T/XHLJ 001-2021 Active Group standards

T/XHLJ 001-2021 West Lake Dragon Well Tea

Publish Date: 2021-09-01 Implement Date: 2021-09-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/XHLJ 001-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Agriculture (vocabulary)

Publish Date: 2021-09-01

Implement Date: 2021-09-15

Scope

Main technical content: This document specifies the terms and definitions, product grades, requirements, test methods, inspection rules, marking, labeling, packaging, transportation, and storage of pre-packaged Longjing tea products in West Lake. The main technical content includes: (1) Quantitative indicators and visual image references are proposed for sensory quality factors. Based on sensory evaluation, quantitative indicators are set for the factors of appearance, soup color, taste, and leaf bottom quality, and digital reference images are provided for dry tea, tea soup, and leaf bottom. In the appearance factor, the ratio of the length and width of tea strips is defined as the main quantitative indicator; in the leaf bottom factor, the proportion of different tenderness buds and leaves is defined as the quantitative indicator; the soup color factor uses Lab color dimension values as the quantitative indicator to evaluate the color and brightness of tea soup; in the taste factor, the free amino acid content and phenolic amine ratio, which are highly related to freshness and mellowness, are used to evaluate the quality of taste. (2) The requirements for fully handmade West Lake Longjing tea are added, and the brewing characteristics are proposed, and the sinking ratio is used as a quantitative indicator to distinguish between handmade and non-handmade West Lake Longjing tea.