Podcast
Questions and Answers
What is the name of the sensory receptors on your tongue?
What is the name of the sensory receptors on your tongue?
Taste buds
Name one of the five main flavors that taste buds can detect.
Name one of the five main flavors that taste buds can detect.
Sweet, sour, salty, bitter, or umami
What needs to happen to chemicals in food for you to taste them?
What needs to happen to chemicals in food for you to taste them?
Dissolve in saliva
Where are nerve impulses from taste buds sent?
Where are nerve impulses from taste buds sent?
What other sense works with taste to identify flavors fully?
What other sense works with taste to identify flavors fully?
How many main flavors can your taste buds detect?
How many main flavors can your taste buds detect?
Besides your taste buds, what cells combine with your taste buds to identify the subtle flavors?
Besides your taste buds, what cells combine with your taste buds to identify the subtle flavors?
What part of your body interprets the flavors?
What part of your body interprets the flavors?
Before 1974, how many main flavours were found?
Before 1974, how many main flavours were found?
What type of soup was Kikunae Ikeda eating when he discovered the fifth flavour?
What type of soup was Kikunae Ikeda eating when he discovered the fifth flavour?
What is the fifth taste known as?
What is the fifth taste known as?
What is the Japanese meaning for Umami?
What is the Japanese meaning for Umami?
Name a food that contains umami.
Name a food that contains umami.
What type of chemical is responsible for the flavour of umami?
What type of chemical is responsible for the flavour of umami?
Name a type of food that wears out your taste buds.
Name a type of food that wears out your taste buds.
How many days does it take for your taste buds to be replaced?
How many days does it take for your taste buds to be replaced?
Is taste related to smell?
Is taste related to smell?
Is the 'tongue map' the idea that there are different regions on the tongue for each of just four main flavours true?
Is the 'tongue map' the idea that there are different regions on the tongue for each of just four main flavours true?
Is the chemical for umami essential for living things need to survive?
Is the chemical for umami essential for living things need to survive?
Can taste buds only detect five main flavours?
Can taste buds only detect five main flavours?
What are the specialized sensory receptors used to taste food called?
What are the specialized sensory receptors used to taste food called?
Do new taste buds replace the old ones?
Do new taste buds replace the old ones?
True or false: Taste is only determined by your tongue.
True or false: Taste is only determined by your tongue.
True of false: Taste is not boring without smell.
True of false: Taste is not boring without smell.
True or false: You only taste the five main flavours.
True or false: You only taste the five main flavours.
Can you taste glass?
Can you taste glass?
Name a sense that helps you recognise what you taste?
Name a sense that helps you recognise what you taste?
Is sweetness supposed to be detected by taste buds on the tip of the tongue?
Is sweetness supposed to be detected by taste buds on the tip of the tongue?
Do we detect just four main flavours?
Do we detect just four main flavours?
What are the nerve impulses from the taste buds then combined by?
What are the nerve impulses from the taste buds then combined by?
As you get older, are more or less chemicals needed to taste the full flavours?
As you get older, are more or less chemicals needed to taste the full flavours?
True or false: The odours travel up your throat and into your nasal cavity towards your olfactory cells.
True or false: The odours travel up your throat and into your nasal cavity towards your olfactory cells.
Is glutamate found in tofu?
Is glutamate found in tofu?
If you tasted a piece of chicken, what would the the main flavour of the piece be?
If you tasted a piece of chicken, what would the the main flavour of the piece be?
True or false: The different taste receptors are found in all areas of the tongue, with some regions more sensitive than others.
True or false: The different taste receptors are found in all areas of the tongue, with some regions more sensitive than others.
Is there different regions on the tongue for each of the flavours?
Is there different regions on the tongue for each of the flavours?
True or false: Umami is not sweet, or sour, or salty or bitter.
True or false: Umami is not sweet, or sour, or salty or bitter.
True or false: When you have a blocked nose, food does not seem to taste as good.
True or false: When you have a blocked nose, food does not seem to taste as good.
New taste buds are produced every _ to 10 days.
New taste buds are produced every _ to 10 days.
Is histamine a flavour?
Is histamine a flavour?
What are the five main flavors detected by taste buds?
What are the five main flavors detected by taste buds?
What is the Japanese word 'umami' translated to in English?
What is the Japanese word 'umami' translated to in English?
What are the specialized sensory receptors on the tongue called?
What are the specialized sensory receptors on the tongue called?
What is the name of the chemical that is responsible for the umami flavor?
What is the name of the chemical that is responsible for the umami flavor?
Name one food that contains the umami flavor.
Name one food that contains the umami flavor.
Flashcards
Taste buds
Taste buds
Sensory receptors on the tongue that detect flavors.
Five Main Flavors
Five Main Flavors
The five main flavors detected by taste buds are sweet, sour, salty, bitter, and umami.
Flavor perception
Flavor perception
The combination of taste and smell.
Umami
Umami
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Tongue's sensory receptors
Tongue's sensory receptors
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Role of saliva in taste
Role of saliva in taste
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Taste bud renewal
Taste bud renewal
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Study Notes
- Memory is important for recognizing tastes and smells.
We Learn More About Biology
- There were thought to be separate regions on the tongue for each of four main flavors for decades.
- Sweetness was supposedly detected at the tip, sour flavors on the sides, saltiness towards the front, and bitterness at the back.
- This "tongue map" is from a misinterpreted scientific German text from around the early 1900s.
- Scientists found the error in 1974; however, many textbooks still talk about the four taste regions.
- All taste receptors are in all areas of the tongue, but some are more sensitive.
- At least five main flavors can be detected.
The Fifth Taste: Umami
- Kikunae Ikeda, a chemistry professor at Tokyo Imperial University, identified the fifth flavor in 1908.
- He was curious about why seaweed soup was so delicious.
- Umami refers to savoriness or deliciousness
- He isolated glutamate, the chemical responsible for umami.
- Glutamate is essential for survival and is in meat, seafood, tofu, tomatoes, and aged cheese.
- The Japanese word "umami" means delicious.
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