Effect of mixture of food material water extracts(modouri) composed of Job's tears, maize, buckwheat Japanese mushroom, lovage, licorice and jujube(13 : 50 : 15 : 2 : 5 : 5 : 5, v/v)] on the content of testosterone(T) and dihydrotestosterone(DHT), biochemical and histological changes of rat were investigated. Animal experiments(30 rats) were divided into 3 experimental groups(control, modouri and propecia). The summarized results were as follows: Activities of GOT, GPT, ALP, ${\gamma}$-GTP and content of total cholesterol and total lipid are normal in modouri group. Therefore modouri does not give rise to any damage in the liver. Also in the histological view, modouri does not have any hepatotoxic effect and increase the number of hair folicle. Total(T+DHT) and DHT content in rat serum and skin are significantly decrease in modouri group compare to the control but there is not any significant difference with propecia.
This experiment investigated whether yogurt containing fermented pepper juice (FPJY) affects cholesterol level in high fat and high cholesterol diet (HFCD) fed rat. Twenty five Sprague-Dawley male rats of 7 wk were divided into 5 groups, and fed following diets for 9 wk; CON (control diet), HFCD (HFCD), PY (HFCD supplemented with 2% of plain yogurt), LFY (HFCD supplemented with 2% of FPJY), and HFY (HFCD supplemented with 5% of FPJY). In the LFY group, hepatic total lipid level decreased significantly compared to the HFCD group (p<0.05). Serum HDL cholesterol level tended to increase and hepatic total cholesterol level decreased and were comparable to the CON group (p>0.05). In HFY group, body weight and hepatic total lipid level significantly decreased over the HFCD group (p<0.05). Serum and hepatic total cholesterol level, kidney, and body fat weights decreased, and were compared to the CON group (p>0.05). Liver weight decreased as FPJY content was increased. Results suggested FPJY would inhibit organ hypertrophy and accumulation of body fat, hepatic lipid, and cholesterol in HFCD fed rat.
This study was performed to evaluate the effect of red-yeast-rice on blood lipids and also to investigated the relation of blood lipids, bone related hormones, and bone mineral density in overiectomized rats. Forty female rats (body weight $210\pm5$g) were divided into two groups. The rats in the first group were ovariectomized which the others received sham operation (SHAM). And then each rat group was further divided into control diet $(casein\;20\%)$ and red-yeast-rice powder supplemented $(0.1\%)$ diet group. All rats were fed on experimental diet and deionized water ad libitum for 9 weeks. Bone mineral density (BMD) and bone mineral content (BMC) were measured using PIXImus in spine and femur. Bone formation and bone resorption were measured by serum osteocalcin and urinary deoxypyridinoline (DPD) crosslinks value. Serum growth hormone, IGF-1 and calcitonin were analyzed using radioimmunoassay kits. The red-yeast-rice group had significantly lower the blood triglyceride concentration and had lower the blood total cholesterol concentration than casein group did in ovariectomized rats. And the red-yeast-rice group than casein group in ovariectomized rats. The red-yeast-rice group had significantly lower the atherogenic index than control group within the ovariectomized groups. In the experimental rats, serum total cholesterol concentration was negatively correlated with femur BMC and crosslink value. Crosslink value was negatively correlated with spine BMC and IGF-1. Osteocalcin concentration was negatively correlated with crosslink value. Growth hormone was negatively correlated with crosslink value and positively correlated with spine BMC. The findings of this study suggest that red-yeast-rices are beneficial for blood lipid in ovariectomized rats. And when considering a population-based public health approach to lowering cholesterol and bone loss, and preventing coronary heart disease and osteoporosis, the red-yeast-rice dietary supplement could provide a new approach for the maintenance of healthier cholesterol and bone.
This study was conducted to evaluate effects of dietary pine cone meal on growth performance, serum cholesterol, carcass quality and fatty acid composition and cholesterol content of meat in broiler chickens. Three treatments were assigned to 480(2 days) Arbor Acre broiler chicks with eight replications, allocating 20 broiler chicks in each replication. Dietary treatments included 1) CS(1% cottonwood sawdust), 2) PCM0.5(0.5% cottonwood sawdust + 0.5% pine cone meal) and 3) PCM1.0(1% pine cone meal). During the overall period the difference of growth performance was not significant among treatments (P>0.05). Also, cholesterol profile(total, HDL, LDL cholesterol and triglyceride) in serum and carcass characteristic were not affected by treatments(P>0.05). TBARS of leg and breast meat was significantly decreased (P<0.05) in PCM1.0 treatment compared to CS treatment. In fatty acid contents of leg meat, C20:0 was significantly higher in PCM0.5 treatment than PCM1.0 treatment(P<0.05). Also, C18:3n3 was significantly lower in PCM1.0 treatment than other treatments(P<0.05). Cholesterol contents of leg, breast meat and abdomen fat were not significant among treatment(P>0.05). In conclusion, results of the experiment were affected by dietary supplementation of pine cone meal on TBARS of leg and breast meat.
This study was designed to find out the effects of aerobic exercise on lipid and Ca metabolism in seven healthy college women, aged 20 to 22 years. Metabolic studies were conducted before and after a 10-weeks exercise period, during which subjects participated in the planned aerobic dance program every day except Sunday. The initial mean time engaged in the exercise was 28 minutes and it was gradually increased up to 45 minutes around the middle point of the exercise period. During both of metabolic study periods, the subjects ate experimental diets which supplied about 120g of protein and 600mg of Ca daily and during the rest of the experimental period they ate their usual diets. The use of alcoholic beverages and drugs were prohibited. The results were summarized as follows. 1) The effect of exercise on lipid metabolism. (1) Mean body weight decreased significantly after exercise(p<0.01) and it did not show a significant decline in skinfold thickness and total body fat contents. (2) Serum total cholesterol level decreased significantly after exercise(p<0.05) and TG level also tended to be lower than that of pre-exercise period. Exercise did not exert any influence on the level of serum HDL-cholesterol in this study. (3) Exercise did not alter total lipid content in feces and apparent lipid absorption rate. 2) The effect of exercise on Ca and P metabolism. (1) After exercise, focal Ca excretion was slightly reduced, however, urinary Ca excretion was not significantly changed. In the results, a slight increase was shown in body Ca retention after exercise. (2) Exercise tended to increase urinary P excretion, but neither P balance nor fecal excretion was significantly changed after exercise. (3) Bone mineral content was not affected by exercise. In summary, aerobic exercise decreased total cholesterol and TG level in serum and tended to increase body Ca retention. With the results, it can be concluded that the additional physical activities beyond the normal daily life in college women might prevent some degenerative diseases-suchas atherosclerosis and osteoporosis.
The present study was undertaken to determine the metabolic effect of various levels of fat in the diet. Forty males and the same number of females weighing $35{\pm}29$ were divided into three experimental groups and one control group, 10 rats each in both sexes. The dietary lipid contents were included in three levels, 2% as low, 30% as high and fat free diet in order to reflect the lipid consumption of present Korean diet. 20% sugar casein diet were employed as standard for control animals. This study was carried for 16 weeks. After these period animals were sacrificed to collect the internal organs and blood samples by heart puncture. In the result of this study, high fat diet group is lower than low fat diet group in the body weight gain, food efficiency ratio, protein efficiency ratio, urinary nitrogen and organ nitrogen contents were same trend but there is no significant difference in these respects. It was noteworty that high, and free fat diet group revealed more glucose total protein, albumin and globulin contents in the serum than other compared groups. It can be concluded that fat content whether low or high are free in the diet did not show significant effect on body nitrogen metabolism. But 30% high fat diet increased the total lipid and total cholesterol contents in the liver and the serum. This fact can be interpreted that 2% low fat diet and fat free diet do not need to increase the amount of fat content in the diet as high as 30% fat diet. This result might indicate the one possible reason to decide the recommanded dietary fat levels in Korean diet.
This study was performed to investigate the influence of dietary fibers on the serum lipid level and bowel function in aged rats. Fiber sources of experimental diets were made from mugwort(M), butterbur(B), apple(A), sea mustard(S) by drying and milling. Each of fiber sources was mixed into the diet at the level of 5, 15% of diet. Sprague-Dawley strain, 13 month old male rats were divided into 9 groups by randomized complete block design : C, M5, B5, A5, S5, M15, B15, A15, S15. The animals were fed ad libitum each of experimental diets for 4 weeks. Control group showed lower food intake compare to the other groups. There were no significant difference between 5% groups and 15% groups in food intake. Fecal weight, dry fecal weight and fecal water content of control group were significantly lower than those of experimental groups, and fecal water content was increased by increasing level of dietary fibber. Apple group showed the lowest values, sea mustard group showed the highest. The shorter transit time was observed in the group of higher intake of dietary fiber. At the same level of dietary fiber, transit time of sea mustard group was shorter than the other groups. With increasing age, serum triglycerides, total cholesterol were increased and HDL-cholesterol was decreased. Fiber fed groups showed lower serum TG, TC and higher HDL-c level compare to the control group. Absorption rates of calcium, magnesium and phosphorus was tend to be lower in the group fed dietary fiber sources than control group. Mucosa weight and maltase activity in the small intestine were decreased by increasing age. As intake of dietary fiber increaed, mucosa weight in the small intestine was not different but maltase activity was decreased.
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.
The purpose of this study was to identify the effect on plasma levels of lipid and lipid peroxidation by administration of lactic acid bacteria (Lactobacillus bulgaricus, Streptococcus thermophilus, Lactobacillus acidophilus) fermented Orostachys malacophyllus (FOM) in alcohol fed rats. Male Sprague-dawley rats were randomly divided into seven groups: normal diet group (N), alcohol treated group (C), 2.5% (w/w) or 5% (w/w) OM treated group (2.5OM, 5OM), 2.5% (w/w) or 5% (w/w) fermented OM treated group (2.5FOM, 5FOM) and silymarin treated group (SM) as a positive control. As a result of measuring serum total lipid, C group were increased total lipid, free fatty acid content and were decreased HDL-cholesterol content, but 5FOM group were significantly decreased lipid content and were increased HDL-cholesterol content and accordingly reduced the incidence of atherosclerosis. Serum total protein content was similarly measured in all groups and serum albumin content was decreased in alcohol feeding groups compared to the N group. The 5FOM group had significantly decreased liver and serum triglycerides compared to the C group. The TBARS content in the liver, serum, testis, kidney, spleen, and heart were slightly decreased in the 5FOM group compared to the C group and the 5FOM group had an increased glutathione concentration. The 5FOM treatment was showed analogous results to those of the SM treatment, suggesting that FOM is can improve the lipid profiles of alcohol-fed rats.
Journal of Physiology & Pathology in Korean Medicine
/
v.21
no.1
/
pp.111-116
/
2007
The aim of this study was to evaluate the effect of Lycii fructus (LF) on serum lipid and the collagen content of the connective tissues in ovariectomized rats. From day 2 until day 37 after the ovariectomy, Sprague-Dawley female rats were randomly assigned to the following groups : sham-operated rat (Sham), ovariectomized control rat (OVX-control), and ovariectomized rats supplemented with the LF 50mg/kg bw/day (OVX-LF). The LF ethanol extract were orally administrated 1ml per day. Body weight gain was not significantly different in groups. Although total-cholesterol and triglyceride were increased in the ovariectomized control, supplementation with the LF extract decreased the levels. Moreover, the serum HDL-cholesterol levels were significantly increased after supplementation with the LF extract(p<0.05). Supplementation with the LF extract prevented a decrease in the collagen level in bone and cartilage tissues. These results are consistent with the conclusions based on the estrogenic activities of LF. Therefore, it may be used to possibly improve the quality of life in menopausal women.
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