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ISO 19563:2017

ISO 19563:2017

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

Published By Publication Date Number of Pages
ISO 2017-01 20
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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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    Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography…

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ISO 19563:2017
$27.95