T/SNXX 003-2020 The Ecological Se and Zinc-enriched Red Tea of Shouning。
T/SNXX 003-2020 The Ecological Se and Zinc-enriched Red Tea of Shouning。
Basic Information
Scope
Scope: This document specifies the classification and grading of Shuning ecological selenium-zinc black 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 all Shuning ecological selenium-zinc black tea series products. Main technical content: The standard stipulates that "Shuning ecological selenium-zinc black tea" is divided into two categories based on different processing methods: "Gongfu black tea" and "Flower and Fruit Fragrance Black Tea". Each category is divided into four grades: Special Grade, First Grade, Second Grade, and Third Grade. Physical standard samples for each grade of each category are provided, which 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 "Shuning ecological selenium-zinc black tea". Among the physical and chemical indicators of the standard, the moisture content, total ash content, water-extractable substances, and powder index are identical to those in GB/T 13738.2-2017 "Black Tea - Part 2: Gongfu Black Tea"; the upper limit of selenium content is identical to that in GH/T 1090-2014 "Selenium-Rich Tea"; and the upper limit of zinc content is identical to that in DB52/T 489-2015 "Geographical Indication Products - Fenggang Zinc-Selenium Tea".