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Key Documents

O5632

Sigma-Aldrich

Linoleic acid, conjugated methyl ester

Synonyme(s) :

CLA methyl ester, Octadecadienoic acid, conjugated, methyl ester

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About This Item

Code UNSPSC :
12352211
Nomenclature NACRES :
NA.25

Source biologique

plant (safflower)

Pureté

≥99% (GC)

Forme

liquid

Technique(s)

GC/MS: suitable
HPLC: suitable

Impuretés

≤1% Linoleic acid methyl ester

Groupe fonctionnel

carboxylic acid
ester

Type de lipide

omega FAs

Conditions d'expédition

ambient

Température de stockage

−20°C

Catégories apparentées

Description générale

Conjugated linoleic acid (CLA) describes the positional and geometric isomers of C18:2 fatty acids (FA) with a conjugated double bond. cis-9, trans-11 CLA are considered as the major isomers of CLA, based on in vitro experiments and animal studies in milk. The major source of CLA in human diet is the ruminant fat.

Application

Linoleic acid, conjugated methyl ester (CLA) has been used as a standard for the determination of isomers of CLA in milk samples by high performance liquid chromatography (HPLC), gas chromatography-mass spectrometry. It has also been used in the production of sn-1,3 diacyl glycerol.

Actions biochimiques/physiologiques

Conjugated linoleic acid (CLA) isomers as supplements inhibit the growth of numerous human cancer cell lines. It also possesses immunostimulant properties, prevents diabetes and reduces atherosclerosis.

Autres remarques

A mixture of cis- and trans-9,11- and -10,12-octadecadienoic acid methyl esters. Isomer ratio may vary from lot to lot.

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves


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P G Toral et al.
Journal of dairy science, 101(7), 6109-6121 (2018-05-01)
A great deal of uncertainty still exists about intermediate metabolites and pathways explaining the biohydrogenation (BH) of 20- and 22-carbon polyunsaturated fatty acids (PUFA). Therefore, this study was conducted to provide further insight into the ruminal metabolism of 20:5 n-3
A D Martin et al.
Journal of dairy science, 98(8), 5374-5384 (2015-05-26)
To investigate the feasibility of milk fatty acids as predictors of onset of luteal activity (OLA), 87 lactations taken from 73 healthy Norwegian Red cattle were surveyed over 2 winter housing seasons. The feasibility of using frozen milk samples for
M Coppa et al.
Journal of dairy science, 102(11), 10483-10499 (2019-09-10)
The aims of this work were to determine the effect of upland origin on milk composition when comparing similar lowland and upland production system and to highlight the factors responsible for the added value of upland milk from commercial farms.
C Villot et al.
Animal : an international journal of animal bioscience, 14(2), 388-398 (2019-07-18)
High-starch diets (HSDs) fed to high-producing ruminants are often responsible for rumen dysfunction and could impair animal health and production. Feeding HSDs are often characterized by transient rumen pH depression, accurate monitoring of which requires costly or invasive methods. Numerous
Leriana Garcia Reis et al.
Nutrients, 13(6) (2021-07-03)
The study aimed to evaluate the supplementation of gilts with cow's milk naturally enriched with n-3 and n-6 polyunsaturated fatty acids (PUFA) on reproductive outcomes, and the serum biochemical and FA profile of swine females and their offspring. During 316

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