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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1993.8
- 수록면
- 199 - 211 (13page)
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In order to elucidate the effect of dietary n-3 highly unsaturated fatty acids (n-3HUFA) on the changes of body weight and chemical compositions in the Korean rockfish during starvation, the fish were not fed for 9 weeks after fed different levels (0~1.5% ) of n-3 HUFA for 10 weeks.
The higher level of n-3HUFA was contained in the diets, the slower body weight loss was resulted (P<0.05). The decreasing rates of the body nutrients of the fish were significantly higher in the fish fed n-3HUFA deficient diets than those of the fish fed n-3 HUFA sufficient diets. Protein and lipid contents of the whole body were decreased with starvation whereas moisture content was increased. Decrease of lipid was mainly due to the decrease of nonpolar lipid. Amounts of polar lipid in the whole body were almost constant throughout the starvation, meaning not being affected by dietary n-3HUFA levels.
Percentage of 22:6n-3 was increased in the polar lipid fraction, but monoenic acids (16:1, 18:1), n-3 series (18:3, 18:4, 20:4) and n-6 series (20:2, 22:4, 22:5) were decreased with starvation. Fatty acid compositions of nonpolar lipid were not changed with starvation. These results suggest that all fatty acids of nonpolar lipid are equally utilized for energy during starvation.
The higher level of n-3HUFA was contained in the diets, the slower body weight loss was resulted (P<0.05). The decreasing rates of the body nutrients of the fish were significantly higher in the fish fed n-3HUFA deficient diets than those of the fish fed n-3 HUFA sufficient diets. Protein and lipid contents of the whole body were decreased with starvation whereas moisture content was increased. Decrease of lipid was mainly due to the decrease of nonpolar lipid. Amounts of polar lipid in the whole body were almost constant throughout the starvation, meaning not being affected by dietary n-3HUFA levels.
Percentage of 22:6n-3 was increased in the polar lipid fraction, but monoenic acids (16:1, 18:1), n-3 series (18:3, 18:4, 20:4) and n-6 series (20:2, 22:4, 22:5) were decreased with starvation. Fatty acid compositions of nonpolar lipid were not changed with starvation. These results suggest that all fatty acids of nonpolar lipid are equally utilized for energy during starvation.
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