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
... famous role is that of the cranky professor forced to stay immobile because of a broken leg in 1942's The Man Who Came to Dinner[?], which he had performed onstage before ...