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고지방식이 유도 비만 랫드에 대한 유황오곡충 추출물의 지질감소 메카니즘
황보 종(Jong Hwangbo),박상오(Sang-Oh Park),박병성(Byung-Sung Park) 한국유화학회 2014 한국응용과학기술학회지 Vol.31 No.4
This study was carried out to determine the action mechanism of sulfur-grain larvae extract (SGE) on anti-obesity and the reduction of blood lipid level in high-fat diet induced obese model animals. Animals were classified into a normal diet group (NC, normal control), HFD (high-fat diet without SGE), HFD 15 (high-fat diet + oral administration of 15 mg of SGE extract per 100 g body weight) and HFD 30 (high-fat diet + oral administration of 30 mg of SGE extract per 100 g body weight). The body weight gain declined in HFD 15 and HFD 30 groups compared with the HFD group, even though the diet intake increased significantly. The weight of liver and adipose tissue increased significantly in HFD group compared with in the HFD 15 and HFD 30 groups. Triglyceride, total cholesterol, LDL-C and AI decreased in HFD 15 and HFD 30 groups compared with in the HFD group, but the contents of HDL-C increased significantly. Expression of SREPB-1α, SREPB-2 mRNA in the liver was lower in the high-fat diet group compared with the HFD group, but the expression of LPL mRNA in adipose tissue and PPARα increased significantly. Fat accumulation in the liver tissues and liver damage were greatly reduced in HFD 15 and HFD 30 groups compared with in the HFD group. The size of adipocytes became smaller in the HFD 15 and HFD 30 groups compared with HFD group. In conclusion, this research discovered for the first time that grain maggot has anti-obesity effects, by reducing the abdominal fat of obese model animals and lowering blood lipid level through the down-regulation of SREPB-1α and SREPB-2 mRNA and the up-regulation of PPAR-α mRNA.
홍의철(Eui-Chul Hong),추효준(Hyo-Jun Choo),강보석(Bo-Seok Kang),김종대(Chong-Dae Kim),허강녕(Kang-Nyeong Heo),이명지(Myeong-Ji Lee),황보 종(Jong Hwangbo),서옥석(Ok-Suk Suh),최희철(Hee-Cheol Choi),김학규(Hak-Kyu Kim) 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.2
This work was carried out to investigate the performance of growing period of large-type Korean native ducks. A total of four hundred twenty female and male duck chicks generated from A and B strains of ducks. Groups were four crossbreds (3 replications/crossbred, 35 birds/ replication) as 2×2 factors (2 strains, A and B; 2 genders, female and male). On the body weight, male of B strains was the highest among 4 treatments after the age of 4 week (P<0.05). Body weight of B strain was higher than that of A strain at all period (P<0.05). Body weight of male was higher compared to that of female after the age of 4 week (P<0.05). On the body weight gain, male of B strain was the highest and female of A strain was the lowest among 4 treatments at 0~8, 0~12, 0~16 and 0~20 weeks (P<0.05). Body weight gain of male was higher than that of female after the age of 4 week (P<0.05). On the feed intake, male of B strain was the highest among 4 treatments from the age of 0 week and to the age of 4, 12, 16 and 20 week (P<0.05). Feed intake of male was higher than that of female at 0~12, 0~16 and 0~20 weeks (P<0.05). On the feed conversion ratio, male of B strain was the highest among other treatments 0~4 weeks and female of A strain was at 0~8 and 0~12 weeks (P<0.05). Feed intake of female was higher compared to that of female at 0~8 weeks and male was high at 0~20 weeks. These results provided the basic data on the record of growing phase of large-type Korean native ducks.