In secret mission à la James Bond in Tokyo, Sonoma, Paris and Chile? Instead of saving the world, he saved our taste buds. And then he became world champion of the Sake sommeliers. Honestly, it sounds like a title Marvel could use for its next superhero.

Umami taste we do not want in wine: off-flavors, amino acid breakdown by bacteria or yeast, meaty, brothy "bouillon" even if wines seem easier to understand, savory and tasty for the client.
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French taste.