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ISO 14502-1:2005
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Summary
ISO 14502-1:2005 specifies a method for the determination of the total polyphenol content of leaf teas and instant teas by a colorimetric assay using Folin-Ciocalteu phenol reagent. It is applicable to both green and black tea products.
Details
Status:
CURRENT
Date of entry into force:
16 March 2005
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