Why do you feel fuller when you eat meat than you eat fruits?
This is put with an energy assignment.
Food energy is expressed in food calories (labeling: EU kcal, U.S. calories) or kilojoules (kJ). Food calories, or the "calorie" units used often in nutritional contexts, measure amounts of energy 1000 times greater than the units in scientific contexts known also as calories, or gram calories (cal). Food calories are thereby referred to less ambiguously in some formal contexts as kilocalories (kcal). One food calorie is equal to 4.184 kilojoules. Within the European Union, both the kilocalorie (kcal) and kilojoule (kJ) appear on nutrition labels. In many countries, only one of the units is displayed.
Carbohydrates, fiber, fats, proteins, organic acids, polyols, and ethanol all release energy during respiration — this is often called 'food energy'.[1] When nutrients react with oxygen in the cells of living things energy is released. A small amount of energy is available through anaerobic respiration. Fats and ethanol have the greatest amount of food energy per mass, 9 and 7 kcal/g (38 and 30 kJ/g) respectively. Proteins and most carbohydrates have about 4 kcal/g (17 kJ/g). Carbohydrates that are not easily absorbed, such as fiber or lactose in lactose-intolerant individuals, contribute less food energy. Polyols (including sugar alcohols) and organic acids have less than 4 kcal/g.
I don't agree. learn some chemistry and about ghrelin here.
http://abcnews.go.com/GMA/Diet/story?id=1642614&page=1
no
When you eat meat, you may feel fuller compared to eating fruits because meat tends to be higher in protein and fat, which take longer to digest than carbohydrates found in fruits. Additionally, protein and fat are more satiating, meaning they have a higher level of hunger-suppressing effect.
To understand the underlying science behind feeling fuller when eating meat, it's important to consider the macronutrients present in food. Macronutrients are nutrients that our bodies require in larger quantities, namely carbohydrates, proteins, and fats.
Protein is known to be highly satiating as it activates hormones in our body that send signals of fullness to our brain. During digestion, protein molecules break down into amino acids, which are then absorbed by the body. This process takes time, resulting in a prolonged feeling of fullness.
Fats are also digested relatively slowly and can contribute to feelings of fullness. Like protein, fats induce the release of hormones that help regulate appetite and keep us satisfied for longer periods.
On the other hand, fruits contain carbohydrates in the form of natural sugars, such as fructose. Carbohydrates are relatively quick to digest and provide a rapid source of energy. While fruits do contain dietary fiber, which can add bulk to the stomach and promote a feeling of fullness, their overall energy density and macronutrient composition may not be as satiating as protein and fat-rich foods.
It's worth noting that individual factors, such as metabolism, personal preferences, and portion sizes, can also influence how full you feel after consuming different types of food.
As for your energy assignment, you can delve deeper into the energy content of macronutrients. Both carbohydrates and proteins provide 4 calories per gram, while fats provide 9 calories per gram. Comparing the calorie content of foods can be helpful in understanding their energy composition and potential effects on hunger and satiety.