rye bread covered with mold. loaf of bread spoilt.

aging background bacterium bad bakery biology black bread brown close closeup covered dangerous dirty disease dried expired food grain growth homemade horizontal hygiene illness infected loaf micro microbes mildew mildewed mold moldy mouldy musty organism penicillin people photography poisonous pollution process product rotten rye slice snack spoiled spoilt toxic uneatable unhealthy unsanitary wet white