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Year 2019 - Volume 39, Number 4
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Phytotoxins eliminated by milk: a review, 39(4):231-237
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ABSTRACT.- Lopes J.R.G., Riet-Correa F. & Medeiros R.M.T. 2019. Phytotoxins eliminated by milk: a review. Pesquisa Veterinária Brasileira 39(4):231-237. [Fitotoxinas eliminadas através do leite: uma revisão.] Hospital Veterinário, Centro de Saúde e Tecnologia Rural, Universidade Federal de Campina Grande, Avenida Universitária s/n, Bairro Santa Cecília, Patos, PB 58780-110, Brazil. E-mail: macyo_mv@hotmail.com
Milk is a complex emulsion of lipids suspended in aqueous protein solution that can be a carrier of various contaminants, but generally it is not an important route of toxic excretion. The main problem is chronic repetitive exposure, as it occurs with ingestion of toxic plants and its potential danger to animals that consume the milk. Previously reported hazardous phytotoxins eliminated by milk include: indolizidine alkaloids, causing oligosaccharide storage disease; piperidine alkaloids, causing acute poisoning or malformations; pyrrolizidine alkaloids, which cause hepatic lesions; quinolizidine alkaloids, as a cause of skeletal defects; glucosinolates, which cause changes in the thyroid; tremetol (or tremetone), which causes a disease characterized by tremors in animals and milk sickness in humans; sodium monofluoracetate, which causes the death of kids after ingestion of colostrum from goats that have ingested Amorimia septentrionalis during gestation; ptaquiloside, which induces carcinogenesis in animals that ingest milk or derivatives produced by animals that have ingested Pteridium spp. Ipomoea asarifolia, which contains indole diterpenes causing tremors in suckling pups. Chrysocoma ciliata causes alopecia in suckling pups, but its toxic compound is still unknown. Knowledge about the risk of exposure to these substances via milk and its dissemination are important for veterinary and human health. |
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