Example Of Dietary Energy Consumption
Dietary energy intake of a healthy well nourished population should allow for maintaining an adequate bmi at the population s usual level of energy expenditure.
Example of dietary energy consumption. Countries with higher gross national products and more urbanized populations consume larger amounts of energy from fats sweeteners and protein 46 47 and a larger amount of fruit and red meat probably because of increased availability and affordability in urban areas 48. It varies markedly between different regions and countries of the world. See figure 2 approximately 20 kj of energy are produced for each liter of oxygen consumed independent of the type of. Food consumption is the amount of food available for human consumption as estimated by the united nations food and agriculture organization fao food balance sheets however the actual food consumption may be lower than the quantity shown as food availability depends on the magnitude of wastage and losses of food in the household for example during storage in preparation and cooking as.
At the individual level a normal range of 18 5 to 24 9 kg m 2 bmi is generally accepted who 1995 and 2000. Energy efficiency can reduce cost improve competitiveness reduce environmental impact and improve quality of life the following are common examples of energy. Energy consumption and its associated environmental side effects pervade all aspects of our personal and public life to the point where we have become oblivious to it. Healthy dietary practices start early in life breastfeeding fosters healthy growth and improves cognitive development and may have longer term health benefits such as reducing the risk of becoming overweight or obese and developing ncds later in life.
At a population level a. Ten searches on the internet for example require one kilowatt. We can measure the energy people use during various activities by measuring their oxygen use. Efficiency is the opposite of waste.
This diet change. Urbanization affects food consumption patterns. Energy efficiency is the process of reducing the energy consumption of infrastructure facilities buildings machines devices products services business processes activities and transport. Americans constitute 5 of the world s population but consume 24 of the world s energy.
The dietary energy supply is the food available for human consumption usually expressed in kilocalories or kilojoules per person per day. On average one american consumes as much energy as o 2 japanese. 11 the normal state of affairs in today s developed countries is that energy is consumed everywhere at all times. Energy consumption is directly proportional to oxygen consumption because the digestive process is basically one of oxidizing food.
Energy intake calories should be in balance with energy expenditure. It gives an overestimate of the total amount of food consumed as it reflects both food consumed and food wasted. Supporting the food frequency approach to dietary intake assessment reported mean frequencies of food consumption were a significant predictor of dietary outcomes.