Animal and vegetable fats/food parameter testing

This standard specifies the method for determining the anisidine value of animal and plant fats and oils. This standard is applicable to aldehydes in animal and vegetable fats (mainly referring to α,β- Determination of unsaturated aldehyde content. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T5524- Animal and Plant Oils and Fats Sampling (GB/T 5524-2008, ISO 5555:2001, IDT) GB/T 6682 Specification and Test Methods for Analytical Laboratory Water (GB/T 6682-2008, ISO 36961987, MOD) GB/T 15687, Animal and Plant Oils, Preparation of Samples (GB/T 15687-2008, ISO 661:2003, IDT) 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Anisidine value: Under specified experimental conditions, p-anisidine reacts with the sample, and the increase in absorbance measured using a 10mm colorimetric dish at a wavelength of 350 nm is multiplied by 100 times. Note: The anisidine value does not have a unit, but the value measured by dissolving 1 g of the sample into a mixture of 100 mL of solvent and reaction reagent is one unit of measurement

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