Human Nutrition 3(3+0)

Lesson 24 : Thiamine (Vitamin B1)

Requirements

As thiamine is essential for carbohydrate metabolism and carbohydrates supply more than 70% of energy in the diets of low income groups, the thiamine requirements are based on calorie intake and are given as 4mg per 1000k.cal.

Table: RDA for thiamine

Group	Thiamine (mg)
Infants 0- 6 months 7-12 months	0.2 0.3
Children 1-3 years 4-6 years 7-9 years	0.5 0.7 0.8
Boys 10-12 years 13-15 16-17 Girls 10-12 years 13-15 years 16-17 years	1.1 1.4 1.5 1.0 1.2 1.0
Man Sedentary work Moderate work Heavy work	1.2 1.4 1.7
Woman Sedentary work Moderate work Heavy work Pregnant woman Lactation	1.0 1.1 1.4 +0.2 +0.3

Ref: Nutrition Expert group , ICMR(2010)