Microwave treatment of human milk to prevent transmission of Chagas disease

It is recognized that breast feeding is an alternative means of transmission of Chagas disease. However, thermal treatment of milk can prevent this occurrence. As domestic microwave ovens are becoming commonplace, the efficacy of microwave thermal treatment in inactivating Trypanosoma cruzi trypomas...

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Veröffentlicht in:Revista do Instituto de Medicina Tropical de São Paulo 2003-01, Vol.45 (1), p.41-42
Hauptverfasser: Santos Ferreira, Cláudio, Amato Neto, Vicente, Gakiya, Erika, Bezerra, Rita Cristina, Alarcón, Ruth Semira Rodríquez
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container_title Revista do Instituto de Medicina Tropical de São Paulo
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creator Santos Ferreira, Cláudio
Amato Neto, Vicente
Gakiya, Erika
Bezerra, Rita Cristina
Alarcón, Ruth Semira Rodríquez
description It is recognized that breast feeding is an alternative means of transmission of Chagas disease. However, thermal treatment of milk can prevent this occurrence. As domestic microwave ovens are becoming commonplace, the efficacy of microwave thermal treatment in inactivating Trypanosoma cruzi trypomastigotes in human milk was tested. Human milk samples infected with T. cruzi trypomastigotes (Y strain) from laboratory-infected mice, were heated to 63 degrees C in a domestic microwave oven (2,450 MHz, 700 W). Microscopical and serological examinations demonstrated that none of the animals inoculated orally or intraperitoneally with infected milk which had been treated, got the infection, while those inoculated with untreated, infected milk, became infected. It was concluded that the simple treatment prescribed, which can easily be done at home, was effective in inactivating T. cruzi trypomastigotes contained in human milk.
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subjects Animals
Chagas Disease - prevention & control
Food Irradiation - methods
Humans
Mice
Microwaves
Milk, Human - parasitology
Sterilization - methods
TROPICAL MEDICINE
Trypanosoma cruzi
title Microwave treatment of human milk to prevent transmission of Chagas disease
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