why do we cook food before eating

4. Cooking sterilizes foods either partly or completely. Many foods need partial or complete sterilization for safety. They must be completely sterlized if the germs that produce fermentation or putrefaction and thereby spoil food would be destroyed. This is done when fruits and vegetables are canned for keeping. Foods that are exposed to dust, flies, and improper handling should be thoroughly cooked in order to destroy any pathogenic germs that might be present. By such germs are meant disease-bearing germs. They differ from germs that produce fermentation and putrefaction, or spoiling, and that must in general be considered as a help, for these play an important part in the raising of bread and the preparation of various foods, as is pointed out later.
It's on a Saturday night and you're flipping through the channels on the, looking for something worth watching. Suddenly, your screen is filled with the face of a.


As you watch, the camera pans out and you the is watching a. You've stumbled upon the nature channel showing a about African. You're a fan of the, so you keep watching to see what will happen. You suspect things won't end well for the, and you're right. As the moves within, the pounces. A ensues, but it's over shortly. The is. Dinner for the evening has been won. Predators, like big cats and bears, eat other animals without cooking them first. Why do humans cook meat when other just eat it? If you've ever eaten sushi or steak tartare, then you know that it is possible for humans to eat meat. These dishes are specially prepared, however, and are exceptions to the general that meat must be cooked to be consumed by humans. Meats, such as beef, pork, and chicken, can contain harmful bacteria and parasites. If eaten, these bacteria and parasites could make you really sick.


When you cook meat properly, though, any harmful organisms are killed during the cooking process, allowing you to eat the cooked meat. So how do animals eat meat? Some animals have stomach acids that will kill bacteria and parasites. Others do indeed get sick from eating meat, but they don't have any other choice. They have to eat, and they don't have the to cook their food. Also consider that predators immediately eat their fallen prey. Up until that point, the prey's immune system worked to keep the prey healthy. However, meat that humans consume is processed in factories and not eaten immediately. That means the meat has the potential to be exposed to a variety of germs before we purchase it from grocery stores. Scientists don't know for sure when or why humans started cooking meat. Some speculate that humans evolved to cook meat because it allowed them to get the calories and nutrients they needed more easily.


While meat has more calories and nutrients than cooked meat, human jaw muscles and digestive organs have to work harder to chew and digest meat. The cooking process helps to break down proteins, making it easier for humans to eat and process. Some scientists believe eating cooked meat was an important step in the evolution of the big, complex human brain. If you're curious about how long you need to cook meat, it varies depending upon the type of meat. Ground meats, such as beef and sausage, generally need to be cooked to an temperature of at least 160б F (71. 1б C). Fowl, such as chicken and turkey, usually should be cooked to at least 165б F (73. 8б C). Fresh beef and pork in the form of steaks, chops, and roasts should be cooked to at least 145б F (62. 7б C).

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