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
... St. Ives[?]
Cumbria
Abbot Hall Art Gallery[?], Kendal[?]
Beatrix Potter Gallery[?], Hawkshead[?]
Cumberland Pencil Museum[?], Keswick
Dock Museum[?], ...