YSMO GSO ISO/TR 21380:2025
ISO/TR 21380:2022
Yemeni Standard
Current Edition
·
Approved on
17 November 2025
Matcha tea — Definition and characteristics
YSMO GSO ISO/TR 21380:2025 Files
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YSMO GSO ISO/TR 21380:2025 Scope
This document contains information regarding the tea cultivation, manufacture (including processing and grinding) and sensory analysis of the tea referred to as “matcha tea” in international trade.
It provides an internationally agreed definition of matcha tea based on the plant source, cultivation and production methods used. These are important for the physical, chemical and sensory characteristics of matcha tea.
It does not apply to flavoured matcha tea, blended matcha tea, or decaffeinated or soluble extracts of matcha tea.
NOTE Images of matcha tea and the tencha tea leaf are given in Annex A. Images of the cultivation and processing of the tencha tea leaf are given in Annex B.
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