BS ISO 20759:2017 pdf free.Traditional Chinese medicine – Artemisia argyi leaf.
BS ISO 20759 This document specifies the minimum requirements and test methods of Artemisia argyi leaf for medicinal use. It is suitable for identification and quality control of this herbal medicine.2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 928, Spices and condiments一Determination of total ash ISO 930, Spices and condiments一Determination of acid-insoluble ash ISO 939, Spices and condiments一Determination of moisture content一- Entrainment method ISO 6571, Spices, condiments and herbs一Determination of volatile oil content (hydrodistillation method) 3 Terms and definitions  For the purposes of this document, the following terms and definitions apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses:ISO Online browsing platform: available at http:/ /www.iso.org/obp IEC Electropedia: available at http:/ /www .electropedia.org/3.1 Artemisia argyi leaf dried leaf of the plant Artemisia argyi Levl. et Vant. which belongs to the family Asteraceae 3.2 reference medicine authentic reference medicine from the dried leaf of Artemisia argyi Levl. et Vant, used for reference in TLC analyses of the sample 3.3 volatile oil content all the substances in the sample entrained by steam under the conditions specified in Annex B Note 1 to entry: It is expressed in ml per 100 g of dry duct.[SOURCE: ISO 6571:2008, 3.1, modified一”in the sample” has been inserted and the term “International Standard” has been replaced with“Annex B”.] 3.4 1,8-cineole content mass fraction of 1,8-cineole [C10H180) in the sample determined in accordance with the method of Annex B .3.5 total flavonoids content mass fraction of the total flavonoids in the sample determined in accordance with the method in Annex C 3.6 dilute ethanol-soluble extract extract obtained from the sample determined in accordance with the method specified in 7.7 4 Description In this document, Artemisia argyi leaf is the dried leaf from the plant Artemisia argyi Levl. et Vant. (see
Figure 1 A) and consists of leaf blade and petiole (see Figure 1 B].BS ISO 20759 pdf download.