Carbohydrates Leaving Cert Home Economics

Leaving CertificateHome EconomicsOL

  • Monosaccharide – Carbohydrate with one sugar unit
  • Disaccharide – Carbohydrate with two sugar units
  • Polysaccharide – Carbohydrate with many sugar units
  • Photosynthesis – How plants produce carbohydrates
  • C6 H12 O6 – Chemical formula for a monosaccharide
  • C12 H22 O11 – Chemical formula for a disaccharide
  • (C6 H10 O5 ) n – Chemical formula for a polysaccharide
  • 6CO2 + 6H2O + sunlight + Chlorophyll= C6 H12 O6 + 6O2Equation for photosynthesis
  • carbon, hydrogen, oxygen – 3 elements found in carbohydrates
  • glucose , fructose, galactose – 3 examples of monosaccharides
  • sucrose, lactose, maltose – 3 examples of disaccharides
  • starch, pectin, cellulose – 3 examples of polysaccharides
  • heat & energy, spare proteins, energy reserve,insulator, helps movement of food – 5 biological functions of carbohydrates
  • 25-35g – RDA of fibre
  • NSP – non starch polysaccharide
  • Digestion of carbohydrates – The breakdown of polysaccharides & disaccharides into monosaccharides.
  • Hydrolysis – The adding of water to carbohydrates during digestion.
  • Amylase – enzyme that works on starch breaking it down to maltose
  • Maltase – enzyme that works on maltose breaking it down to glucose
  • Lactase – enzyme that works on lactose breaking it down to glucose & galactose.
  • Sucrase – enzyme that works on sucrose breaking it down to glucose & fructose.
  • Gelatinisation – property of starch
  • Soluble in water – property of sugar
  • Helps jams to set – property of pectin
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