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A shelf stable highly nutritive bread (HNB), formulated to cover nutritional requirements of people in need of an emergency staple food, was gamma irradiated to improve its sanitary quality and extend shelf life. Packed in polyethylene film and gamma irradiated at 6 kGy, it attained at least a six times shelf life extension, being stored during 43 days at room temperature while maintaining its sensory...
The recent spread of El Tor cholera in Latin America highlights the need for a safe and economical vaccine. The main approach for developing live recombinant vaccines has been to disarm known pathogenic strains of cholera toxin leaving intact antigens involved in protection. These recombinant vaccine candidates do not cause severe diarrhea, but they are too reactogenic for wide scale usage. We describe...
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