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pp.15-23
This study was aimed to observe dose-response effects of squid liver oil enriched in n3 polyunsaturated fatty acids(n-3 PUFA) on the metabolism of streptozotocint(STZ)-induced diabetic rats. In this experiment, 24 STZ-induced diabetic male rats of Sprague Dawley strain were divided into 4 groups and fed for 4 weeks with basal diet(0%). 33%,67% and 100% squid liver oil(SLO) of total fat content, and 6 normal rats were fed with 0% SLO diet at the same time. The results obtained were as follows: 1. Rat group fed with 33% SLO diet showed the least body weight loss and changes in blood glucose, while ones of 100% SLO diet showed the highest level. 2. Serum total protein and ratio of albumin to globulin of all the groups were below the standard level, but did not show significantly different among diet groups. 3. Serum creatinine concentration of all the groups were stayed whthin normal range, but BUN were 3 to 4 times higher than normal rats. BUN concentration of rats fed with 0% and 33% SLO diet was significantly lower than those of others. 4. Total-cholesterol level of serum increased in all the groups except 33% SLO diet, but since HDL-chol, levels and TG concentration went up with an incerase of SLO in the diets, the ratio of HDL-chol. to total-chol, of rats fed with 67% and 100% SLO diet showed higher than those with 0%, and 33% SLO, and TG concentration of rats fed with 67% and 100% SLO diet decreased significantly.
