Total conjugated linoleic acid content of ruminant milk: The world status insights. (1st January 2021)

• Record Type: Journal Article
• Authors: Zongo, Koka; Krishnamoorthy, Srinivasan; Moses, Jeyan A.; Yazici, Fehmi; Çon, Ahmet Hilmi; Anandharamakrishnan, C.
• Is Part Of: Food chemistry. Volume 334(2021)
• Publication Date: 2021-01-01
• Subjects: Milk composition -- Ruminant milk -- Conjugated linoleic acid content -- Fatty acids -- Global status; Food -- Analysis -- Periodicals; Food -- Composition -- Periodicals; 664
• DOI: 10.1016/j.foodchem.2020.127555
• Languages: English
• ISSNs: 0308-8146

Abstract

Highlights: This study summarizes the total CLA content of ruminant milk across the world. Total CLA content of ruminant milk ranged from 0.06 to 2.96% of total fatty acids. The pooled estimated mean content of CLA in milk was highest in Oceania. Geographical origins were found significant in CLA production in milk samples. Milk diet-based CLA intake studies should also consider geographical origins. Abstract: Conjugated linoleic acid (CLA) content of ruminant milk reported in published research papers (n = 65) from January 1995 to March 2020 around the world were analyzed to estimate the overall mean CLA value. The CLA content of ruminant milk samples was grouped according to geographical regions (Europe, South America, North America, Oceania, Asia, and Africa). The total CLA content of milk samples from cows, sheep, goats, yaks, and llama retrieved from the collected data ranged between 0.06 and 2.96% of total fatty acids. There is a wide variation of pooled estimated mean content of CLA in milk among the study regions and were highest in Oceania with 1.33% (95% confidence interval (CI): 1.16 – 1.49%) of total fatty acids. Though several factors have been reported to influence the CLA content of milk, the effect of the "geographical origin" was only considered in the present manuscript as one of the main factors in this respect.