[Nitrates and nitrites in meat products: chemical and health and hygienic aspects]

agent de conservation aroma canned meat carne en conserva carne in scatola clostridium botulinum color colore colour conservanti conserve de viande consommation alimentaire consumer protection consumo alimentare consumo de alimentos couleur food consumption food safety health hazards hortalizas inhibition inibizione inocuidad alimentaria insaccati legume limiti massimi dei residui maximum residue limits nitrate nitrates nitrati nitratos nitrite nitrites nitriti nitritos ortaggi peligro para la salud preservadores preservatives protection du consommateur rischi per la salute salchicha salmonella saucisse sausages vegetables