Effect of Marine Protein Supplementation on Lipid Profile of Growing Rats Compared to Soybean Protein and Casein
2009
Narayan, Bhasakar, Fish and Poultry Technology Central Food Technological Research Institute (CFTRI), Mysore, India | Yamaguchi, Kohei, Hokkaido University, Hakodate, Japan | Hosokawa, Masashi, Hokkaido University, Hakodate, Japan | Fukunaga, Kenji, Kansai University, Suita, Japan | Nishiyama, Toshimasa, Kansai Medical University, Moriguchi, Japan | Miyashita, Kazuo, Hokkaido University, Hakodate, Japan
Although beneficial effects of dietary plant proteins on lipid metabolism are well documented, not much information exists on the influence of different seafood proteins on the lipid metabolism. The present study evaluated the effect of 2 marine proteins (tuna protein and scallop ovary proteins) in comparison to casein and soy protein in male Wistar rats. The concentration of total lipids in the plasma of rats fed experimental diets was significantly lower from that of control (278.2 mg/dL) group (p less than 0.05); and, the liver lipid content was not significantly different (p greater than 0.05). Fecal excretion of cholesterol and bile acids was significantly higher in marine proteins and soy protein fed groups compared to casein only fed control (6.1 and 6.4 mg/day, respectively) group (p less than 0.05). No significant differences were observed in the mRNA concentrations of different transcriptional factors (p greater than 0.05).
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