Active , Reaffirmed Standard
Most Recent

ISO 19563:2017 (R2022)

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

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 01/10/2017
Confirmation Date 07/07/2022
Edition 1
Page Count 13
EAN ---
ISBN ---
Weight (in grams) ---
No products.