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The food is masticated in the mouth of the parent into a bolus and then transferred to the infant for consumption [3] (some other animals also premasticate). Cattle and some other animals, called ruminants, chew food more than once to extract more nutrients. After the first round of chewing, this food is called cud.
Premastication, pre-chewing, or kiss feeding is the act of chewing food for the purpose of physically breaking it down in order to feed another that is incapable of masticating the food by themselves. This is often done by the mother or relatives of a baby to produce baby food capable of being consumed by the child during the weaning process.
In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva. Saliva, a liquid secreted by the salivary glands, contains salivary amylase, an enzyme which starts the digestion of starch in the food. [1]
Researchers at the 2013 Institute of Food Technologists (IFT) Annual Meeting and Expo discussed a recent study that shows when subjects chew almonds thoroughly, their body can absorb more of the ...
Saliva moistens and softens food, and along with the chewing action of the teeth, transforms the food into a smooth bolus. The bolus is further helped by the lubrication provided by the saliva in its passage from the mouth into the esophagus. Also of importance is the presence in saliva of the digestive enzymes amylase and lipase.
Horace Fletcher (August 10, 1849 – January 13, 1919) was an American food faddist who earned the nickname "The Great Masticator" for his argument that food should be chewed thoroughly until liquefied before swallowing: "Nature will castigate those who don't masticate." He made elaborate justifications for this claim.
Microbes function best in a warm, moist, anaerobic environment with a temperature range of 37.7 to 42.2 °C (99.9 to 108.0 °F) and a pH between 6.0 and 6.4. Without the help of microbes, ruminants would not be able to use nutrients from forages. [22] The food is mixed with saliva and separates into layers of solid and liquid material. [23]
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