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Standard ISO 19563:2017 10.1.2017 preview

ISO 19563:2017

Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography

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STANDARD published on 10.1.2017


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147.80 USD

The information about the standard:

Designation standards: ISO 19563:2017
Publication date standards: 10.1.2017
SKU: NS-673802
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: International technical standard
Category: Technical standards ISO

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Tea

Annotation of standard text ISO 19563:2017 :

Description / 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.

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