cats-taste

Cats Can’t Taste Sweetness.

Do you like sweets?

Dogs, like humans, like sweet things.

How about cats?

No, they don’t.

Because cats don’t feel sweet.

At the end of the 20th century, the structure of taste buds was elucidated.

Taste buds are receptors on the tongue that allow you to feel the taste.

Human taste is basically divided into the following five types.

  • Sweetness
  • Sourness
  • Saltiness
  • Bitterness
  • Savoriness

Taste buds recognize the ingredients of food and convey the sense of taste to the brain.

For example, you feel “sweet” when you lick sugar and “umami” when you chew meat.

There are several proteins needed to taste.

Two types of proteins called “T1R2” and “T1R3” are required for the taste buds to feel sweet.

However, the cat gene cannot produce “T1R2” well.

So cats don’t like sweet things.

Cats have long been carnivorous.

Therefore, it is speculated that there was not much need to recognize carbohydrates and sugars with the tongue.

・References
https://tama.wtf/jp/science/biology/cats-taste
NPR: Cats Can’t Taste Sweetness, Study Finds

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