1. - vit B 1 ,B 2, B 6 ,B 12 - act as co-enzyme
B- vitamins
- vit B 1 ,B 2, B 6 ,B 12
- act as co-enzyme

2. Vitamin B complex

3. ** Vit B 1 : called thiamine water soluble vit
destroyed by alkaline substance
well absorbed in acidic media especially in the duodenum
has role of metabolism
deficiency of vit B 1 called : Beriberi

5. ** signs & symptoms of Beriberi :
1-aneroxia
2-indigestion
3-constipation
4-parlysis
5-edema of lower limb
6-muscle pain
** the need of vit B 1 is increased during pregnancy ,lactation ,infancy ,childhood ,adolescence

6. ** Riboflavin [ vit B 2 ]: Yellow –green pigment Water soluble
Destroyed by light
Absorbed in the upper part pf small intestine [ intestinal mucosa ]
Milk decrease absorption of B vit B 2
Act as co-enzyme
Has role in production of energy
Aid in tissue building
Deficiency of bit B 2 lead to : tissue inflammation & break down , poor wound healing ,cracked lip ,swollen tongue

7. *pyridoxine : { vit B 6 } Water soluble vit Sensitive to light
Absorbed in the upper portion of the intestine
Has role in protein metabolisms
Bit B 6 regulate brain activity
Neuritis is deficiency of this vit

9. **cobalamine : { vit B 12 }
Deficiency of this vit lead to pernicious anemia
-source of this vit is mainly from animal origin
- absorption of cobalamin in the ileum
-this is common in vegetarian

13. Minerals one of micronutrient substances .
these elements deposited in the rock ,go to soil, then to plants , animal eat it ,then go to human .
inorganic elements
has vital role in human metabolism { building ,activity ,regulating ,transmitting ,& controlling }
Na ,K [ shift of body water ]
Ca ,ph provide structure of the body framework
Iodine need for thyroid hormone
2% of Ca need to build the skeletal tissue .

14. Minerals

15. ** types of minerals : 1- major mineral - found in large amount
-seven major minerals ( ca ,Mg ,Na ,K,ph ,sulfur & chloride )
2- Trace elements :
- found in small amount
- as iron ,iodine ,zinc ,copper ,Manganese ,fluoride

16. Thanks