• 한국식품영양과학회지
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• 제40권8호
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• pp.1107-1112
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• 2011

본 연구는 기존에 알코올 해독 기능이 우수한 것으로 알려진 헛개나무 열매 추출물과 헛개나무 열매 추출물을 주성분으로 하여 매실 및 댕댕이나무 열매 추출물이 혼합되어진 새로운 식품 조성물의 항알코올 기능에 대한 효능을 비교 분석함으로써 새로운 알코올 독성 경감 소재를 개발하고자 하였다. 새로운 식품 조성물인 SAC-1을 흰쥐에게 투여한 후 알코올을 섭취시켰을 때 혈중 알코올 농노의 저하가 헛개나무 추출물에 비하여 매우 우수한 효능이 있는 것으로 나타났으며, 간손상의 지표인 GOT, GPT에 있어서 대조군에 비하여 낮은 값을 나타내어 알코올에 의한 간손상을 경감시킬 수 있는 것으로 생각된다. 또한, 조직에서 산화적 손상으로 효능을 살펴본 결과는 지질과산화물의 생성을 혈장과 간 조직에서 모두 억제하는 것으로 나타났으며, total glutathione의 감소를 억제하는 것으로 나타나 SAC-1은 알코올성 조직 손상에서 충분한 보호 작용을 나타낼 수 있었던 것으로 생각된다. 특히 SAC-1은 헛개나무 열매 추출물 단독 사용에 비해서 더 높은 활성을 나타낸 것으로 나타났으며, 이것은 SAC-1이 알코올 해독에 좋은 천연 성분을 함유하고 있는 결과로 추측된다. 이상의 결과에서 SAC-1은 알코올로 인해 유도되어지는 조직 손상 및 숙취 증상으로부터 조직을 보호할 수 있는 능력이 있는 것으로 생각된다.

• Journal of Ginseng Research
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• 제35권2호
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• pp.243-249
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• 2011

Korean red ginseng (KRG), the steamed root of Panax ginseng Meyer, has a variety of biological properties, including anti-inflammatory, antioxidant and anticancer effects. Aflatoxin $B_1$ ($AFB_1$) produced by the Aspergillus spp. causes acute hepatotoxicity by lipid peroxidation and oxidative DNA damage, and induces liver carcinoma in humans and laboratory animals. This study was performed to examine the protective effects of KRG against hepatotoxicity induced by $AFB_1$ using liver-specific serum marker analysis, histopathology, and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling. In addition, to elucidate the possible mechanism of hepatoprotective effects, superoxide dismutase, catalase, glutathione peroxidase, and malondialdehyde were analyzed. Rats were treated with 250 mg/kg of KRG (KRG group) or saline ($AFB_1$ group) for 4 weeks and then received 150 ${\mu}g/kg$ of $AFB_1$ intraperitoneally for 3 days. Rats were sacrificed at 12 h, 24 h, 48 h, 72 h, or 1 wk after $AFB_1$ treatment. In the KRG pre-treatment group, serum alanine aminotransferase, aspartate aminotransferase, and malondialdehyde levels were low, but superoxide dismutase, catalase, and glutathione peroxidase activities were high as compared to the $AFB_1$ alone group. Histopathologically, $AFB_1$ treatment induced necrosis and apoptosis in hepatocytes, and led to inflammatory cells infiltration in the liver. KRG pre-treatment ameliorated these changes. These results indicate that KRG may have protective effects against hepatotoxicity induced by $AFB_1$ that involve the antioxidant properties of KRG.

• 생약학회지
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• 제19권4호
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• pp.270-277
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• 1988

Gamiinjinoryung-San is composed of eight crude drugs including Artemisiae capillaris Herba which is widely used for the treatment of acute jaundice, acute and chronic hepatitis at the Oriental hospital of Kyung-Hee Medical Center. This study was conducted to investigate the effects of water extract of Gamiinjinoryung-San on the liver function. The results obtained were as follows; the extract markedly reduced LDH and ALP activities, but slightly decreased GOT and GPT activities elevated with D-galactosamine in rat serum. The liver protective activities were shown in $CCl_4-intoxicated\;rats$. The extract prevented the prolongation of sleeping time in $CCl_4-intoxicated\;rats$. The bile flow and the biliary bile acid secretion were significantly increased in normal rats.

• 한국환경보건학회지
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• 제32권3호
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• pp.235-239
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• 2006

Cichorium intybus (Compositae) has been used for fevers, dyspepsia, headache and jaundice, as a demulcent. Also, it has relaxation effects and relief effects against coffee and teas, and is widely used as food. We investigated anti-lipid peroxidative effects and liver protective activity on $CCl_4$ induced lipid peroxidation and hepatotoxicity in rats. MeOH Ex. enhanced the inhibition of anti-lipid peroxidative effects in liver lipid. In chemical parameters obtained from serum analysis, MeOH Ex. revealed significant decrease on hepatotoxicity. The results were as follows; 1. The inhibitory effects of lipid peroxidation were shown in accordance with the increase of samples' concentration level. 2. In chemical parameters obtained from serum analysis, the activities of GOT, GPT, AlP were restored to near the normal level. The contents of cholesterol and BUN showed inhibitory effects with valence. 3. The weights of liver and spleen were not able to restore to the normal level. But on a general level, they were reduced more than the control group.

• 환경생물
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• 제27권2호
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• pp.230-236
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• 2009

An extract of Allomyrina dichotoma larva (ADL), one of the insects used most frequently in traditional Chinese medicine for the treatment of liver diseases such as hepatocirrhosis and hepatofibrosis, was assessed for antioxidant bioactivity in this study. In the current work, we have investigated the protective effects of ADL extracts on tert-butyl hydroperoxide (t-BHP)-induced hepatotoxicity in cultured hepa1c1c7 cells and in the mouse liver. The treatment of the hepa1c1c7 cells with ADL extracts induced a significant reduction of t-BHP-induced oxidative injuries, as determined by cell cytotoxicity, lipid peroxidation (LPO) and reactive oxygen species contents, in a dose-dependent manner. Moreover, ADL extracts evidenced a protective effect against t-BHPinduced oxidative DNA damage, as revealed by the results of the Comet assay in hepa1c1c7 cells. ADL extracts also protected against hydroxyl radical-induced 2-deoxy-d-ribose degradation by ferric ion-nitrilotriacetic acid and $H_2O_2$. In addition, ADL extracts were shown to be able to quench 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radicals. Our in vivo study revealed that ADL extracts pretreatment applied prior to t-BHP administration significantly prevented an increase in the serum levels of hepatic enzyme markers and reduced LPO in the mouse liver in a dose-dependent manner. Taken together, these results suggest that the protective effects of ADL extracts against t-BHP-induced hepatotoxicity may be attributable, at least in part, to its ability to scavenge free oxygen radicals, and to protect against DNA damage due to oxidative stress.

• 생약학회지
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• 제25권3호
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• pp.272-277
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• 1994

Meliae toosendan Fructus, the seed of Pagoda tree, Melia toosendan Sieb. et Zucc. (Meliaceae), has been used as a liver protective herbal drug in the Orient. Administration of seed oil to hyperlipedemic rats revealed the lipid lowering effects in serum and liver tissue without any toxicity in body weight increase and liver function.

• 대한약학회:학술대회논문집
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• 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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• pp.176.1-176.1
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• 2003

The protective effects on hepatic fibrosis of an aqueous extract from the roots of Platycodon grandiflorum A. DC (Campanulaceae), Changkil (CK), in hepatic stellate cell line, CFSC-2G. The increased deposition of extracellular matrix by hepatic stellate cells following liver injury in a process known as activation is considered a key mechanism for increased collagen content of liver during the development of liver fibrosis. (omitted)

• Food Science and Biotechnology
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• 제16권6호
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• pp.967-974
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• 2007

The present work is aimed to evaluate the protective effect of glutathione-enriched Saccharomyces cerevisiae FF-8 strain on carbon tetrachloride ($CCl_4$)-induced hepatotoxicity and oxidative stress in rats. The activities of liver markers (alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, lactate dehydrogenase), lipid peroxidative index (thiobarbituric acid-reactive substances), and the antioxidant status (reduced glutathione) were used to monitor those protective roles of FF-8 strain. The liver marker enzymes in plasma and the lipid peroxidation in the liver were increased when $CCl_4$ was treated but these were significantly decreased by FF-8 strain treatment. The hepatic concentration of glutathione in the current glutathione-enriched FF-8 strain fed animal was approximately twice as high as the normal, but this was slightly increased in response to $CCl_4$ plus glutathione-enriched FF-8 strain. The increased liver triglyceride concentration due to the $CCl_4$ treatment was significantly decreased by FF-8 strain and the reduced level reached to that of normal group. Administration of FF-8 strain in normal rat did not show any signs of harmful effects. Therefore, the current findings suggest that FF-8 strain could be an effective antioxidant with no or negligible side-effects and it might be useful for the purpose of protection treatment of hepatotoxicity and oxidative stress in $CCl_4$-treatment in rat.

• Journal of Life Science
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• 제11권1호
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• pp.47-51
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• 2001

To investigate the deaging effects of introperitoneally injected Chondroitin Sulfate (CS) on various enzyme activity (AST, ALT, MDA (Malon dialdehyde), SOD (Superoxide dismutase), GPx (Glutathione peroxidases) and histophathology of liver tissue, ovariectomized rats were used. The antioxidative effects of chondroitin sulfate (100 mg/kg and 200 mg/kg body weight) were investigated at the antioxidative enzyme activities of liver homogenate fractions (liver total homogenate, mitochondrial, and microsomal fractions) and sera. In addition, the rat liver was histologically examined. Intraperitoneally injected CS, depend on dosage, indicated a protective effect against ovariectomy-inducted aging. Moreover, inflammation and cirrhosis in liver tissue of CS treated group were significantly decreased. Based on these results, intraperitoneally injected CS is a useful material to delay aging.

• 대한한의학방제학회지
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• 제17권2호
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• pp.123-132
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• 2009

Acetaminophen (AP) is widely used as an over-the-counter analgesic and antipyretic drug. AP-induced hepatotoxicity is a common consequence of AP overdose and may lead to acute liver failure. In this study, we investigated the liver damage in mice using single dose (300 mg/kg) of AP and the possible protective effects of administration (50-200 mg/kg body weight) of Joo-Juk on acetaminophen-induced liver damage in mice. The alanine aminotransferase (ALT), and aspartate aminotransferase (AST) activities were determined in the plasma of mice. The effect of Joo-Juk on lipid peroxidation product thiobarbituric reacting substances (TBARS) and some antioxidant enzymes superoxide dismutase (SOD), catalase, d-aminolevulinate dehydratase ($\sigma$-ALA-D) activities, and gluthathione peroxidase (GPx), were also evaluated in the mouse liver homogenate. AP caused liver damage as evident by statistically significant increased in plasma activities of AST and ALT. There were statistically significant losses in the activities of SOD, catalase, $\sigma$-ALA-D, and GPx and an increase in TBARS in the liver of AP-treated group compared with the control group. However, Joo-Juk was able to counteract these effects. These results suggest that Joo-juk can act as hepato-protectant against AP toxicity and is a good candidate for further evaluation as an effective chemotherapeutic agent.