Benefícios versus toxicidades do alho (Allium sativum) em cães
Revisão
DOI:
https://doi.org/10.31533/pubvet.v19n03e1748Palavras-chave:
Alimentos funcionais, compostos organossulfurados, imunomoduladores, plantas medicinaisResumo
O alho (Allium sativum) é uma planta com propriedades terapêuticas/tóxicas em cães, dependendo da variedade, do local de origem, da forma de preparo ou do método de extração utilizado e da dose administrada. Há relatos em investigações pré-clínicas e clínicas de que o alho ou seus compostos organossulfurados ativos (OSCs) exercem potencialmente uma série de atividades benéficas em cães: endoparasiticida, antitrombótico, hipotensivo, diurético e natriurético, antimicrobiano, antiproliferativo celular, antioxidante, ativador do fator de transição Nrf2, antiarrítmico, imunomodulador, hipoglicêmico, hipolipidêmico e ectoparasiticida. Bem como toxicidade no sistema gastrointestinal e eritrócitos com ação hemolítica em cães. No entanto, ainda não há revisão sobre seus possíveis efeitos benéficos e tóxicos e hipóteses de seus mecanismos subjacentes em cães. O objetivo deste artigo foi resumir as investigações pré-clínicas e clínicas sobre os efeitos do alho e seus OSCs em cães, bem como as descobertas sobre os possíveis mecanismos subjacentes comprovados ou presumidos. Concluímos que mais estudos in vivo e de toxicidade são necessários para preparar formulações herbais específicas para cães com doses relativamente baixas de fitoconstituintes de alho. Também enfatizamos que, independentemente do método de preparação, os donos de cães devem ser avisados de que não é seguro fornecer ou adicionar alho à comida de seus cães.
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