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When the density is defined in proportion to energy contents, nutrient-dense foods such as meats, fruits and vegetables are the opposite of energy-dense food (also called "empty calorie" food), such as alcohol and foods high in added sugar or processed cereals.
The differing energy density of foods (fat, alcohols, carbohydrates and proteins) lies mainly in their varying proportions of carbon, hydrogen, and oxygen atoms. Carbohydrates that are not easily absorbed, such as fibre, or lactose in lactose-intolerant individuals, contribute less food energy.
Nutrients with a lower absorption, such as fiber or sugar alcohols, lower the energy density of foods as well. A moderate energy density would be 1.6 to 3 calories per gram (7–13 kJ/g); salmon, lean meat, and bread would fall in this category. Foods with high energy density have more than three calories per gram (>13 kJ/g) and include ...
Many of us don't have the time and energy to find out which essential vitamins and minerals we're lacking so why not consume a smaller variety of foods that are high in more than 1 nutrient in ...
Nutrient density – the proportion of any array of a single nutrient or nutritional factor, or of numerous nutrients in foods, often ordered by different scalar indices; Nutrition analysis; Resource (biology) – Anything required by an organism to survive, grow, and reproduce
Granulated sugar provides energy in the form of calories, but has no other nutritional value. In human nutrition, empty calories are those calories found in foods and beverages (including alcohol) [1] composed primarily or solely of calorie-rich macronutrients such as sugars and fats, but little or no micronutrients, fibre, or protein.
Calories provide the energy needed to stay alive, but some foods pack in more "empty" calories, i.e. those that don't offer much nutritional value (think: highly processed, overly sugary, and ...
A new rule from the Food and Drug Administration (FDA) will update what it means for food to be labeled “healthy” for the first time in 30 years, a move that aligns with current nutrition ...