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      Phytochemical screening and hepatoprotective potential of Niphidium albopunctatissimum Lellinger on alcoholic hepatoxicity induced in albino rats Translated title: Tamizaje fitoquímico y potencial hepatoprotector de Niphidium albopunctatissimum Lellinger en la hepatoxicidad alcohólica inducida en ratas albinas

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          Abstract

          Abstract Objectives: To identify the phytoconstituents and determine the effect of Niphidium albopunctatissimum Lellinger on alcoholic hepatoxicity induced in albino rats. Methods: Phytochemical screening was performed using the drop Test. For hepatoxicity study, albino rats were randomized into 5 groups of 6 each. Healthy group: without hepatoxicity; Control group: hepatotoxicity; Curative group: hepatotoxicity plus fluid extract of N. albopunctatissimum Lellinger; Standard group: hepatotoxicity plus silymarin; Preventive group: Fluid extract of N. albopunctatissimum Lellinger for one week, then hepatotoxicity. Hepatotoxicity was induced with 56% (w / v) ethanol at doses of 7.6 mL / kg p.c every 12 hours for 7 days. Glutamic pyruvic transaminase (GPT) values were determined at baseline, 7 days after induction and 14 days after. A histopathological study of the livers was performed. Results: Phytochemical screening revealed the presence of polyphenols, anthocyanidins, saponins, flavonoids and tannins. The preventive and standard groups showed a very significant decrease in serum GPT levels compared to control group (p <0.01), and curative group did so significantly (p <0.05). Histopathological analysis showed in curative group some degenerating hepatocytes, many with normal-looking cytoplasm; the preventive and standard groups presented hepatocytes with normal architecture and some in degeneration, unlike the evident degeneration and necrosis in control group. Conclusión: Niphidium albopunctatissimum Lellinger may have hepatoprotective potential against alcoholic toxicity induced in albino rats.

          Translated abstract

          Resumen Objetivos: Identificar los fitoconstituyentes y determinar el efecto de Niphidium albopunctatissimum Lellinger en la hepatoxicidad alcohólica inducida en ratas albinas. Métodos: El tamizaje fitoquímico se realizó mediante la Prueba de la gota. Para el efecto en la hepatoxicidad, las ratas albinas fueron distribuidas al azar en 5 grupos de 6 cada uno, Grupo sano: Sin hepatoxicidad, Grupo Control: hepatotoxicidad, Grupo Curativo: hepatotoxicidad más extracto fluído de N. albopunctatissimum Lellinger, Grupo Patrón: hepatotoxicidad más silimarina y Grupo Preventivo: extracto fluido de N. albopunctatissimum Lellinger por una semana, luego hepatotoxicidad. La hepatotoxicidad se indujo con etanol 56% (p/v) en dosis de 7,6 mL/kg p.c cada 12 horas por 7 días. Se determinaron valores de Glutámico pirúvica transaminasa (GPT) al inicio, a los 7 días de inducción y a los 14 días. Se realizó el estudio histopatológico a los hígados. Resultados: El tamizaje fitoquímico reveló presencia de polifenoles, antocianidinas, saponinas, flavonoides y taninos. Los grupos preventivo y patrón evidenciaron disminución muy significativa de niveles séricos de GPT en comparación con el grupo control (p< 0,01), y el grupo curativo lo hizo de manera significativa (p<0,05). El análisis histopatológico evidenció en el grupo curativo algunos hepatocitos en degeneración, muchos con citoplasma de aspecto normal; los grupos preventivo y patrón presentaron hepatocitos con arquitectura normal y algunos en degeneración, a diferencia de la evidente degeneración y necrosis en el grupo control. Conclusión: Niphidium albopunctatissimum Lellinger puede tener potencial hepatoprotector frente a la toxicidad alcohólica inducida en ratas albinas.

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          Burden of liver disease in Europe: Epidemiology and analysis of risk factors to identify prevention policies

          The burden of liver disease in Europe continues to grow. We aimed to describe the epidemiology of liver diseases and their risk factors in European countries, identifying public health interventions that could impact on these risk factors to reduce the burden of liver disease. As part of the HEPAHEALTH project we extracted information on historical and current prevalence and mortality from national and international literature and databases on liver disease in 35 countries in the World Health Organization European region, as well as historical and recent prevalence data on their main determinants; alcohol consumption, obesity and hepatitis B and C virus infections. We extracted information from peer-reviewed and grey literature to identify public health interventions targeting these risk factors. The epidemiology of liver disease is diverse, with variations in the exact composition of diseases and the trends in risk factors which drive them. Prevalence and mortality data indicate that increasing cirrhosis and liver cancer may be linked to dramatic increases in harmful alcohol consumption in Northern European countries, and viral hepatitis epidemics in Eastern and Southern European countries. Countries with historically low levels of liver disease may experience an increase in non-alcoholic fatty liver disease in the future, given the rise of obesity across most European countries. Liver disease in Europe is a serious issue, with increasing cirrhosis and liver cancer. The public health and hepatology communities are uniquely placed to implement measures aimed at reducing their causes: harmful alcohol consumption, child and adult obesity, and chronic infection with hepatitis viruses, which will in turn reduce the burden of liver disease.
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            Silymarin/Silybin and Chronic Liver Disease: A Marriage of Many Years

            Silymarin is the extract of Silybum marianum, or milk thistle, and its major active compound is silybin, which has a remarkable biological effect. It is used in different liver disorders, particularly chronic liver diseases, cirrhosis and hepatocellular carcinoma, because of its antioxidant, anti-inflammatory and antifibrotic power. Indeed, the anti-oxidant and anti-inflammatory effect of silymarin is oriented towards the reduction of virus-related liver damages through inflammatory cascade softening and immune system modulation. It also has a direct antiviral effect associated with its intravenous administration in hepatitis C virus infection. With respect to alcohol abuse, silymarin is able to increase cellular vitality and to reduce both lipid peroxidation and cellular necrosis. Furthermore, silymarin/silybin use has important biological effects in non-alcoholic fatty liver disease. These substances antagonize the progression of non-alcoholic fatty liver disease, by intervening in various therapeutic targets: oxidative stress, insulin resistance, liver fat accumulation and mitochondrial dysfunction. Silymarin is also used in liver cirrhosis and hepatocellular carcinoma that represent common end stages of different hepatopathies by modulating different molecular patterns. Therefore, the aim of this review is to examine scientific studies concerning the effects derived from silymarin/silybin use in chronic liver diseases, cirrhosis and hepatocellular carcinoma.
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              Structural dependence of flavonoid interactions with Cu2+ ions: implications for their antioxidant properties.

              The flavonoids constitute a large group of polyphenolic phytochemicals with antioxidant properties in vitro. The interactions of four structurally related flavonoids (quercetin, kaempferol, rutin and luteolin) with Cu2+ ions were investigated in terms of the extent to which they undergo complex formation through chelation or modification through oxidation, as well as in their structural dependence. The ortho 3',4'-dihydroxy substitution in the B ring is shown to be important for Cu2+-chelate formation, thereby influencing the antioxidant activity. The presence of a 3-hydroxy group in the flavonoid structure enhances the oxidation of quercetin and kaempferol, whereas luteolin and rutin, each lacking the 3-hydroxy group, do not oxidize as readily in the presence of Cu2+ ions. The results also demonstrate that the reactivities of the flavonoids in protecting low-density lipoprotein (LDL) against Cu2+ ion-induced oxidation are dependent on their structural properties in terms of the response of the particular flavonoid to Cu2+ ions, whether chelation or oxidation, their partitioning abilities between the aqueous compartment and the lipophilic environment within the LDL particle, and their hydrogen-donating antioxidant properties.
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                Author and article information

                Journal
                ars
                Ars Pharmaceutica (Internet)
                Ars Pharm
                Universidad de Granada (Granada, Granada, Spain )
                2340-9894
                September 2020
                : 61
                : 3
                : 187-192
                Affiliations
                [2] orgnameUniversidad Nacional de Trujillo orgdiv1Facultad de Farmacia y Bioquímica orgdiv2Departamento de Farmacotecnia Peru
                [1] orgnameUniversidad Nacional de Trujillo orgdiv1Facultad de Farmacia y Bioquímica orgdiv2Departamento de Farmacología Peru
                Article
                S2340-98942020000300006 S2340-9894(20)06100300006
                10.30827/ars.v61i3.13634
                cca41e11-7858-4975-ae05-1ef34e0ebfd7

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 17 June 2020
                : 13 February 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 6
                Product

                SciELO Spain

                Categories
                Original Articles

                Fitoquímicos,Plant extracts,Ethanol,Etanol,Phytochemicals,Extractos vegetales,Liver,Hígado

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