D1. Calculation of Energy Intake
For calculating energy intake,
the following steps have to be followed.
1.)
The person has to find
out his BMR or basal metabolic rate in accordance with weight and age.
2.)
In the second step ,
the BMR has to be multiplied in accordance with the activity level(The tables
of BMR, Exercise activity/minute and Activity level have to be taken into
consideration). The equation goes as BMR
*[Activity level]= -----------
3.)
The fat loss
(recommended) can be multiplied by
20% to give the requisite amount of the
maintenance eating. Level of fat loss
(recommended) * 20% = maintenance intake (recommended) ---------------.
4.)
One of the exercise
activities is to be selected that is in /min rates and multiply it by the
number of minutes spent in training.
5.)
To finally reach the
energy intake in calories, divide the value in step 4 by 4.18
D2. Calculation of Dietary Intake
The dietary intake calculator can be used for working out a
person’s recommended intake on day-to-day basis.
1.)
The daily activity
level of a person should be found out that is not having any activity
(bedridden) or whether he/she is pursuing
§
Sedentary activities
like reading
§
Light activity like
occasional walking
§
Moderate activity like
standing work or walking
§
Heavy activity like
those of farmers or athletes with high-performance.
§
Very heavy activity
like strenuous activity or sports-related activity in addition to
sedentary/moderate/light activities as mentioned above.
The intakes on daily basis can be taken from
Reference Values of Nutrients for New Zealand
and Australia .
In the dietary calculator, the values that have to
be applied are to be selected with respect to the age group. The energy
variance that is the percent of values of Daily Intake utilized in the
calculator are based on the average diet of an adult. Different people require
different quantum of the energy of food at different stages of their lives due
to varying activity levels. An example for this is that of an active teenager
who requires greater energy from food as compared to a aged person who is
sedentary. Additionally a dietary advice from an Accredited and professional
practicing dietician can be found on the website of Australian Dietitians Association.
D3.
Calculation of Energy Density
For
calculating energy density from the Panel of Nutrition Facts from food label,
the calories have to be divided by weight.
Energy Density= (Calories per weight)/ (serving per weight)
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