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ISO 6557-2:1984

Current Revision

Fruits, vegetables and derived products -- Determination of ascorbic acid content -- Part 2: Routine methods

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This part of ISO 6557 specifies two routine methods for the determination of the ascorbic acid content1) of fruits, vegetables and derived products :

method A: 2,6-dichlorophenolindophenol titrimetric method;

method B : 2,6-dichlorophenolindophenol spectrometric method after extraction with xylene.

Method A can only be used in the absence of certain interferences (see 2.6).

Method B is applicable to derived fruit and vegetable products in strongly coloured solutions.

1) The ascorbic acid is determined as dehydroascorbic acid.


SDO ISO: International Organization for Standardization
Document Number ISO 6557
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 34/SC 3
Publish Date Document Id Type View
Not Available ISO 6557-2:1984 Revision