Vitamins - General & History

Question 1

organic substances required by animals for metabolism. Available from diet and can’t be made by body at a fast enough rate

Answer 1

vitamins

Question 2

fat soluble vitamins

Answer 2

A, D, E, K

Question 3

water soluble vitamins

Answer 3

Vitmanin C & B complex

Question 4

who realized that the known nutrients alone wouldn’t support life

Answer 4

Lunin (1881)

Question 5

who discovered that there are fat-soluble and water-soluble factors

Answer 5

McCollum

Question 6

isolated the cause of polyneuritis in poultry and beriberi in man as being cured with rice hulls

Answer 6

Eijkman (1897)

Question 7

came up with the term “vitamine”

Answer 7

Funk (1912)

Question 8

isolated vitamin A (a fat-soluble substance) from cod-liver

Answer 8

Osborne and Mendel (1913)

Question 9

compounds that give rise to the vitamins

Answer 9

provitamins

Question 10

compounds that inhibit vitamins

Answer 10

antivitamins

Question 11

many factors are known to negatively affect vitamin ptency resulting in loss of vitamin activity (either of the natural vitamin content or of the synthetic forms of the vitamin in a vitamin premix). Name 4 of these factors.

Answer 11

1. heat
2. time
3. moisture
4. oxidizing agents (minerals) in the feed
5. light
6. pH

Question 12

which would be considered to present more of a vitamin toxicity problem (though it would be rare to have a problem) - water soluble vitamins or fat soluble vitamins?

Answer 12

fat soluble vitamins