Acute and sub-chronic toxicity profile of methanol leaf extract of Gouania longipetala in rats
Gouania longipetala leaves are commonly used in folkloric medicine in Africa and other parts of the world for treatment of edema, febrifuges, veneral diseases, lumbago, heart diseases, diabetes mellitus malaria, etc. This study therefore evaluated safety profile of the methanol leaf extract of the p...
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| Veröffentlicht in: | Journal of ethnopharmacology 2014-02, Vol.151 (3), p.1155-1164 |
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| creator | Ezeja, Maxwell I Anaga, Aruh O Asuzu, Isaac U |
| description | Gouania longipetala leaves are commonly used in folkloric medicine in Africa and other parts of the world for treatment of edema, febrifuges, veneral diseases, lumbago, heart diseases, diabetes mellitus malaria, etc. This study therefore evaluated safety profile of the methanol leaf extract of the plant using acute and sub-chronic studies in rat model.
Acute toxicity test of the plant lasted for 48 h with oral administration of graded doses (100-4000 mg/kg) of Gouania longipetala extract (GLE) in rats. The rats were observed for signs of toxicity and death. The sub-chronic toxicity was evaluated by administration of different doses (2.5, 5 and 10 mg/kg) of GLE daily in feed for 90 days. On days, 30, 60 and 90, blood samples collected from the retro-orbital plexus of the eye of the rats were used for evaluation of serum biochemistry, hematology, lipid peroxidation and in vivo antioxidant activities. Histopathological evaluations of the kidney, liver, lungs and heart were also done.
The acute toxicity test revealed no observable signs of toxicity or morbidity. Sub-chronic study showed that GLE significantly (p |
| doi_str_mv | 10.1016/j.jep.2013.12.034 |
| format | Article |
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Acute toxicity test of the plant lasted for 48 h with oral administration of graded doses (100-4000 mg/kg) of Gouania longipetala extract (GLE) in rats. The rats were observed for signs of toxicity and death. The sub-chronic toxicity was evaluated by administration of different doses (2.5, 5 and 10 mg/kg) of GLE daily in feed for 90 days. On days, 30, 60 and 90, blood samples collected from the retro-orbital plexus of the eye of the rats were used for evaluation of serum biochemistry, hematology, lipid peroxidation and in vivo antioxidant activities. Histopathological evaluations of the kidney, liver, lungs and heart were also done.
The acute toxicity test revealed no observable signs of toxicity or morbidity. Sub-chronic study showed that GLE significantly (p<0.05) increased relative liver weight on day 90 at 10 mg/kg. There were no significant variations in the hematological parameters of both GLE treated and untreated rats. The extract significantly (p<0.05) reduced total cholesterol, triglycerides, very low density lipoproteins and increased high density lipoproteins which was more prominent on day 90 at the dose of 10 mg/kg. The extract significantly (p<0.05) increased liver enzyme markers at the doses used. GLE also significantly (p<0.05) increased serum urea at the dose of 10 mg/kg on day 90. The extract caused dose-dependent and significant (p<0.05) increase in superoxide dismutase and decrease in malondiadehyde. Histopathological studies revealed degenerative changes in the kidney and liver.
The results of the study suggest that Gouania longipetala is well tolerated in short term therapies, but may have long term toxic effects on the kidney and liver.</description><identifier>ISSN: 0378-8741</identifier><identifier>EISSN: 1872-7573</identifier><identifier>DOI: 10.1016/j.jep.2013.12.034</identifier><identifier>PMID: 24384377</identifier><language>eng</language><publisher>Ireland</publisher><subject>Alanine Transaminase - blood ; Alkaline Phosphatase - blood ; Animals ; Aspartate Aminotransferases - blood ; Female ; Gouania ; Kidney - drug effects ; Kidney - growth & development ; Kidney - pathology ; Lipids - blood ; Liver - drug effects ; Liver - pathology ; Male ; Methanol - chemistry ; Organ Size - drug effects ; Plant Extracts - toxicity ; Plant Leaves ; Rats ; Rats, Wistar ; Rhamnaceae ; Solvents - chemistry ; Superoxide Dismutase - metabolism ; Toxicity Tests, Acute ; Toxicity Tests, Subchronic ; Urea - blood</subject><ispartof>Journal of ethnopharmacology, 2014-02, Vol.151 (3), p.1155-1164</ispartof><rights>Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-c40f947e8be111b1904bc8d552d6af83e3c24f17537b31f867563fa86d5daa873</citedby><cites>FETCH-LOGICAL-c400t-c40f947e8be111b1904bc8d552d6af83e3c24f17537b31f867563fa86d5daa873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24384377$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ezeja, Maxwell I</creatorcontrib><creatorcontrib>Anaga, Aruh O</creatorcontrib><creatorcontrib>Asuzu, Isaac U</creatorcontrib><title>Acute and sub-chronic toxicity profile of methanol leaf extract of Gouania longipetala in rats</title><title>Journal of ethnopharmacology</title><addtitle>J Ethnopharmacol</addtitle><description>Gouania longipetala leaves are commonly used in folkloric medicine in Africa and other parts of the world for treatment of edema, febrifuges, veneral diseases, lumbago, heart diseases, diabetes mellitus malaria, etc. This study therefore evaluated safety profile of the methanol leaf extract of the plant using acute and sub-chronic studies in rat model.
Acute toxicity test of the plant lasted for 48 h with oral administration of graded doses (100-4000 mg/kg) of Gouania longipetala extract (GLE) in rats. The rats were observed for signs of toxicity and death. The sub-chronic toxicity was evaluated by administration of different doses (2.5, 5 and 10 mg/kg) of GLE daily in feed for 90 days. On days, 30, 60 and 90, blood samples collected from the retro-orbital plexus of the eye of the rats were used for evaluation of serum biochemistry, hematology, lipid peroxidation and in vivo antioxidant activities. Histopathological evaluations of the kidney, liver, lungs and heart were also done.
The acute toxicity test revealed no observable signs of toxicity or morbidity. Sub-chronic study showed that GLE significantly (p<0.05) increased relative liver weight on day 90 at 10 mg/kg. There were no significant variations in the hematological parameters of both GLE treated and untreated rats. The extract significantly (p<0.05) reduced total cholesterol, triglycerides, very low density lipoproteins and increased high density lipoproteins which was more prominent on day 90 at the dose of 10 mg/kg. The extract significantly (p<0.05) increased liver enzyme markers at the doses used. GLE also significantly (p<0.05) increased serum urea at the dose of 10 mg/kg on day 90. The extract caused dose-dependent and significant (p<0.05) increase in superoxide dismutase and decrease in malondiadehyde. Histopathological studies revealed degenerative changes in the kidney and liver.
The results of the study suggest that Gouania longipetala is well tolerated in short term therapies, but may have long term toxic effects on the kidney and liver.</description><subject>Alanine Transaminase - blood</subject><subject>Alkaline Phosphatase - blood</subject><subject>Animals</subject><subject>Aspartate Aminotransferases - blood</subject><subject>Female</subject><subject>Gouania</subject><subject>Kidney - drug effects</subject><subject>Kidney - growth & development</subject><subject>Kidney - pathology</subject><subject>Lipids - blood</subject><subject>Liver - drug effects</subject><subject>Liver - pathology</subject><subject>Male</subject><subject>Methanol - chemistry</subject><subject>Organ Size - drug effects</subject><subject>Plant Extracts - toxicity</subject><subject>Plant Leaves</subject><subject>Rats</subject><subject>Rats, Wistar</subject><subject>Rhamnaceae</subject><subject>Solvents - chemistry</subject><subject>Superoxide Dismutase - metabolism</subject><subject>Toxicity Tests, Acute</subject><subject>Toxicity Tests, Subchronic</subject><subject>Urea - blood</subject><issn>0378-8741</issn><issn>1872-7573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kL1OwzAUhS0EoqXwACzII0uCb-zE7lhVUJAqscCK5Tg2dZTEJXak9u1J1MJy7nB-dPUhdA8kBQLFU53WZp9mBGgKWUoou0BzEDxLeM7pJZoTykUiOIMZugmhJoRwYOQazTJGBaOcz9HXSg_RYNVVOAxlone975zG0R-cdvGI9723rjHYW9yauFOdb3BjlMXmEHul42Rs_KA6p3Dju2-3N1E1CrsO9yqGW3RlVRPM3fku0OfL88f6Ndm-b97Wq22iGSFxUrtk3IjSAEAJS8JKLao8z6pCWUEN1RmzwHPKSwpWFDwvqFWiqPJKKcHpAj2edsd_fwYTomxd0KZpVGf8ECTkBQEgGc3HKJyiuvch9MbKfe9a1R8lEDlhlbUcscoJq4RMjljHzsN5fihbU_03_jjSX0ADdGY</recordid><startdate>20140212</startdate><enddate>20140212</enddate><creator>Ezeja, Maxwell I</creator><creator>Anaga, Aruh O</creator><creator>Asuzu, Isaac U</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U7</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20140212</creationdate><title>Acute and sub-chronic toxicity profile of methanol leaf extract of Gouania longipetala in rats</title><author>Ezeja, Maxwell I ; Anaga, Aruh O ; Asuzu, Isaac U</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-c40f947e8be111b1904bc8d552d6af83e3c24f17537b31f867563fa86d5daa873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alanine Transaminase - blood</topic><topic>Alkaline Phosphatase - blood</topic><topic>Animals</topic><topic>Aspartate Aminotransferases - blood</topic><topic>Female</topic><topic>Gouania</topic><topic>Kidney - drug effects</topic><topic>Kidney - growth & development</topic><topic>Kidney - pathology</topic><topic>Lipids - blood</topic><topic>Liver - drug effects</topic><topic>Liver - pathology</topic><topic>Male</topic><topic>Methanol - chemistry</topic><topic>Organ Size - drug effects</topic><topic>Plant Extracts - toxicity</topic><topic>Plant Leaves</topic><topic>Rats</topic><topic>Rats, Wistar</topic><topic>Rhamnaceae</topic><topic>Solvents - chemistry</topic><topic>Superoxide Dismutase - metabolism</topic><topic>Toxicity Tests, Acute</topic><topic>Toxicity Tests, Subchronic</topic><topic>Urea - blood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ezeja, Maxwell I</creatorcontrib><creatorcontrib>Anaga, Aruh O</creatorcontrib><creatorcontrib>Asuzu, Isaac U</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of ethnopharmacology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ezeja, Maxwell I</au><au>Anaga, Aruh O</au><au>Asuzu, Isaac U</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acute and sub-chronic toxicity profile of methanol leaf extract of Gouania longipetala in rats</atitle><jtitle>Journal of ethnopharmacology</jtitle><addtitle>J Ethnopharmacol</addtitle><date>2014-02-12</date><risdate>2014</risdate><volume>151</volume><issue>3</issue><spage>1155</spage><epage>1164</epage><pages>1155-1164</pages><issn>0378-8741</issn><eissn>1872-7573</eissn><abstract>Gouania longipetala leaves are commonly used in folkloric medicine in Africa and other parts of the world for treatment of edema, febrifuges, veneral diseases, lumbago, heart diseases, diabetes mellitus malaria, etc. This study therefore evaluated safety profile of the methanol leaf extract of the plant using acute and sub-chronic studies in rat model.
Acute toxicity test of the plant lasted for 48 h with oral administration of graded doses (100-4000 mg/kg) of Gouania longipetala extract (GLE) in rats. The rats were observed for signs of toxicity and death. The sub-chronic toxicity was evaluated by administration of different doses (2.5, 5 and 10 mg/kg) of GLE daily in feed for 90 days. On days, 30, 60 and 90, blood samples collected from the retro-orbital plexus of the eye of the rats were used for evaluation of serum biochemistry, hematology, lipid peroxidation and in vivo antioxidant activities. Histopathological evaluations of the kidney, liver, lungs and heart were also done.
The acute toxicity test revealed no observable signs of toxicity or morbidity. Sub-chronic study showed that GLE significantly (p<0.05) increased relative liver weight on day 90 at 10 mg/kg. There were no significant variations in the hematological parameters of both GLE treated and untreated rats. The extract significantly (p<0.05) reduced total cholesterol, triglycerides, very low density lipoproteins and increased high density lipoproteins which was more prominent on day 90 at the dose of 10 mg/kg. The extract significantly (p<0.05) increased liver enzyme markers at the doses used. GLE also significantly (p<0.05) increased serum urea at the dose of 10 mg/kg on day 90. The extract caused dose-dependent and significant (p<0.05) increase in superoxide dismutase and decrease in malondiadehyde. Histopathological studies revealed degenerative changes in the kidney and liver.
The results of the study suggest that Gouania longipetala is well tolerated in short term therapies, but may have long term toxic effects on the kidney and liver.</abstract><cop>Ireland</cop><pmid>24384377</pmid><doi>10.1016/j.jep.2013.12.034</doi><tpages>10</tpages></addata></record> |
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| subjects | Alanine Transaminase - blood Alkaline Phosphatase - blood Animals Aspartate Aminotransferases - blood Female Gouania Kidney - drug effects Kidney - growth & development Kidney - pathology Lipids - blood Liver - drug effects Liver - pathology Male Methanol - chemistry Organ Size - drug effects Plant Extracts - toxicity Plant Leaves Rats Rats, Wistar Rhamnaceae Solvents - chemistry Superoxide Dismutase - metabolism Toxicity Tests, Acute Toxicity Tests, Subchronic Urea - blood |
| title | Acute and sub-chronic toxicity profile of methanol leaf extract of Gouania longipetala in rats |
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