Linked from
The 8 pages that link to Glutamic acid, each with the reason it gives.
TomatoRelated: Free glutamic acid helps give ripe tomatoes their characteristic savory flavor.
DashiBroader topic: Kombu releases glutamate, the key taste compound in kombu dashi.
KombuRelated: Kombu’s glutamate is the main source of its characteristic savory taste.
Edible seaweedRelated: Glutamate in some seaweeds helps explain their savory, umami-rich flavor.