Gums and Stabilisers
Properties
Stability
Dispersibility and solubility
Interaction with other gums
Protein reactivity
Gelation of hydrocolloids
thermally irreversible gelling agents
HM pectin
konjac
alginate
thermoreversible gelling agents
LM pectin
gelatin
agar
kappa and iota carrageenan
gellan gum
definition
water soluble gums
make info
easier to remember
interesting
save time
a range of polysaccharide + proteins
gums or stabilisers
Functions
primary
Thickening agents
Gelling or texturizing agent
secondary
formation of film
suspension of particulates
stabilisation of emulsion
control of crystallisation
encapsulation
main classes of hydrocolloids
extract from plant parts
extract from tubers
microbial gums
extract from seaweeds
extract from ssed
derivatives from exudation or sap of trees
Factors affect gum properties
distribution of side chains
number of side chains
type of side chains
monosaccharide composition
Molecular weight
