T/SCTSS 10-2023 Sichuan Flat Green Bud Tea Processing Technical Specifications

Scope

Scope: This document specifies the terms and definitions, processing conditions, raw material requirements, processing techniques, and quality management for the processing of flat-shaped green bud tea. This document is applicable within the administrative area of Sichuan Province. Main technical content: Definition: Sichuan flat-shaped green bud tea: A type of tea made from single buds and one-leaf early-opened fresh leaves of tea trees grown in Sichuan, processed through techniques such as steaming, flattening, drying, and aroma extraction, and characterized by a tender chestnut fragrance and refreshing taste. Processing conditions: The factory environment, workshop hygiene, and equipment layout of tea processing sites shall comply with the provisions of GB/T 32744. Raw material requirements: - Basic requirements for fresh leaves: Buds and leaves should be intact, fresh, uniform, and clean, with no purple buds, diseased or insect-damaged leaves, or damaged or reddened leaves. They shall comply with the provisions of DB51/T 2481. - Hygiene requirements for fresh leaves: Free from external contamination and impurities. The limits for contaminants shall comply with GB 2762, and the maximum residue limits for pesticides shall comply with GB 2763. - Specifications for fresh leaves: Young single buds and one-leaf early-opened fresh leaves. For Grade A, the content of single buds shall be ≥ 80%; for Grade B, the content of one-leaf early-opened leaves shall be ≥ 40%. Processing techniques: Spreading, steaming, cooling, shaping, and aroma extraction. Quality management shall comply with the provisions of GB/T 32744, and the processing enterprises shall establish operating procedures and quality control rules for each pre-processing process, keep records, and establish archives to facilitate traceability.

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