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Conjugated Linoleic Acid (CLA)와 ω-계열 지방산 유지의 사료 내 첨가가 초생추의 지질대사에 미치는 영향
신경훈,박상설,김재영,유선종,안병기,강창원 한국가금학회 2005 한국가금학회 정기총회 및 학술발표회 Vol.22 No.-
본 실험에서는 CLA와 ω-3 PUFA의 단일 및 혼합급여가 어린 병아리의 지질대사에 미치는 영향을 조사하기 위한 목적으로 수행하였다. 옥수수와 대두박 위주의 기초사료에 CLA 및 ω-3 PUFA의 급여가 간 및 혈중 지질분획의 농도에 변화를 미치지 못했으며, 콜레스테롤 생합성 경로에도 영향이 없었음이 시사되었다. 그러나 HDL-C와 HDL-C/total-C의 비율을 증가시킴으로써 항동맥경화 효과가 있음이 확인되었다. This study was conducted to investigate the dietary effects of single or combination feeding of conjugated linoleic acid (CLA) and ω-3 fatty acids on lipid metabolism in young chicks. Chicks were fed one of five diets containing 4% tallow, 2% tallow-2% CLA, 4% linseed oil, 2% linseed oil-2% CLA or 4% CLA for 4wks. There were no significant differences in growth performances and the levels of GOT and GPT. The contents of various lipid fractions in liver and serum were not affected by the dietary treatm ent. The serum HDL-C and HDL-C/total-C w ere significantly low er in 4% tallow group than those of other groups. The expression of HMG-CoA reductase mRNA was not influenced bt dietary treatment.
한반도 동남해와 남동해 표층수에서알케논 수온계산식의 비교
신경훈,윤숙희 한국해양과학기술원 2007 Ocean and Polar Research Vol.29 No.1
A series of long chain unsaturated ketone (alkenone) was identified in the particulate organicmatter sampled from surface water of the eastern South Sea, Korea. The seawater temperature based on the C37 alkenone was calculated by using several different equations of unsaturation index (UK'37), compared with in situ CTD temperature. Among the previously reported equations, the equation (0.044T-0.204) which was proposed by Sawada et al. (1996) seems to be the most useful for the calculation of C37 alkenone temperature, showing average 0.51oC difference between UK'37 temperature and in situ CTD temperature. This result suggest that alkenone should be a useful molecular biomarker for reconstructing paleoenvironmental change in the South and East Sea, Korea. However, it is required to establish more reliable equation for the calculation of C37 alkenone temperature.