Objectives : The purpose of this study is to find out the effect of antioxidation related to aging of Cheongeumyeonsudan which is written on Dongui-bogam experimentally. Method : 14 weeks aged SD albino rats were separated into uncontrolled group, controlled group and CGY group. As controlled and CGY groups were induced aging by subcutaneous injection of D-galactose, at the same time we administered the extract of Cheongeumyeonsudan to CGY group for 6 weeks. After then we drew blood from each group, and took measurements; the activity of SOD, GSH-px, catalase in erythrocytes, TBARS value, concentration of total lipid, tryglycende, total cholesterol, HDL-cholesterol in blood plasma. Results : The activities of SOD, GSH-px in erythrocytes were significantly increased in the CGY group compared with control group. The activity of catalase showed a tendency to increase, but it was nor remarkable. The concentration of total lipid, the values of TBARS and total cholesterol was significantly decreased in the CGY group compared with control group, and the concentration of plasma HDL-cholesterol was not remarkable. The concentration of tryglycende in plasma showed a tendency to decreased. Conclusions : it is suggested that Cheongeumyeonsudan decreased the activities of free radical, the concentration of lipid in plasma and generate enzyme which form lipid peroxide.
Antioxidant enzymes such as catalase (CAT), glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) are known to inhibit oxidative reactions by incativating compounds responsible for the formation of ree radicals. SOD transforms superoxide radical into hydrogen peroxide which is precursor to active free radicals. CAT reduces hydrogen peroxide to water. GSH-Px reduces hydroperoxides to corresponding alcohols. Antioxidant enzyme activities of muscle are different by animal species age, stress and exercise, muscle type and part, conditions of post mortem, storage and processing which are related to oxidative deterioration I muscle foods as well as oxidative defence in living systems. Antioxidant enzyme systems are enhanced rather than weakened in aging skeletal muscle. Red muscle contains higher antioxidant enzyme activity than white muscle. The antioxidant enzyme activities of poultry are higher in leg than in breast, and those of beef are higher in redder and more unstable muscles. It is clear that the effectiveness of the antioxidant enzyme in muscle foods seems to be influenced by meat processing operations. Both GSH-Px and CAT are inactivated by heat processing NaCl also influence the efficiency of the antioxident enzymes since its presence diminishes their catalyitc activity.
The aim of this study was to evalute the effect of multivitamin-mineral supplementation during pregnancy on plasma levels of antioxidants, erythrocyte antioxidant enzyme activities, and lipid peroxidation. A controlled, semi-randomized, prospective trial was performed by comparing the supplement group, which received multivitamin-mineral tables once daily for 10 weeks, with the control group. Plasma levels of $\beta$-carotene, tocopherol, coenzyme Q10, ascorbate, folate, zinc, and selenium and malondialdehyde (MDA), as well as the activities of superocxide dismutase(SOD) and glutathione peroxidase(GSH-Px) in erythrocytes were measured initially (20 wk gestation) and at the end of the intervention (34 wk gestation). In the control group, plasma ascorbate and selenium levels decreased and tocopherol levels increased. In the supplement group, a significant increase in plasma $\beta$-carotene(46%), conenzyme Q10 (42%), and zinc (24%) was observed after 10 weeks of supplementation. No changes were observed in the plasma levels of MDA, and erythrocyte GSH-Px activity, while SOD activity increased in both control group and the supplement group during the intervention. These data suggest that multivitamin-mineral supplementation during pregnancy produced moderate increases in plasma $\beta$-carotens, coenzyme Q10, and zinc concentrations but the enhancement of those plasma antioxidants had on direct on the plasma level of MDA, erythrocytes SOD or GSH-Px activities.
Increased oxidative stress contributes to the progression of atherosclerosis. We measured serum antioxidant mineral concentrations, capacities of serum antioxidant enzymes and fasting lipid profile in 97 male patients with coronary artery disease (CAD) and 21 male controls. Nutrient intake was assessed by the semi-quantitative food frequency method. CAD patients were divided into single-vessel disease (SVD, n=66) and multi-vessel disease (MVD, n = 31) groups on the coronary angiography. The ratio of serum LDL- to HDL-cholesterol elevated with an increasing number of diseased vessels compared to the control (control < SVD < MVD, p < 0.05). Patients with SVD and MVD had higher levels of serum lipoprotein (a) than the control (p < 0.05). The mean intake of carbohydrate, protein and cholesterol was higher in MVD patients and the intakes of vitamins C and E were lower in MVD and SVD patients than in the control (p < 0.05). Serum copper (Cu) and zinc (Zn) levels were higher in MVD and SVD patients than in the control (Cu: control $75.8{\pm}5.07$, SVD $99.2{\pm}2.90$, MVD $100.1{\pm}2.32{\mu}g/dL$, p<0.01; Zn: $76.8{\pm}5.36$, $119.0{\pm}5.95$, $129.1{\pm}2.70{\mu}g/dL$, p < 0.01). And the ratio of Zn to Cu was higher in SVD and MVD patients than in the control (control $0.78{\pm}0.06$, SVD $0.88{\pm}0.05$, MVD $0.99{\pm}0.04$, P < 0.05). The activity of glutathione peroxidase (GSH-Px) was lower in MVD than in SVD and the control (control $35.13{\pm}1.34$, SVD $35.30{\pm}1.01$, MVD $31.00{\pm}1.04 U/mg$ protein, p < 0.05). The ratio of the activities of superoxide dismutase (SOD) to GSH-Px was higher in MVD than in control and SVD (p < 0.05). In groups with CAD, serum Cu and Zn concentrations and their ratio were changed compared to the control. GSH-Px activity was decreased and the ratio of SOD to GSH-Px was increased in the patients with MVD. The balances between the activities of SOD and GSH-Px should also be considered a risk factor in CAD patients.
Objectives : Suoyounsoodan(首烏延壽丹) composed of Polygonum multiflorum THUNB. and some medical herbs is known as formula of senescence delay effect The purpose of this study is to investigate the effect of Suoyounsoodan(首烏延壽丹) on antioxidant enzyme activity such as Thiobarbituric acid reactive substance(TBARS), Superoxide dismutase(SOD), Catalase(CAT), Glutathione peroxidase(GSH-px) in rat plasma and liver. Methods: Sprague-Dawley rats divided into 4 groups, Young group(8 weeks old, N-8), Aging group(18 weeks old, N-18), pathologically induced aging group(injected D-galactose 50mg/kg, 1time/day for 6 weeks, CON) and Suoyounsoodan(首烏延壽丹) administered group(D-galactose 50mg/kg and Suoyounsoodan extracts 840.0mg/kg 1time/day for 6 weeks, SOY). Rats were sacrificed and TBARS, SOD, CAT, and GSH-px were mesured in rat plasma and liver. Results: Plasma and liver TBARS concentrations of SOY group was sinificantly lower than that of control. Red blood cell(RBC) SOD activities of SOY group was increased(F=3.405, p=0.034, ANOVA test), and RBC catalase activities of all experimental groups were not significantly different. RBC GSH-px activities of SOY group was increased(F=9.261, p=0.0001, ANOVA test). Liver SOD activities of SOY group was higher than that of control(F=3.806, p=0.023, ANOVA test). Liver catalase activities of all experimental groups were not significantly different, and liver GSH-px activity of SOY group was significantly higher than that of control(F=3.572, p=0.029, ANOVA test). Conclusions: According to the above results, It is considered Suoyounsoodan is effective in inhibiting lipid peroxidation and increasing anti oxidative enzyme activities in D-galactose induced aging rat.
Journal of the Korean Society of Food Science and Nutrition
/
v.25
no.5
/
pp.839-845
/
1996
To investigate effects of Jujube methanol extract on the carbon tetrachloride-induced liver damage in rats, experimental animals were divided into 4 groups; control group(CON), Jujube methanol extracttreated group(JME), $CCl_4$- treated groups(CCl), and Jujube methanol extract and $CCl_4$-treated group (JMC). Each group was sacrificed after 2 or 4week feeding and determined the activities of serum transaminase(GOT, GPT) and hepatic xanthine oxidase, superoxide dismutase(SOD), catalase and glutathione peroxidase(GSH-Px), and hepatic contents of thiobarbituric acid-reactants(TBARS) and glutathione in liver. The activities of sGOT and sGPT, and the hepatic content of TBARS after $CCl_4$-treatment were markedly increased, compared to CON, but those levels were significantly decreased by the pretreatment of Jujube methanol extract, especially in sGOT after 2 and 4 week and TBARS after 4week respectively. Xanthine oxidase activity was increased by $CCl_4$- treatment as compared to CON, but it was also inhibited by the pretreatment of Jujube methanol extract for 2 and 4 week. The activities of SOD, catalase and GSH-Px were elevated by $CCl_4$-treatment, compared to CON, but those elevated activities were showed significant decreasing effect by pretreatment of Jujube methanol extract after 2 and 4week as compared to CON, however, hepatic catalase activity was not affected significantly. These results suggest that Jujube methanol extract is believed to be a possible protective effect for the carbon tetrachloride-induced hepatotoxicity in rats.
Objectives: Younnyeniksoobulrodan(延年益壽不老丹) composed of Polygonum multiflorum THUNB. and some medical herbs is known as formula of senescence delay effect. The purpose of this study is to investigate the effect of Younnyeniksoobulrodan(延年益壽不老丹) on antioxidant enzyme activity such as Thiobarbituric acid reactive substance(TBARS), Superoxide dismutase(SOD), Catalase(CAT), Glutathione peroxidase (GSH-px) in rat erythrocytes and liver. Methods: Sprague-Dawley rats divided into 4 gorups, Young group(8 weeks old, N-8), Aging group(18 weeks old, N-18), pathologically induced aging gorup(injected D-galatose 50mg/kg, 1time/day for 6 weeks, CON) and Younnyeniksoobulrodan(延年益壽不老丹) administered group(D-galactose 50mg/kg and Younnyeniksoobulrodan extracts 840.0mg/kg 1time/day for 6 weeks, YIB). Rats were sacrificed and TBARS, SOD, CAT, and GSH-px were measured in rat erythrocytes and liver. Results: Plasma and liver TBARS concentrations of YIB group were significantly lower than those of control. Red blood cell(RBC) SOD activities of YIB group was increased(F=3.445, p=0.033, ANOVA test), and RBC catalase activities of all experimental group were not significantly different. RBC GSH-px activities of YIB group was increased(F=9.365,p=0.0001, ANOVA test). Liver SOD activities of YIB group was higher than those of control(F=4.967, p=0.008, ANOVA test). Liver catalase activities of all experimental group were not significantly different, and liver GSH-px activity of YIB group was significantly higher than that of control(F=3.846, p=0.022,ANOVA test). Conclusions: According to the above results, it is considered that Younnyeniksoobulrodan is effective in inhibiting lipid peroxidation and increasing antioxidative enzyme activities in D-galactose induced aging rat.
This study was to investigate the effect of selenium on hepatic antioxidative defense system and oxidative damage in lead-administered rats. Male Sprague-Dawley rats weighing 140$\pm$5g were divided into one normal group(Se, 0 ppm) and three lead groups according to dietary levels of selenium supplementation: Pb0(Se, 0 ppm), PbS(Se, 0.5 ppm), and PbSS(Se, 1.0 ppm). All experimental groups were fed the experimental diet ad libitum for 4 weeks, and lead groups fed one containing 2,000 ppm lead acetate. Liver superoxide dismutase(SOD) activities in Pb0 group increased compared with other experimental groups. Liver gluthathione peroxidase(GSH-px) activities in Pb0 group decreased compared with normal group, but those of PbS and PbSS groups significantly increased compared with Pb0 group. Glutathione S-transferase(GST) activities decreased in Pb0 group and not significantly different from PbS and PbSS groups compared with normal group. Reduced glutathione(GSH) contents and GSH/GSSG of liver in Pb0 group were lower than those of other groups. Liver vitamin E contents in Pb0 group were about 50% of the normal group, but those of PbSS and PbS increased more than Pb0 group. Liver damage in electron microphotography process decreased in RER, showed an increase in Iysosome and also an increase in swelling of mitochondria. and ordered as follows : PbSS. PbS. and Pb0. It was concluded that high levels of dietary selenium had protective effects on peroxidative damage of hepatic cell accompanied with increased antioxidative defense system in lead-administered rats.
To investigate the antioxidative effects of Prunus mume ethanol extract on the ethanol-induced hepatotoxicity in rat liver, Sprague-Dawley rats weighing 120∼160 g were divided into 5 groups; normal group(NOR), Prunus mume ethanol extract 200mg/kg treated group(PME), ethanol(10 mL/kg, 35%) treated group(ETH), Prunus mume ethanol extract 200 mg/kg and ethanol treated group (PML) and Prunus mume ethanol extract 400 mg/kg, and ethanol treated group(PMF), respectively. The antioxidative activity in vitro was reduced in order of EtOAC>n-hexane>water> chloroform fraction. The growth rate and feed efficiency ratio decreased by ethanol administration were gradually increased to the adjacent level of NOR by administering Prunus mume ethanol extract. It was observed that activities of catalase, superoxide dismutase(SOD), xanthine oxidase and glutathione peroxidase(GSH-Px) of liver and alanine aminotransferase(ALT) and asparate aminotransferase(AST) of serum were elevated by ethanol administration. Besides, Prunus mume ethanol extract markedly decreased elevated activites of catalase, GSH-Px, ALT and AST, except in activites of SOD and xanthine oxidase compared to ETH. Also, the depleted content of GSH by ethanol was increased similar to NOR level by administering Prunus mume ethanol extract. These results suggested that Prunus mume ethanol extract has a possible protective effect on the ethanol-induced hepatotoxicity in rat liver.
The study was designed to observe antioxidant activities of conjugated linoleic acid (CLA) by determining antioxidant enzyme protein levels [cytochrome P4502 El (CYP2E1), Copper, Zinc-superoxide dismutase (CuZn-SOD), glutathione peroxidase (CSH-Px), glutathione S-transferase (GST)] by Western blot analysis and the levels of ${\alpha}$-tocopherol and 2-thiobarbituric acid reactive substances (TBARS) in the liver of chronically ethanol-treated rats. Sixty Sprague Dawley male rats were divided into 3 groups (Control, EtOH, EtOH+CLA). All rats were fed Lieber-DeCarli liquid diet for 4 weeks by pair-feeding against the EtOH group. The liquid diet was supplemented with 1.77g CLA mixture per kg diet in the EtOH+CLA group. Isocaloric maltose dextrin was added in replace of 50g ethanol (36%kcal) for the Control group. Ethanol ingestion significantly increased the levels of CYP2E1 protein and TBARS, but significantly reduced CuZn-SOD protein level and increased GST protein level. There was no significant effect on the level of GSH-Px protein and ${\alpha}$-tocopherol in the liver by ethanol. CLA supplementation with ethanol significantly increased the levels of CuZn-SOD, GSH-Px and GST and also significantly attenuated TBARS level, whereas there was no significant effect on the levels of CYP2E1 protein and ${\alpha}$-tocopherol by CLA. Overall, the CLA supplemented to ethanol could significantly increase the levels of CuZn-SOD, GSH-Px and GST proteins and reduce the level of TBARS in the liver of chronically ethanol-treated rats.
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