International Standard
ISO 19563:2017
Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography
Reference number
ISO 19563:2017
Edition 1
2017-01
International Standard
Read sample
ISO 19563:2017
65341
Published (Edition 1, 2017)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 19563:2017

ISO 19563:2017
65341
Language
Format
CHF 96
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Abstract

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.

General information

  •  : Published
     : 2017-01
    : International Standard confirmed [90.93]
  •  : 1
     : 13
  • ISO/TC 34/SC 8
    67.140.10 
  • RSS updates

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