BS 684-2.43:1988:1989 Edition

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Methods of analysis of fats and fatty oils. Other methods – Determination of polyunsaturated fatty acids with a cis,cis 1,4-diene structure

Published By	Publication Date	Number of Pages
BSI	1989	12

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Categories: 67.200.10 - Animal and vegetable fats and oils, BSI

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Description

This International Standard specifies an enzymic method for the determination in animal and vegetable fats and oils of polyunsaturated fatty acids with a cis,cis 1,4-diene structure, in practice those of the linoleic (9,12-octadecadienoic) and linolenic (9,12,15-octadecatrienoic) acid series having ω3 and ω6 unsaturation. The structure is

It is not applicable to fats and oils containing polyunsaturated fatty acids of the ω8 and ω9 series or containing branched chain fatty acids.

Saponification then enzymic oxidation of the fatty acids. Measurement of their UV absorbance.

Additional information

Status	Definitive
Pages	12
Publication Date	1989-01-31
ISBN	0 580 16963 4
Standard Number	BS 684-2.43:1988, ISO 7847:1987
Title	Methods of analysis of fats and fatty oils. Other methods – Determination of polyunsaturated fatty acids with a cis,cis 1,4-diene structure
Identical National Standard Of	ISO 7847:1987
Descriptors	Oxidation methods, Testing conditions, Saponifiable matter determination, Food testing, Fatty acids, Spectrophotometry, Reproducibility, Fats, Oils, Unsaturated hydrocarbons, Linoleic acid, Enzymes, Animal oils, Vegetable oils, Chemical analysis and testing, Animal fats, Vegetable fats, Calibration, Determination of content
Publisher	BSI
Committee	AW/307
ICS Codes	67.200.10 - Animal and vegetable fats and oils

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BS 684-2.43:1988:1989 Edition

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