Anusorn Cherdthong, PhD 137748 Applied Biochemistry in Nutritional Science E-learning:

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Presentation transcript:

Anusorn Cherdthong, PhD Applied Biochemistry in Nutritional Science E-learning: Lipids and Fatty Acids

Lipid nonpolar hydrophobic

Characteristics of Lipids  Nonpolar  Largely hydrophobic. (hydrophobic) insoluble in water but soluble in non-polar organic solvents (such as hexane or ethanol application).  Important component of the cell membrane (cell membrane).  The nutrients. Provide energy source to the body.  The soluble vitamins. Fat soluble such as Vitamin A, D, E and K.

Characteristics of Lipids Lipids (lipid) are organic compound composed of carbon, hydrogen, oxygen, essentially.

Characteristics of Lipids OpenStax College (2013) Amphiphile structure

Characteristics of Lipids OpenStax College (2013) Bilayer

Chemistical process of lipid  Saponification  Halogenation  Hydrogenation  Racidity

Classification of lipid simplecompoundmiscel Fat, oil Wax Phospholipid Glycolipid Lipoprotein Sterol Terpene Icosanoid derivative Fatty acid Glycerol

Characteristics of fatty acid  Consisted of carboxyl and hydrocarbon  Depend on hydrocarbon chain  Cell membrane fond unsaturated FA  Unsaturated FA:  Ciss  Tran  Addition halogen group

Ciss and trans structure OpenStax College (2013)

Classification of fatty acid  Saturated fatty acids  Unsaturated fatty acids  Monounsaturated fatty acids  Polyunsaturated fatty acids)  Eicosanoids  Prostanoids  Leukotrienes

Classification of fatty acid  Non- essential fatty acid  Plamatic, strearic acids  Essential fatty acid  Omega-3 fatty acid  linolenic acid  Eicosapentaenoic acid  Docosahesaenoic acid  Omega-6 fatty acid  linoleic acid  arachidonic acid Base on requirement

Relation between FA McDonald et al. (2011)

Micelle Nelson and Cox (2000)

Acylglyceride  Monoacylglyceride  Diacylglyceride  Triacylglyceride

Role of lipid and FA  Energy source  Vitamin soluble  Nutrient storage  Prevent heat  Structure cell membrane  Substance of vitamin and hormone  Blood clotting  Emulsifying agents

Conclusion Characteristics of Lipids 3 Role of lipid and FA Classification of lipid Classification of FA

Thank you!