MISCELLANEOUS
INGREDIENTS
ANTICAKING AGENT
Functions
Prevent formation of clumps
Coat the particles to make them water repellent
adsorb excessive moisture
Examples
Calcium silicate
Calcium carbonate
Calcium stearate
Bentonite
Talcum powder
Sodium aluminosilicate
HUMECTANTS
Hygroscopic substance which promotes the retention of water thus keeping the product moist.
Examples
Glycerine
Used in dried foods such as dried fruits, jelly candy, fruit fillings
To lower the vapour pressure of food thus retaining moisture
Depress the freezing point
Help the fruit pieces to remain soft in frozen desserts
Suitable for sweet or bland taste of food
Propylene glycol
Sorbitol
Polydextrose
Lower the equilibrium vapour pressure of food
Lower the aw
Attracts the water
Has slightly bitter taste
Reduce the migration of water molecules
LEAVENING AGENT
Substances that results in expansion of dough & batter through releasing of gases within mixture
Examples
Air
Through vigorous mixing
Forming foam when air bubble is incoporated
Baking powder/ baking soda
Powder/ soda mix with acid
Releasing CO2 during expansion
Yeast
Through fermentation process
Fermentation starts when yeast acts on sugar
By product: CO2
Steam
CHELATING AGENT
Functions
Bind with metal ions thus make them unavailable for destructive reactions such as discolouration & rancidity
Examples
Acidulants
Effective for calcium, magnesium and sodium
EDTA
Only effective when the usage level is low