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A novel barley β-glucan extract (Glucagel TM) in combination with flax or coconut oil influences cholesterol and triglyceride levels in growing rats

Maqueda de Guevara, M.L., Morel, P.C.H., Coles, G.D and Pluske, J.ORCID: 0000-0002-7194-2164 (2000) A novel barley β-glucan extract (Glucagel TM) in combination with flax or coconut oil influences cholesterol and triglyceride levels in growing rats. In: Proceedings of the Nutrition Society of Australia, 24, 3 - 6 December, Fremantle, Western Australia pp. 209-212.

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Abstract

A 2 x 2 factorial arrangement of treatments was used to test the hypothesis that inclusion of a novel P-glucan extract (GlucagelTM) in cholesterol-free synthetic diets containing coconut oil or flax oil would lower circulating total cholesterol (TC) and triglyceride (TG) levels in growing rats. Inclusion of Glucagel™ (100 g/kg) tended to decrease TC levels (P=0.07), however TC level was not influenced by oil type (P>0.05). A significant interaction (P<0.05) occurred for TG levels, with the addition of p-glucan to diets containing coconut oil and flax oil decreasing TG levels by 40% (P<0.01) and 13% (P>0.05), respectively. Faecal digestibility of fat was reduced by 7% (P=0.08) in rats fed coconut oil plus P-glucan. These data suggest that reduced TG levels caused by addition of p-glucan may be mediated in part by reduced fat digestion in the small intestine, an effect most likely caused by the unique gel-forming properties of Glucagel™

Item Type: Conference Paper
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Publisher: Nutrition Society of Australia
URI: http://researchrepository.murdoch.edu.au/id/eprint/28527
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