One might add a pinch of salt and/or a tablespoon of lemon juice, depending on the food in question.
No. But lemons don't taste sweet nor sour they just have a very tangy flavor witch appears to be sour.
Sugars
salt
Nothing really makes it taste sweet. It's your taste buds that determines that. So really nothing makes thing sweet. That's just how food is.
A food that is sweet will not taste good after you have been getting or drinking something that is sweet as well.
sugar
Sugar
You taste food because your body has taste buds in the back of the throat that allow you to taste the flavors of the food. They are very sensitive and may react to overly spicy, sweet, or salty foods.
may be there other ingredients that's taste sweet, its not necessary that glucose must be present, may be artificial sweet, which taste sweet but is not glucose
The opposite of bitter taste is sweet taste. Sweetness is the sensation that balances out bitterness in food and beverages.
Sugar
Savory food is characterized by a rich, umami flavor that is not sweet or spicy. It often includes ingredients like meat, vegetables, and herbs that create a satisfying and hearty taste. Unlike sweet food, which is sugary, and spicy food, which is hot, savory food is more about depth of flavor and a balanced taste profile.