ISO 4134:2021
Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method

Standard No.

ISO 4134:2021

Release Date

2021

Published By

International Organization for Standardization (ISO)

Latest

ISO 4134:2021

Scope

This document specifies the Spectrophotometer method and the light absorption microplate reader method for the determination ofthe freeL-(+)-glutamic acid content of meat and meat products. This document is applicable to meat and meat products, including livestock and poultry products.

ISO 4134:2021 Referenced Document

• ISO 1042 Laboratory glassware - One-mark volumetric flasks
• ISO 1442 Meat and meat products — Determination of moisture content — Reference method*， 2023-07-01 Update
• ISO 3696 Water for analytical laboratory use; Specification and test methods
• ISO 648 Laboratory glassware - Single-volume pipettes
• ISO 8655-2 Piston-operated volumetric apparatus — Part 2: Pipettes*， 2022-04-22 Update

ISO 4134:2021 history

• 2021 ISO 4134:2021 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
• 1999 ISO 4134:1999 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
• 1978 ISO 4134:1978 Meat and meat products; Determination of L-(+)- glutamic acid content; Reference method