What is dietary requirement of Thiamine (Vitamin B1)?
A04. The dietary requirement for thiamine is proportional to the caloric intake of the diet and ranges from 1.0 – 1.5 mg/day for normal adults. If the carbohydrate content of the diet is excessive then an increased thiamine intake will be required. Requirement is increased in pregnancy and lactation. It also depends of intestinal synthesis and absorption and fat content of diet (increased Pyruvate). Q05. What are dietary sources of Vitamin B1? A05. Following are the dietary sources of Vitamin B1: High: 1000-10,000microgram/100g Wheat germ, rice bran, soybean flour yeast and ham. Medium: 100-1000microgram/100g Peanuts, pecan, walnut, almonds etc. sprouts, Broccoli, cauliflower, potatoes, beans, Eggs, milk and beef whole grain cereals and breads. Low: 10-100microgram/100g Apples, berries, banana, oranges, dates Beet, cabbage, carrot, radish, spinach etc. Q06. Describe biochemical role of thiamine. A06. Active form of thiamine, that is thiamine pyrophosphate (TPP) is required for the key
