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API SPEC 14L: Lock Mandrels and Landing Nipples : Reaffirmed

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ISO 19563:2017

ISO 19563:2017 Determination of theanine in tea and instant tea in solid form using high-performance liquid chromatography

CDN $173.00

Description

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.

Edition

1

Published Date

2017-01-10

Status

PUBLISHED

Pages

13

Language Detail Icon

English

Format Secure Icon

Secure PDF

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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