This document specifies minimum requirements and test methods for Gastrodia elata tuber that is 
derived from cultivated and artificially propagated Gastrodia elata Bl.
It is applicable to Gastrodia elata tuber that is sold and used as Chinese materia medica, specifically 
excluding the wild forms of the species.st edition 2019-03 Traditional Chinese medicine — Gastrodia elata tuber Médecine traditionnelle chinoise — Tubercule de Gastrodia elata Reference number ISO 22212:2019(E) ？ ISO 2019 ISO 22212:2019(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this