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Satiety (/səˈtaɪ.ə.ti/ sə-TYE-ə-tee) is a state or condition of fullness gratified beyond the point of satisfaction, the opposite of hunger. Following satiation (meal termination), satiety is a feeling of fullness lasting until the next meal. [ 1 ]
Satiety value is the degree at which food gives a human the feeling of satiety per calorie. The concept of the Satiety Value and Satiety Index was developed by ...
The stomach contains receptors that can detect the presence of nutrients, but there are detectors in the intestines as well, and the satiety factors of the stomach and intestines can interact. [ 15 ] [ 16 ] [ 17 ] Cholecystokinin (CCK) is a peptide hormone secreted by the duodenum that controls the rate of stomach emptying.
Satiety occurs between 5 and 20 minutes after eating. [1] There are several theories about how the feeling of hunger arises. [ 2 ] The desire to eat food, or appetite , is another sensation experienced with regard to eating.
Expected satiety is the amount of relief from hunger that is expected from a particular food. It is closely associated with expected satiation which refers to the immediate fullness (post meal) that a food is expected to generate. Scientists have discovered that foods differ considerably in their expected satiety.
Sensory specific satiety is a phenomenon that refers to the declining satisfaction generated by the consumption of a certain type of food, and the consequent renewal in appetite resulting from the exposure to a new flavour or food. [1] The energy density and nutrient composition of foods has little effect on sensory-specific satiety.
Conditioned satiety is one of the three known food-specific forms of suppression of appetite for food by effects of eating, along with alimentary alliesthesia and sensory-specific satiety. Conditioned satiety was first evidenced in 1955 [ 1 ] in rats by the late French physiologist professor Jacques Le Magnen .
The long-term signals of satiety come from adipose tissue. [24] The taste and odor of food can contribute to short-term satiety, allowing the body to learn when to stop eating. The stomach contains receptors to allow us to know when we are full. The intestines also contain receptors that send satiety signals to the brain.