Background
Documentation of health effects of residuals after fish filleting may motivate both consumers and producers to increase the use of this under-utilised protein source. Objectives: The primary
Conclusion
A diet containing a protein powder consisting of HBS fraction from cod attenuated the blood pressure increase in obese Zucker fa/fa rats, without preventing kidney damage.
Methods
Male rats were fed diets containing protein powder prepared from head, backbone and skin fraction (HBS, n = 6) from Atlantic cod as 25% of total protein with the remaining 75% as casein, or casein as the sole protein source (Control group, n = 6) for 4 weeks. Blood pressure was measured on day 0, 14 and 26. Kidneys were analysed morphologically, and markers for renal function and organ damage were analysed biochemically.
Results
The HBS diet attenuated the blood pressure increase compared to the Control group, but kidney damage and dysfunction were similar between the two groups.