Organic substances, not synthesized within the body
VITAMINS
essential in () amounts for the maintenance of normal metabolic functions
small
Do not furnish energy and are not utilized as building units for cellular structure
VITAMINS
Term was derived in
1911
Term was derived in 1911 –
vital amine
Used as special dietary supplements or as drugs
VITAMINS
FAT -SOLUBLE VITAMINS
VITAMIN A,D,E,K
VITAMIN A
Β-IONINE, RETINOL
Most toxic vitamin Most stable vitamin
VITAMIN A
VITAMIN A Function
Vision, growth, tissue differentiation
all-trans retinoic acid (Retin-A)
Tretinoin
Highly teratogenic Treat acne vulgaris
Tretinoin
13-cis retinoic acid
Isotretinoin
Isotretinoin
Accutane
B-carotene
Solatene
Precursor (converted in small intestine)
B-carotene
For cystic acne CI: Pregnancy
Isotretinoin
VITAMIN A
Fish liver oils
VITAMIN A Deficiency
Nyctalopia Xeropthalmia Hyperkeratosis
VITAMIN D
SUNSHINE VITAMIN)