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
... householder with no husband present, and 16.6% are non-families. 13.2% of all households are made up of individuals and 4.4% have someone living alone who is 65 years ...