Carbohydrates
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Hydrates of aldehyde or ketone derivatives based on carboxyl functional group
Carbohydrates
Different Classifications of Carbohydrates:
Monosaccharide Disaccharide Oligosaccharides Polysaccharides
Starch and Cellulose
Polysaccharide
simplest carbohydrate
Glycol aldehyde
Only carbohydrate that can be used directly for energy
Glucose
Glucose Metabolism intermediate products:
• Pyruvic acid • Lactic Acid • Acetyl Coenzyme A
Glucose Metabolism after COMPLETE OXIDATION:
• Carbon dioxide • Water • ATP
Reducing sugars are:
Glucose Galactose Maltose Lactose Fructose
Non-Reducing Sugars:
Sucrose Trehalose (Found in mushroom)
Produced by the Beta Cells of Pancreatic islets of langerhans ; Promotes entry of cells in LIVER, MUSCLE, AND ADIPOSE TISSUE
Insulin
Produced by DELTA cells of pancreatic islet of Langerhans; INHIBITS secretion insulin, glucagon and growth hormones
Somatostatin
Produced by Anterior pituitary gland known to be a INSULIN ANTAGONIST
Growth Hormone ACTH (secretes cortisol)
Secreted by Adrenal Gland stimulates NEO-LI-GLY Gluconeogenesis Lipolysis Glycogenolysis
Cortisol / Glucocorticoids
Produced by MEDULLA of the adrenal gland. It stimulates GLY-Li Glycogenolysis Lipolysis
Epinephrine / Adrenaline
Secreted by the ALPHA CELLS of pancreatic islets of langerhan; stimulates NEO-GLY MAJOR HYPERGLCEMIC AGENT
Glucagon
Produced by thyroid gland; increased absorption of glucose from intestine
Thyroxine
Glucose –> Pyruvate/Lactate + ATP For Energy use
Glycolysis
Amino acid , Glycerol, Lactate —> Glucose, Ketones, Urea Nitrogen • Formation of glucose from non-CHO group
Gluconeogenesis
Glycogen —> Glucose
Glycogenolysis
Glucose —> Glycogen
Glycogenesis
Triglycerides —> Fatty acids + Glycerol
Lipolysis
Glucose —> Fatty acids
Lipogenesis
Pyruvate —> Acetyl CoA = ATP
Tricarboxylic Acid and Electron Transport System
TCA and ETS happens within
Mitochondria