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The six common elements found in food are:
Carbon(C) Hydrogen(H) Oxygen(O) Nitrogen(N) Phosphorus(P) Sulfur(S)
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Five elements dissolved salts are:
Soduim(Na) Magnesuim(Mg) Chlorine(Ci) Potassuim(K)Calcium(Ca)
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Trace Elements
Iron (Fe) Copper (Cu) Zinc (Zn)
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Biomolecules
are chemicals that are made inside a living thing
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Biomolecules in food are:
Carbohydrates,Lipids ,Proteins and Vitamins
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Carbohydrates
made C(carbon),H(Hydrogen),O(Oxygen)
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(A)Element Lipid :
(B)Metabolic role :
(C)Structural role :
(D)Sources :
- (A):Carbon ,hydrogen ,Oxygen
- (B):Release Energy in Respiration
- (C):Form a protective layer around the organs e.g Heart
- (D):Butter,Oil
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(1) Types of carbohydrates:
(2) Soures:
(3) Structural :
(4) Metabolic Role:
- 1)Monosaccharides(1unit)egGlucose,Fructose
- Disaccharides(2 unit)eg Sucrose ,Maltose
- Polysaccharides(3 unit)egStarch,cellelose,
- (2) Bread,potato,rice.flour
- (3) Cellulose forms cell wall
- (4) Glucose is made in photosynthesis and rele
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What is Triglyceride?
Three molecules of fatty acid joined to one molecule of glycerol
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