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Modulations of Bovine Hepatic Microsomal Metabolism of Benzimidazoles by Secondary Plant Metabolites

Modulations of Bovine Hepatic Microsomal Metabolism of Benzimidazoles by Secondary Plant Metabolites

Wojciech Karlik, Magdalena Chłopecka, Magdalena Bamburowicz-Klimkowska, Marta Mendel

J Vet Pharmacol Ther. 2019 Mar;42(2):222-229.

PMID: 30474118

Abstract:

The study was aimed to estimate the effect of plant secondary metabolites present in ruminants diet and phytogenic feed additives on liver microsomal metabolism of albendazole and fenbendazole. The selected phytocompounds comprised of flavonoids (apigenin, quercetin) and saponins (hederagenin, medicagenic acid). The experiments were performed on liver microsomal fraction obtained from routinely slaughtered cows. The intensity of albendazole and fenbendazole metabolism in the presence of flavonoids and saponins was analyzed in equimolar concentration (100 μM). The obtained results revealed that both flavonoids and saponins intensify the metabolism of albendazole and fenbendazole in bovine microsomes. In the case of albendazole, apigenin and quercetin doubled the amount of degraded drug and the amount of produced albendazole sulfoxide. Additionally, both flavonoids increased the amount of produced albendazole sulfone. Saponins, hederagenin, and medicagenic acid intensified the degradation of albendazole (1.8-fold) and the production of albendazole sulfoxide (twofold). Medicagenic acid inhibited the production of albendazole sulfone. In the case of fenbendazole, the degradation of the drug and the production of oxfendazole were increased four and five times in the presence of saponins and flavonoids, respectively. The enhancement of benzimidazoles' metabolism caused by the studied plant metabolites could change pharmacokinetics and the efficacy of benzimidazoles' treatment in cattle.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP599075	Medicagenic acid		599-07-5	Price

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