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ISO/PWI 19563

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

Опште информације

00.98     2. 12. 2025.

ISO

ISO/TC 34/SC 8

Međunarodni standard

Apstrakt

ISO 19563 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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 19563:2017

TRENUTNO

NAPUŠTEN
ISO/PWI 19563
00.98 Predlog novog projekta se odbacuje
2. 12. 2025.