500
Fill in the blanks with the type of chemicals that stimulate a certain taste:
Umami:
Bitter:
Salty:
Sour:
Sweet:
Umami- glutamate
Bitter- alkaloids- (i.e. coffee)
Salty- metal ions- (i.e. salt ions- Na+, K+, etc.)
Sour- H+ (i.e. vinegar- acetic acid)
Sweet- hydroxide ion (OH)