Eating rancid butter can cause stomach illnesses and drive a person's stores of Vitamins B and E out of the body, according to the New York Times. Rancidity happens when oils or fats spoil, and any food that contains these ingredients is susceptible, including margarine, cooking oils, seeds and nuts.
The first sign of rancidity is a change in odor. If the butter has a bitter or sharp smell when the container is opened, it can be rancid. Light speeds up the spoilage process, which is why butter and margarine come in opaque containers, explains the New York Times. To maximize the butter's shelf life, keep it refrigerated, and close the lid or wrap the sticks securely after each use.Learn More
Bad milk contains bacteria that is capable of causing illness upon drinking it. According to KidsHealth, bacteria from milk, such as salmonella, causes nausea, diarrhea and vomiting.Full Answer >
Eating spoiled meat can be very dangerous and cause extreme stomach upset and food poisoning from E. coli or salmonella bacteria. Common symptoms of food poisoning include vomiting, diarrhea, sever stomach cramping and fever. Food poisoning can also be caused by eating undercooked foods or those that came into contact with surfaces used to cook or prepare raw meats.Full Answer >
Fat supplies calories, provides essential fatty acids and serves as the storage substance for the excess calories of the body, according to the health guide of The New York Times. It helps move certain vitamins through the bloodstream, and it maintains healthy hair and skin.Full Answer >
Starch is a carbohydrate, and the main purpose of carbohydrates is to provide energy for the body, according to The New York Times. The enzyme amylase is responsible for the conversion of starches into glucose, or blood sugar, which is used as energy for the body, particularly in the brain and nervous system. Starchy foods include legumes, whole grain breads and cereals, and starchy vegetables, such as potatoes.Full Answer >