ISO 22212:2019

INTERNATIONAL ISO
STANDARD 22212
First edition
2019-03
Traditional Chinese medicine —
Gastrodia elata tuber
Médecine traditionnelle chinoise — Tubercule de Gastrodia elata
Reference number
ISO 22212:2019(E)
©
ISO 2019

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ISO 22212:2019(E)

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Published in Switzerland
ii © ISO 2019 – All rights reserved

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ISO 22212:2019(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Descriptions . 2
5 Requirements . 4
5.1 General characteristics . 4
5.2 Morphological features . 4
5.3 Moisture . 4
5.4 Total ash . 4
5.5 Dilute ethanol-soluble extract . 4
5.6 Identification of marker compound(s). 4
5.7 Content of marker compound(s) . 4
5.8 Heavy metals . 4
5.9 Pesticide residues . 5
5.10 Sulfur dioxide . 5
6 Sampling . 5
7 Test methods .
...