Journal of Physiology & Pathology in Korean Medicine
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v.23
no.5
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pp.1055-1062
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2009
Magnolia obovata exhibit several beneficial effects including anti-oxidant effects. Magnolia obovata is used as a therapeutic agent to stop hemorrhages and a tonic to promoted health in Korean and Chinese medicine. The pharmacokinetic profiles of the main Magnolia obovata is still not accurately investigated. In present study, I examined the effects of water extracts of Magnolia obovata on atherosclerosis induced high cholesterol diet in rats in serum and abdominal aorta. A total of 3-week old 9 male rats of Sprague-Dawley were divided into 3 groups and fed with the basal diet (normal group), high cholesterol diet (atherosclerosis induced group) for 8 weeks, high cholesterol diet supplemented with water extracts of Magnolia obovata (Magnolia obovata group) for 2 weeks. And rats were sacrificed, serum lipid level, abodominal aortic anti-oxidant activities and lipid peroxide were measured. These results indicated that serum total cholesterol, LDL-cholesterol, triglycerides concentration significantly lower in Magnolia obovata group than high cholesterol diet group. But HDL-cholesterol concentration had significantly higher in Magnolia obovata group than high cholesterol diet group. In conclusion, Magnolia obovata controls of lipid level of hyperlipidemia and hypercholesterolemia, thus suppresses the proliferation of intima in endothelial cells, which is risk factors of atherosclerosis induced high cholesterol diet in rats. I consider as Magnolia obovata is worth to using as atherosclerosis treatment.
Quality characteristics of Kwamaegi (semi-dried saury) prepared by treatment of chitosan-ascorbate (CA) and vacuum drying at $40{\sim}60^{\circ}C$(VDK), and the effect of the Kwamaegi on serum lipid profiles and anti-oxidation-related enzyme activity in rats fed high fat diets were investigated. The preparation periods were $4.5{\sim}8.3$ hr in VDK, while naturally dried Kwamaegi (NDK) took 360480 hr. Total microbe contents of VDK and NDK were $0.2{\sim}0.5$ and 8.2 log CFU/g, respectively. There was no significant difference in amino-nitrogen content. Compared with NDK, the acid and peroxide value, and fishy flavor of VDK40 (dried at $40^{\circ}C$) were significantly lower, and the texture, color and overall acceptability were higher. In animal experiments, weight gain, content of LDL-cholesterol and lipid peroxide, activities of total (T) and O type (O) xanthine oxidase, and the O/T ratio (%) were significantly lower in the VDK40 diet group than in the NDK diet group. The content of HDL-cholesterol in the VDK40 diet group was higher than in the NDK diet group. These results suggest that preparing CA-treated Kwamaegi with vacuum-drying at $40^{\circ}C$ can be applied throughout the year, and may shorten preparation time and improve its microbiological safety and nutritional values.
Kim, Do-Kyun;Kim, Jae-Won;Oh, Sung-Hee;Lee, Sang-Il;Kim, Mee-Jung;Kim, Soon-Dong
Journal of the East Asian Society of Dietary Life
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v.19
no.6
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pp.987-995
/
2009
The effects of Kwamaegi on serum lipid profiles and ROS(reactive oxygen spices) generating and scavenging enzyme activities were investigated in rats. The three experimental groups were divided as follows: normal control diet group (NC), 5% naturally prepared and freeze-dried Kwamaegi supplemented diet group (NPK) and 5% chitosan-ascorbate treated and artificially dried (CWDD: Chilly Wind & Dehumidification Drier) Kwamaegi supplemented diets group (CAK). There were no significant differences in weight gain, feed intake, feed efficiency ratio or organs weights per body weight including liver, kidney, heart and spleen among the group. In addition, there were no significant differences in serum triglyceride and total cholesterol contents. The HDL-cholesterol contents of the NC, CAK and NPK groups were 62.00, 36.48 and 78.44 mg/dL while LDL-cholesterol contents were 62.00, 36.48 and 78.44 mg/dL, respectively, which were significantly different. The atherogenic indeces in the experimental groups were 0.62, 1.20 and 0.13, respectively. There were no significant differences in total XOD (xanthine oxidoreductase) activities; however XOD type O activity was higher in the NPK group than un the NC group and in the CAK group XOD type O activity was 21~45% lower compared to NC and NPK groups. SOD (superoxide dismutase) activity was significantly higher in the CAK group than in the NC and NPK groups, while there were no significantly differences in GST (glutathione S-transferrase) activity among the groups. Furthermore, serum ALT activity was higher in the NPK group versus the NC and CAK groups. GSH (glutathione) content was higher and LPO (lipid peroxide) content lower in the CAK group compared to the NC and NPK groups. Forem the above results, we suggest that CA treated and artificially dried Kwamaegi is not only a hygienic product but also has lowering effects on LDL-cholesterol and the atherogenic index together with the lowering of ROS-generating and increasing of ROS-scavenging enzyme activities compared to other natural products.
Egg consumption has been limited to avoid cardiovascular diseases such as atherosclerosis and hyperlipidemia, because the yolk contains high levels of cholesterol. This study was conducted to evaluate the effect of the water-soluble component of egg-yolk on the growth efficiency, immune modulation, and changes in serum lipid levels in BALB/c mice. A total 5 wk old 120 BALB/c male mice were divided into 4 groups and were fed 0, 2, 10, and 20 mg/d water-soluble egg yolk extract (WSEYE) for 5 wk. Water-soluble egg yolk extract (WSEYE) uptake resulted in a significant reduction in daily weight gain and feed efficiency rate (FER). The mouse groups treated with 2 and 20 mg/d WSEYE showed a significant increase in populations of monocytes at the third wk and B-lymphocyte activity at the fifth wk. In addition, WSEYE uptake did not influence serum immunoglobulin E levels. In serum lipid-profile studies, treatment of WSEYE did not alter total cholesterol and low-density lipoprotein levels; however, blood triglyceride levels were significantly diminished in mice treated with 2 mg/d at the third wk (p<0.05), and the level of high-density lipoprotein was significantly increased in the mice group treated with 2 and 10 mg/d WSEYE after 5 wk (p<0.05). Taken together, the data demonstrate the beneficial effects of WSEYE in the diet on immune modulation and serum lipid profiles in mouse models; therefore, this study suggests that ingestion of water-soluble fraction of egg yolk might not be related to the increased risk of heart disease, but can be an excellent candidate for maintaining health.
You, Kyung Yi;Yun, Mi Eun;Lee, Kyoung Soon;Kim, Sin Seop;Yim, Jong Eun;Chun, Sung Soo
The Korean Journal of Community Living Science
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v.26
no.2
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pp.261-274
/
2015
Although fasting programs have recently attracted close attention because of benefits of detoxification, few studies have examined these programs. This study investigates the effects of a modified juice-based fasting program on lipid metabolism. A total of 33 volunteers fasted for 10 days and participated in program lectures, exercise programs, water bath regimens, and enemas. Pre- and post-program blood samples were obtained to evaluate lipoprotein levels. A paired t-test was conducted using SPSS 18.0. Changes in the lipid profile were observed during the juice-based fasting program and attending 3 degrees. All lipid profiles decreased significantly, including total cholesterol (TC) (p<0.001), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) (p<0.05). Program participation was documented by assessing attendance levels as high, moderate, and low. TC decreased significantly in all programs and levels (p<0.05), TG decreased proportionally only in enemas according to the attending degree: high (48 %), moderate (20 %), and low (10 %). HDL-C decreased at all low levels, but moderate exercise ($53.8{\pm}12.5mg/dL$ to $55.6{\pm}10.2mg/dL$) and a high enema ($54.9{\pm}14.1mg/dL$ to $55.0{\pm}9.4mg/dL$) showed small increases. The antioxidant property of the juice-based fasting program in terms of the blood vessel, enemas, and exercise played an important role in preventing cardiovascular disease from increased levels of HDL-C. These results suggest that juice-based fasting and combined lifestyle programs may help improve lipid metabolism and protect against dyslipidemia.
The objective of this study was to investigate the nutritional and health status of women industrial workers by working fields. One hundred forty eight (105 lead and 43 office) workers were recruited from March 2005 to October 2005. Information on age, education, smoking and drinking status were collected using questionnaire and nutrient intake and diet quality of workers were assessed by average of two-day 24 hr recall method. Biochemical indexes including blood lead level (PbB), indexes for iron status, serum calcium (Ca) and serum lipid profiles were analyzed from fasting venous blood or serum. Results showed that education level of lead workers was lower than that of office workers (p<0.05), but nutrient intake levels were not significantly different by working fields. Overall nutritional status of the subject were good except for calcium, vitamin $B_2$, C and folic acid intakes. PbB of lead workers were significantly higher than that of office workers while mean corpuscular hemoglobin concentration (MCHC) and serum Ca levels were significantly lower in lead workers. MCHC was positively correlated with zinc intake (r=0.166) and serum Ca was positively correlated with vitamin C intake (r=0.179). This study confirms that lead workers need extra care to keep their health and nutritional management especially for the nutrients known to interact with lead. Tailored nutrition education for workers at specific working fields needs to be more focused for the improvement of health status of industrial workers.
The aim of this study was to investigate the influencing factors that characterize low density lipoprotein (LDL) phenotype and the levels of LDL particle size in healthy Korean women. In 57 healthy Korean women (mean age, $57.4{\pm}13.1$ yrs), anthropometric and biochemical parameters such as lipid profiles and LDL particle size were measured. Dietary intake was estimated by a developed semi-quantitative food frequency questionnaire. The study subjects were divided into two groups: LDL phenotype A (mean size: $269.7{\AA}$, n = 44) and LDL phenotype B (mean size: $248.2{\AA}$, n = 13). Basic characteristics were not significantly different between the two groups. The phenotype B group had a higher body mass index, higher serum levels of triglyceride, total-cholesterol, LDL-cholesterol, apolipoprotein (apo)B, and apoCIII but lower levels of high density lipoprotein (HDL)-cholesterol and LDL particle size than those of the phenotype A group. LDL particle size was negatively correlated with serum levels of triglyceride (r = -0.732, $P$ < 0.001), total-cholesterol, apoB, and apoCIII, as well as carbohydrate intake (%En) and positively correlated with serum levels of HDL-cholesterol and ApoA1 and fat intake (%En). A stepwise multiple linear regression analysis revealed that carbohydrate intake (%En) and serum triglyceride levels were the primary factors influencing LDL particle size ($P$ < 0.001, $R^2$ = 0.577). This result confirmed that LDL particle size was closely correlated with circulating triglycerides and demonstrated that particle size is significantly associated with dietary carbohydrate in Korean women.
Kim, Mi Joung;Chung, Jee-Young;Kim, Jung Hee;Kwak, Ho-Kyung
Nutrition Research and Practice
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v.7
no.6
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pp.430-438
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2013
Increased oxidative stress in obese diabetes may have causal effects on diabetic complications, including dyslipidemia. Lipopolysccharides (LPS) along with an atherogenic diet have been found to increase oxidative stress and insulin resistance. Cranberry has been recognized as having beneficial effects on diseases related to oxidative stress. Therefore, we employed obese diabetic animals treated with an atherogenic diet and LPS, with the aim of examining the effects of cranberry powder (CP) on diabetic related metabolic conditions, including lipid profiles, serum insulin and glucose, and biomarkers of oxidative stress. Forty C57BL/KsJ-db/db mice were divided into the following five groups: normal diet + saline, atherogenic diet + saline, atherogenic diet + LPS, atherogenic diet + 5% CP + LPS, and atherogenic diet + 10% CP + LPS. Consumption of an atherogenic diet resulted in elevation of serum total cholesterol and atherogenic index (AI) and reduction of high density lipoprotein (HDL)-cholesterol. However, with 10% CP, the increase in mean HDL-cholesterol level was close to that of the group with a normal diet, whereas AI was maintained at a higher level than that of the group with a normal diet. LPS induced elevated serum insulin level was lowered by greater than 60% with CP (P < 0.05), and mean serum glucose level was reduced by approximately 19% with 5% CP (P > 0.05). Mean activity of liver cytosolic glutathione peroxidase was significantly increased by LPS injection, however it was reduced back to the value without LPS when the diet was fortified with 10% CP (P < 0.05). In groups with CP, a reduction in mean levels of serum protein carbonyl tended to occur in a dose dependent manner. Particularly with 10% CP, a reduction of approximately 89% was observed (P > 0.05). Overall results suggest that fortification of the atherogenic diet with CP may have potential health benefits for obese diabetes with high oxidative stress, by modulation of physical conditions, including some biomarkers of oxidative stress.
Kim, Hyun-Ju;Yun, Ye-Rang;Song, Yeong-Bok;Song, Yeong-Ok
Food Science and Biotechnology
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v.17
no.2
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pp.362-366
/
2008
Anti-lipogenic effects of tannic acid on 3T3-L1 adipocytes as well as on rats fed high fat diet (HFD) were investigated. Tannic acid stimulated lipolysis through suppression of the leptin secretion and an increase of glycerol release in a dose dependent manner in 3T3-L1 adipocytes. For animal study, the rats were fed either HFD or HFD supplemented with 1%(w/w) tannic acid (HFDT) for 12 weeks, respectively. Body weight gain, liver weight, and visceral fat mass in rats fed HFDT were significantly decreased compared to those of rats fed HFD. The lipid profiles of HFDT group were significantly decreased compared with HFD group in the serum and liver, whereas fecal total cholesterol excretion was increased in HFDT group. These results suggest that anti-lipogenic effect of tannic acid in 3T3-L1 adipocytes and in rats fed HFD may be due to the stimulation of lipolysis and the reduction of lipid levels.
The purpose of this study was to investigate the effects of dietary Chungkookjang (Korean fermented soybean) powder on blood glucose level, lipid profiles, antioxidant enzymes activities and histological changes in kidney of streptozotocin (STZ)-induced diabetic rats. Male Sprague-Dawley rats of three groups including nondiabetic group fed normal diet (NC), diabetic group fed normal diet (DC) and diabetic group fed Chungkookjang diet (DCH; 100 g/kg diet) were reared for 8 weeks. The serum glucose, triglycelide and total lipid levels in the DCH group were significantly lower (P<0.05) than the DC group. The renal xanthine oxidase, catalase and glutathione S-transferase activities in the DC group were significantly higher than the NC group. The xanthine oxidase, superoxide dismutase and glutathione S-transferase activities in the DCH group were significantly lower than the DC group (P<0.05). Tubular epithelial change, such as Armanni-Ebstein cells, was significantly reduced in the DCH group compared to the DC group. In conclusion, these results indicated that Chungkookjang supplement seems to be beneficial to correct the hyperglycemia and hyperlipidemia as well as to protect kidney against diabetic changes.
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