the physical and chemical indicators of the standard, the moisture content, water-extractable substances, and powder indicators are the same as those in GB/T 14456.3-2016 "Green Tea Part 3: Small and Medium Leaf Varieties", while the total ash content is stricter than that in GB/T 14456.3-2016 "Green Tea Part 3: Small and Medium Leaf Varieties" (the standard is ≤7.0%, while the national standard is ≤7.5%).