낙농 유래 공액리놀레산(conjugated linoleic acid)의 생리적 기능과 반려동물 영양에서의 적용 가능성

초록

Conjugated linoleic acid (CLA) is a representative functional fatty acid present naturally in milk and dairy products derived from ruminants, and it has been reported to exert various biological effects, such as anti-obesity, anti-inflammatory, immunomodulatory, and meta bolic regulatory effects. CLA is a group of positional and geometric isomers of linoleic acid, among which cis-9, trans-11 CLA and trans-10, cis-12 CLA are recognized as the major biologically active isomers. In dairy science, extensive research has been focused on the biosynthesis of CLA, strategies to enhance its content in milk and dairy products, and its contribution to the functional quality of dairy foods. With the rapid growth of the companion animal industry, dairy-derived functional components have attracted increasing attention as novel ingredients for companion animal nutrition and functional pet foods. However, most studies on CLA have been conducted in ruminants or humans, and systematic evaluations of its applicability to companion animals from a dairy science perspective remain limited. This review summarizes the chemical characteristics, biosynthesis and enrichment strategies, physiological functions, and safety aspects of CLA on the basis of previous studies in dairy and food science. Furthermore, the potential application of dairy-derived CLA as a functional ingredient in companion animal feed and dairy-based products has been discussed, along with future research directions. This review provides scientific insights into the expanded utilization of functional dairy lipids in companion animal nutrition

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