ISO 19563
Determination of theanine in tea and instant tea in solid form using high - performance liquid chromatography
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| Organization: | ISO |
| Publication Date: | 1 January 2017 |
| Status: | active |
| Page Count: | 20 |
| ICS Code (Tea): | 67.140.10 |
scope:
This document 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.
Document History
ISO 19563
January 1, 2017
Determination of theanine in tea and instant tea in solid form using high - performance liquid chromatography
This document 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...