Milk and milk products. Determination of alkaline phosphatase activity. Pt. 1: Fluorimetric method for milk and milk-based drinks
This document specifies a fluorimetric method for the determination of alkaline phosphatase (ALP) (EC 3.1.3.1) activity in raw and heat-treated whole milk, semi-skimmed milk, skimmed milk and flavoured milks. This method is applicable to milk and milk-based drinks from cows, sheep and goats. It is also applicable to milk powder after reconstitution. The instrument used for the determination of ALP can read activities up to 7 000 milliunits per litre (mU/l). If the activity is higher than 7 000 mU/l, it is diluted with ALP-free milk so as to obtain a measurement not higher than 7 000 mU/l.
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| Main Authors: | , |
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| Format: | Texto biblioteca |
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| Published: |
Geneva (Switzerland) ISO/IDF
2024
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| Subjects: | milk, Milk products, proximate composition, Alkaline phosphatase, Enzyme activity, Beverages, Standards, Fluorimetry, |
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