vitamins 1 Flashcards
what is the active form of thiamine
thiamine pyrophosphtate
what reaction is reaction thiamin involved in
in aldehyde reactions
what are the main functions of thiamine
- energy metabolism
- synthesis of acetylcholine and myelin
- kidney, brain and liver metabolism
- pyruvate to Acetyl CoA
- ribose 5 - p to glyceride aldehyde 3 -p
tell deficiencies of thiamine
Beriberi
impaired vision and coordination
wernicks and Korsakov
tell food sources of thiamine
high carbs
only white flour is fortified
meat
tell processing affects on thiamine
leach during cooking
high pH
UV
processed meat has low amount
tell the active form of riboflavin
FAD
tell reaction riboflavin involved in
REDOX reactions
tell the main function of riboflavin
FADH productiona fatty acid oxidation folate metabolism Hb synthesis iron absorption methylation reaction conversion of tryptophan to niacin
tell deficiency of riboflavin
cheliosis and angular stomatitis- consequences
redness around mouth area
tell food sources of riboflavin
DAIRY - main
yeast products and marmide
tell processing losses of riboflavin
stable to heat and pH
leach out
sensitive to UV
tell the active from of pyridoxine
peridoxal -5 -phosphate
tell the reaction pyridoxine involved in
amino acid metabolism and synthesis of essential and non essential aa
in what 3 forms pyridoxine is found
pyridoxal - animals and plants
pyridoxol- plants
pyridoxine- animals
tell functions of pyridoxine
synthesis of niacin, serotonin and heme
synthesis of 3,10 methylene TH4 … in DNA
tell deficiencies of pyridoxine
RARE
excess can affect sensory perception
depression and condition - results
tell the food sources of pyridoxine
Animals and plants
tell the process losses of pyridoxine
physical:
leaching during chemical and domestically operations
Chemical :
UV and high pH affects
pyridoxOL - stable to heat but not others
