Meanings
Usage patterns
〈物〉に旨味があるthere is deliciousness/umami in something
This soup has a rich, savory flavor.
旨味を引き出すto draw out the umami flavor
Kelp plays a role in drawing out the umami in the broth.
〈事〉に旨味があるthere's profit or advantage in something
There's real profit to be made in this deal.
旨味がないthere's nothing in it (no benefit or appeal)
There isn't much benefit in this job.
〈人〉に旨味があるsomeone has a certain charm or appeal
His acting has a unique charm to it.