BH GSO ISO 19563:2022
ISO 19563:2017
Bahraini Standard
Current Edition
·
Approved on
28 April 2022
Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
BH GSO ISO 19563:2022 Files
English
13 Pages
Current Edition
Reference Language
BHD
45.28
BH GSO ISO 19563:2022 Scope
ISO 19563:2016 specifies a high-performance liquid chromatographic (HPLC) method for the determination of theanine content in tea (Camellia sinensis). It is applicable to both tea and instant tea samples. Separation of L- and D-theanine is not possible using this method; however, the L-enantiomer is the major form in tea.
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