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Asian Journal of Biochemistry
Year: 2007  |  Volume: 2  |  Issue: 1  |  Page No.: 42 - 49

Aqueous Extract of Hibiscus sabdariffa Calyces Reduces Serum Triglycerides but Increases Serum and Egg Yolk Cholesterol of Shika Brown Laying Hens

S.A. Habibullah, L.S. Bilbis, M.J. Ladan, O.P. Ajagbonna and Y. Saidu    

Abstract: Reducing cholesterol content of table egg may be important in curbing the risks of atherosclerosis. In this study, forty, (32 week old) Shika Brown laying hens were randomly distributed into five groups to investigate the effect of aqueous extract of Hibiscus sabdariffa calyces on serum lipid profile and egg yolk cholesterol. Groups 2 - 5 received 1, 2, 4 or 8 g L-1 solution of the extract. Group 1 (control) received tap water. All the animals were fed ad libitum with layers mash for twelve weeks. Blood samples and eggs were collected after every three weeks and sera and egg yolk were analyzed for total cholesterol, triglycerides (TAG), high-density lipoprotein cholesterol (HDL-C) and egg yolk cholesterol respectively. Hibiscus sabdariffa extract caused a significant (p<0.05) non dose dependent increase in serum total cholesterol and egg yolk cholesterol but significant (p<0.05) dose-dependent decrease in serum TAG and HDL-C content. No strong correlation (0.2273) was found between serum and yolk total cholesterol. These results suggest that aqueous extract of Hibiscus sabdariffa may possess hypotriglyceridemic effect in Shika Brown laying hens but caused increase in serum and egg yolk cholesterol.

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