Physico-chemical modifications of conjugated linoleic acid for ruminal protection and oxidative stability

Hyun-Seuk Moon, Hong Gu Lee, Chung Soo Chung, Yun Jaie Choi, Chong Su Cho

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Conjugated linoleic acid (CLA) is a mixture of positional and geometric isomers of octadecadienoic acid [linoleic acid (LA), 18:2n-6]. Although ruminant milk and meat products represent the largest natural source of CLA and therefore, their concentration in ruminant lipids are of interest to human health, chemical or physical modifications of CLA should be needed as a means to enhance oxidative stability, to improve post-ruminal bioavailability, and to increase the clinical application. In fact, CLA are rapidly decomposed to form furan fatty acids when its are oxidized in air, and the effectiveness of dietary supplements of CLA may be related to the extent that their metabolisms by rumen bacteria are avoided. For these reasons, many scientists have examined the effect of manufacturing and protection on the stability of CLA in ruminants and food products. In this review, physico-chemical modifications of CLA for ruminal protection such as calcium salt (Ca), formaldehyde protection (FP), lipid encapsulation (LE), and amide linkage (AL), and for oxidative stability such as green tea catechin (GTC), cyclodextrin (CD), arginine (Arg), amylase, and PEGylation are proposed.

Original languageEnglish
Article number16
JournalNutrition and Metabolism
Volume5
Issue number1
DOIs
Publication statusPublished - 2008 Jul 22
Externally publishedYes

Fingerprint

Conjugated Linoleic Acids
Ruminants
Lipids
Meat Products
Catechin
Rumen
Cyclodextrins
Tea
Linoleic Acid
Amylases
Dietary Supplements
Amides
Formaldehyde
Biological Availability
Arginine
Milk
Fatty Acids
Salts
Air
Calcium

ASJC Scopus subject areas

  • Nutrition and Dietetics
  • Endocrinology, Diabetes and Metabolism

Cite this

Physico-chemical modifications of conjugated linoleic acid for ruminal protection and oxidative stability. / Moon, Hyun-Seuk; Lee, Hong Gu; Chung, Chung Soo; Choi, Yun Jaie; Cho, Chong Su.

In: Nutrition and Metabolism, Vol. 5, No. 1, 16, 22.07.2008.

Research output: Contribution to journalArticle

Moon, Hyun-Seuk ; Lee, Hong Gu ; Chung, Chung Soo ; Choi, Yun Jaie ; Cho, Chong Su. / Physico-chemical modifications of conjugated linoleic acid for ruminal protection and oxidative stability. In: Nutrition and Metabolism. 2008 ; Vol. 5, No. 1.
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