Article Publish Status: FREE
Abstract Title:

A Pilot Study on Anti-Obesity Mechanisms of: The Role of Nativeκ-Carrageenan and the Leftover Sans-Carrageenan Fraction.

Abstract Source:

Nutrients. 2019 May 21 ;11(5). Epub 2019 May 21. PMID: 31117266

Abstract Author(s):

Yao Xian Chin, Ye Mi, Wan Xiu Cao, Phaik Eem Lim, Chang Hu Xue, Qing Juan Tang

Article Affiliation:

Yao Xian Chin


is a commercially important edible red alga widely cultivated for carrageenan production. Here, we aimed to investigate the anti-obesity mechanism ofby comparing the effects of whole seaweed (T), extracted nativeκ-carrageenan (CGN), and the leftover fraction sans-carrageenan (SCGN) supplementations (5%,/) on diet-induced obese C57BL/6J mice. A high-fat diet induced both a raised body fat percentage and serum cholesterol level, increased adipocytes size, abnormal levels of adipocytokines, and promoted gut dysbiosis. Our results showed that, overall, both CGN and SCGN were more effective in reversing obesity and related metabolic syndromes to normal levels than T. Furthermore, these findings suggested that CGN- and SCGN-modulated gut dysbiosis induced by a high-fat diet, which may play an influencing role in adiponectin dysregulation. Our data also showed some evidence that CGN and SCGN have distinct effects on selected genes involved in lipid metabolism. In conclusion, bothκ-carrageenan and SCGN have novel anti-obesity potential with possible different mechanisms of action.

Study Type : Animal Study

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