Food that is contaminated with harmful bacteria can make people sick. Unhygienic preparation can result in food contaminated with bacteria such as E. coli and Salmonella. Contamination of food can cause food poisoning. Don't serve this bread to anyone: it's well past its use-by date of July second. Bread that is too old often tastes stale. Bread or other ingredients that are improperly stored or too old may have mold growing on them. The store was cited for selling food that was almost a week past its sell-by date of November 14. Yuck! This milk tastes really sour. Sour milk is usually spoiled and should be thrown away. We can't serve this meat in our restaurant. It's rotten! There are even maggots in it! This butter smells rancid. Throw it in the trash. This chicken has been undercooked. It looks all right on the outside, but it's still pink on the inside.