True about dietary allowance are all except:
1.Adequate intake
2.RDA
3.Dietary intake according to food composition
4.Food intake according to the upper limit of the RDA
sol:
a. In this context, a variety of terms have been used to define the amount of nutrients needed by the body such as: optimum requirements, minimum requirements, recommended intakes or allowances, and safe level of intakes. Of theses, the term “recommended daily intake” or allowance (RDA) has been widely accepted.
b. Recommended daily allowance (RDA)
c. The term “recommended daily intake “is defined as the amounts of nutrient sufficient for the maintenance of the health in nearly all people.
d. They are reference standards of nutritional intakes. For all nutrients, except energy, estimates of allowances are based on the defined “minimum required “ plus a safety margin, often generous , for individual variation and stress of everyday life. In some cases, this has entailed adding to the observed mean, twice the standard deviation of the distribution of minimum requirement for the subjects measured.
e. This value will more than meet the requirements of 97. 5 per cent of population