weekly+lecture+sumary

WEEKLY LECTURE SUMMARY

WEEK 1

** Primary function **

 * 1) thickening agents
 * 2) gelling / texturizing agents

** Classes of Hydrocolloids **

 * 1) from exudation or sap of trees - Gum arabic
 * 2) extract from seed - Locust bean gum
 * 3) extract from seaweeds - Carrageenan
 * 4) microbial gums - Gellan
 * 5) extract from tubers - Konjac
 * 6) extract from plant parts - Pectin

Factor affect gum properties

 * 1) molecular weight
 * 2) monosaccharides composition
 * 3) types of side chains
 * 4) number of side chains
 * 5) istribution of side chains