T/HNBX 187-2025 Wuzhishan tropical rainforest dayezhong tea—white tea
T/HNBX 187-2025 Wuzhishan tropical rainforest dayezhong tea—white tea
Basic Information
Scope
This document specifies the environmental and ecological indicators, human factors, raw materials, process flow, sensory quality, quality requirements, inspection rules, labels and marks, packaging and storage, and shelf life of Wuzhishan Tropical Rainforest Large-Leaf White Tea. This document is applicable to Wuzhishan Tropical Rainforest Large-Leaf White Tea. This document replaces T/HNBX 187—2023 "Wuzhishan Tropical Rainforest Large-Leaf White Tea". Compared with the 2023 version, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Added the environmental and ecological requirements for the production area of Wuzhishan Tropical Rainforest Large-Leaf White Tea (see Chapter 4); b) Added the requirements for human factors (see Chapter 5); c) Changed the moisture requirements in the physical and chemical indicators of white tea (see 9.2, 2023 version 7.2); d) Changed the water extract requirements in the physical and chemical indicators of white tea (see 9.2, 2023 version 7.2); e) Deleted the requirements for tea polyphenols in the physical and chemical indicators of white tea (see 2023 version 7.2); f) Changed the lead requirements in the safety indicators of white tea (see 9.3, 2023 version 7.2); g) Added the requirements for glyphosate in the safety indicators of white tea (see 9.3, 2023 version 7.2); h) Changed the requirements for shelf life (see Chapter 13, 2023 version Chapter 10); 6 Raw Materials 6.1 Requirements for Tea Buds 6.1.1 The tenderness, uniformity, and freshness of buds and leaves should be basically consistent. The buds and leaves should be intact, free from scales, fish leaves, single leaves, deterioration or abnormal odor, and free from pollution or other non-tea impurities. 6.1.2 The processing of fresh leaf raw materials shall comply with the relevant requirements of GB/T 31748. 6.1.3 The time interval between picking and pre-processing of fresh leaves shall not exceed 6 hours, and hig