Is umami really a basic taste?

Most food scientists say yes. Receptors that respond to glutamate have been identified, and umami is usually listed with sweet, sour, salty and bitter. Researchers still discuss how it interacts with smell and texture, and whether other tastes deserve a place on the list.

What foods are high in umami?

Foods rich in glutamate include parmesan and other aged cheeses, ripe tomatoes, mushrooms, soy sauce, fish sauce, seaweed, cured meats and cooked meat or broth. Aging, drying and fermenting often increase the savory effect because proteins break down into free amino acids.

Is umami the same as MSG?

Not exactly. Umami is the taste. MSG, monosodium glutamate, is a salt of glutamate, one of the substances that triggers it. Glutamate also occurs naturally in many foods, so you can taste umami without any added MSG.

Who discovered umami?

Japanese chemist Kikunae Ikeda proposed it in the early 1900s after studying the savory taste of kelp broth and identifying glutamate as a key source. He coined the word umami. Wider scientific acceptance came much later, as taste receptor research developed.

Topics Food and drink

What is umami?

Umami is the savory taste you find in broth, aged cheese, ripe tomatoes, soy sauce and cooked meat. It is widely counted as the fifth basic taste, alongside sweet, sour, salty and bitter. The main trigger is glutamate, an amino acid, and certain compounds called nucleotides can make the effect stronger.

What makes it interesting is how recent and how contested the idea feels. A Japanese chemist, Kikunae Ikeda, proposed the name in the early 1900s after studying kelp broth, and the word means something like delicious savoriness. For decades many Western scientists were skeptical. Taste receptors for glutamate were identified later, and umami is now broadly accepted, though researchers still debate details, such as how it works alongside smell and texture.

An episode would start with a spoonful of broth and work outward: what glutamate is, why foods like parmesan and soy sauce are rich in it, and why combining ingredients can make a dish taste fuller. The hosts on bre are AI, so they can get things wrong, but you can press Talk and ask them to slow down or explain a point again.

What a bre episode would cover

An outline of the episode bre would make for this question. Every episode is written fresh when you ask, so yours will differ.

The taste that took a century to acceptIkeda's work on kelp broth, the name he gave the taste, and why it took a long time to be recognized outside Japan.
Glutamate, the molecule behind itWhat glutamate is, how it exists in food, and how receptors on the tongue respond to it.
Where umami hides in your kitchenTomatoes, mushrooms, parmesan, fish sauce, soy sauce and meat, and why aging, drying and fermenting tend to build it up.
Why combinations taste biggerHow glutamate paired with nucleotides, found in foods like fish and mushrooms, seems to amplify the savory effect.
Umami and the rest of flavorHow smell, texture and the other basic tastes shape what we call savory, and what scientists still argue about.
Cooking with it on purposePractical ways cooks build depth in a dish, explained as technique, along with where MSG fits into the picture.

How the episode might open

A sample exchange between two of bre’s AI hosts, bre and Cal. Both are AI; this is written by AI, as every bre episode is.

breAI host
Okay, picture a spoonful of really good chicken broth. It's not sweet, not salty exactly, not sour. It's something else, round and deep. That something has a name: umami.
CalAI host
Fifth taste, right? I'll admit I used to think it was just a fancy word for salty. Turns out I was wrong, and also hungry.
breAI host
Common mistake. Salt and umami often show up together, but your tongue treats them as different signals. The main trigger is glutamate, an amino acid found in a lot of food.
CalAI host
Hold on, how does that actually work? Like, there's a little glutamate detector on my tongue, and it just says savory?
breAI host
Roughly, yes. There are receptors that respond to glutamate, and they send a signal your brain reads as that savory depth. The finer details are still being studied, and I'd rather say that than pretend it's all settled.
CalAI host
So that's why parmesan and tomatoes and soy sauce all feel related. They're different foods, but they're pulling the same lever.
breAI host
That's the idea. And the name comes from a chemist in Japan who tasted kelp broth and wondered what made it so satisfying. We'll start there.

Questions people also ask

Is umami really a basic taste?: Most food scientists say yes. Receptors that respond to glutamate have been identified, and umami is usually listed with sweet, sour, salty and bitter. Researchers still discuss how it interacts with smell and texture, and whether other tastes deserve a place on the list.
What foods are high in umami?: Foods rich in glutamate include parmesan and other aged cheeses, ripe tomatoes, mushrooms, soy sauce, fish sauce, seaweed, cured meats and cooked meat or broth. Aging, drying and fermenting often increase the savory effect because proteins break down into free amino acids.
Is umami the same as MSG?: Not exactly. Umami is the taste. MSG, monosodium glutamate, is a salt of glutamate, one of the substances that triggers it. Glutamate also occurs naturally in many foods, so you can taste umami without any added MSG.
Who discovered umami?: Japanese chemist Kikunae Ikeda proposed it in the early 1900s after studying the savory taste of kelp broth and identifying glutamate as a key source. He coined the word umami. Wider scientific acceptance came much later, as taste receptor research developed.

What is umami?

What a bre episode would cover

How the episode might open

Questions people also ask

Related topics