International Standard
ISO 18447:2021
Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography
Reference number
ISO 18447:2021
ISO 18447:2021
Edición 1
2021-06
2021-06
© ISO 2024
International Standard
Resumen
This document specifies a high performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) method for the determination of content of the four major theaflavins of tea.
It is applicable to both leaf and instant black and oolong teas. The method is currently not validated for ready-to-drink (RTD) beverages.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2021-06Etapa: Norma Internacional publicada [60.60]
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Edición: 1Número de páginas: 19
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Comité Técnico :ISO/TC 34/SC 8ICS :67.140.10
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