ISO 19563:2017
Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
Status | Current |
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Edition | 2017 |
No. of Pages | 13 |
ICS Classification | 67.140.10 Tea |
Committee | ISO/TC 34/SC 8 |
Available for Purchase | For sale in Singapore only |
Adoption | ISO |