Flavour enhancers are commonly added to commercially produced food products (eg. frozen dinners, instant soups, snackfoods) to make them taste more 'savoury'.
The commonly used flavour enhancers are:
Australian
... are 61 households out of which 29.5% have children under the age of 18 living with them, 45.9% are married couples living together, 8.2% have a female householder ...