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Acute and sub-chronic toxicity studies of three plants used in Cameroonian ethnoveterinary medicine: Aloe vera (L.) Burm. f. (Xanthorrhoeaceae) leaves, Carica papaya L. (Caricaceae) seeds or leaves, and Mimosa pudica L. (Fabaceae) leaves in Kabir chicks

Nghonjuyi, Ndaleh Wozerou ; Tiambo, Christian Keambou ; Taïwe, Germain Sotoing ; Toukala, Jean Paul ; Lisita, Frederico ; Juliano, Raquel Soares ; Kimbi, Helen Kuokuo

Journal of ethnopharmacology, 2016-02, Vol.178, p.40-49 [Periódico revisado por pares]

Ireland: Elsevier Ireland Ltd

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  • Título:
    Acute and sub-chronic toxicity studies of three plants used in Cameroonian ethnoveterinary medicine: Aloe vera (L.) Burm. f. (Xanthorrhoeaceae) leaves, Carica papaya L. (Caricaceae) seeds or leaves, and Mimosa pudica L. (Fabaceae) leaves in Kabir chicks
  • Autor: Nghonjuyi, Ndaleh Wozerou ; Tiambo, Christian Keambou ; Taïwe, Germain Sotoing ; Toukala, Jean Paul ; Lisita, Frederico ; Juliano, Raquel Soares ; Kimbi, Helen Kuokuo
  • Assuntos: Acute toxicity ; Aloe - toxicity ; Aloe vera ; Animals ; Carica - toxicity ; Carica papaya ; Caricaceae ; Caricaceae - toxicity ; Chickens ; Fabaceae ; Fabaceae - toxicity ; Female ; Male ; Mimosa - toxicity ; Mimosa pudica ; Plant Extracts - toxicity ; Plant Leaves - toxicity ; Seeds - toxicity ; sub-chronic toxicity ; Toxicity Tests, Acute ; Xanthorrhoeaceae
  • É parte de: Journal of ethnopharmacology, 2016-02, Vol.178, p.40-49
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Aloe vera (L.) Burm. f. (Xanthorrhoeaceae), Carica papaya L. (Caricaceae) and Mimosa pudica L. (Fabaceae) are widely used in the Cameroonian ethnoveterinary medicine as a panacea, and specifically for gastrointestinal disorders as well as an anthelmintic and antibacterial. The present study evaluated the potential toxicity of the hydroalcoholic extracts of Aloe vera leaves, Carica papaya leaves or seeds, and Mimosa pudica leaves after acute and sub-chronic administration in chicks. For the acute toxicity test a single administration of each of the four hydroalcoholic extracts was given orally at doses ranging from 40 to 5120mg/kg (n=5/group/sex). In the sub-chronic study, these extracts were given orally as a single administration to chicks at doses of 80, 160, 320 and 640mg/kg/day for 42 days. The anti-angiogenic properties of these extracts (5–320µg/mg) were investigated in the chick chorioallantoic membrane in vivo. In the acute toxicity test, none of the four studied hydroalcoholic extracts induced mortality or significant behavioural changes. The sub-acute treatment with the four plant extracts did not alter either the body weight gain or the food and water consumption. However, the results indicated that Aloe vera leaf extract acute treatment by oral route at doses up to 2560mg/kg did not produce death in 50% (5/10) of chicks during 24h or 14 days of observation, but 20% (2/10) chicks died. The haematological and biochemical analyses did not show significant differences in any of the parameters examined in female or male groups, with the exception of a transient rise in white blood cell counts at high doses (640mg/kg). Additionally, these extracts did not have the potential for anti-angiogenic effects through the inhibition of neo-angiogenesis in the chick chorioallantoic membrane in vivo. The results showed that the therapeutic use of the hydroalcoholic extracts of Aloe vera leaves, Carica papaya leaves or seeds and Mimosa pudica leaves had very low toxicity in oral acute high dose administration and no toxicity in oral sub-chronic low dose administration and indicate that the plants could be considered safe for oral medication in chicks. [Display omitted]
  • Editor: Ireland: Elsevier Ireland Ltd
  • Idioma: Inglês
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