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ISO 11816-2:2024

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

Publication date:   Jan 12, 2024

General information

60.60 Standard published   Jan 12, 2024

ISO

ISO/TC 34/SC 5 Milk and milk products

International Standard

67.100.30   Cheese

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11816-2:2016

NOW

PUBLISHED
ISO 11816-2:2024
60.60 Standard published
Jan 12, 2024