ISO 11816-2:2024

Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorimetric method for cheese

Publication date: Jan 12, 2024

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Current stage: 60.60 Effective date: Jan 12, 2024

Originator: ISO

Owner: ISO/TC 34/SC 5

Type: International Standard

ICS: 67.100.30

Languages: English French

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Status: Published

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This document specifies a fluorimetric method for the determination of alkaline phosphatase (ALP) (EC 3.1.3.1) activity in cheese.
This method is applicable to soft cheeses, semi-hard and hard cheeses provided that the mould is only on the surface of the cheese and not also in the inner part (e.g. blue veined cheeses). For large hard cheeses, specific conditions of sampling apply (see Clause 7).
The instrument used for the determination of ALP can read activities in the supernatant up to 7 000 milliunits per litre (mU/kg).

ISO 11816-2:2024

Milk and milk products — Determination of alkaline phosphatase activity — Part 2: Fluorimetric method for cheese

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