Whenever an authorized agent of the department finds any meat, meat products, seafood, poultry, vegetable, fruit, or other food that is unsound, or that contains any filthy, decomposed, or putrid substance, or that may be poisonous or deleterious to health, or otherwise unsafe, that agent may declare the food to be a nuisance and the department, or its authorized agent, shall condemn or destroy it, or render it unsalable as human food by decharacterization.