DIN ISO 14502-2:2007-12
Determination of substances characteristic of green and black tea - Part 2: Content of catechins in green tea - Method using high-performance liquid chromatography (ISO 14502-2:2005 + Corrigendum 1:2006)
| Fecha edición: |
2007-12-01
En Vigor
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|---|---|
| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This standard describes a high performance liquid chromatographic method for the determination of total catechin content of green tea. It is applicable to both leaf and instant green tea. Gallic acid and caffeine can also be determined by this method, as can theogallin and theaflavines. |
| Keywords: | Agricultural products|Analysis|Catechol|Chemical analysis and testing|Chromatography|Determination of content|Food products|High performance liquid chromatography|HPLC|Liquid chromatography|Sampling methods|Substances|Tea|Test reports|Testing |
| ICS: | 67.140.10 - Té |
| CTN: | |
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Equivalencia Internacional |
Idéntica ISO 14502-2:2005/Cor 1:2006 |
|
Reemplazo Normas |
Reemplaza a DIN ISO 14502-2:2006-12 |
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