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베타사이클로덱스트린이 돼지의 조직 콜레스테롤 함량에 미치는 영향
박병성 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2007 동물자원연구 Vol.18 No.-
This study demonstrates that pork cholesterol levels are reduced in finishing swine fed β-cyclodextrin (βCD). The study subjects were 120 swine fed their respective chow diets containing 0, 5, 7, or 10% βCD for 35 consecutive days. Plasma total lipids, triglyceride and total cholesterol of the βCD- treated group were significantly lower than those of the control group (p<0.05). The levels of plasma lipid were significantly decreased by 63.22 mg, 73.98 mg, and 82.12 mg in the finishing swine group fed βCD at 5%, 7%, and 10% , respectively, compared to those in the control group (p<0.05). When 5, 7, and 10% βCD was administered to finishing swine, the triacylglyceride levels were decreased by 56.24 mg, 55.48 mg, and 60.02 mg, and total cholesterol concentration was reduced by 25.05 mg, 27.17 mg, and 30.19 mg, respectively, compared to those in the control group (p<0.05). Excretion of total steroid significantly (p<0.05) increased with increase of βCD supplementation. The cholesterol levels of swine back fat, belly, loin, and ham were significantly decreased with increase of βCD supplementation (p<0.05). The pork cholesterol was significantly (p<0.05) reduced by 15.31% in the βCD-treated group, compared to that of the control group. These results suggest that feeding βCD to finishing swine may produce novel functional pork with low cholesterol levels.
박병성 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2007 동물자원연구 Vol.18 No.-
The objective of this study was to determine the effect of dietary oils on the levels of the γ-linolenic acid in chicken meat lipids. Three hundred ten five, 1-d old, male, Ross strain, broiler chicks were fed for 35 d to compare diets containing evening primrose oil(EPO) and hemp seed oil(HO) to a control diet. Fatty acid composition of lipid from chicken skin, thigh and breast muscle were determined at the end of the trial. The level of γ-linolenic acid of lipids from chicken meat fed diets containing EPO or HO was significantly higher than that of the control group(p<0.05). The level of γ-linolenic acid of lipids from chicken skin was highest in the group, which had been fed the EPO 0.85%, followed in order by EPO 0.7%, 0.5%, EPO mixed oil, HO and HO mixed oil. There was a significant difference in the level of γ-linolenic acid of chicken skin between the control and treatment groups(p<0.05). The level of γ-linolenic acid of lipids from chicken thigh muscle was also similar to skin, and significantly higher than that of the control group(p<0.05). The level of γ-linolenic acid of lipids from chicken breast muscle was highest in the group, which had been fed the EPO 0.5%, followed in order by EPO 0.7%, 0.85%, HO 0.5% and HO mixed oil. There was a significant difference in the level of γ-linolenic acid of chicken breast muscle between the control and treatment groups(p<0.05).