There are a few different ways you could test for sour and bitter substances without tasting them. You could test for the presence of elements that make something sour or bitter for example.
Sour-tasting substances will be acidic, or have a pH of <7
Sour taste is associated with acids (technically, pH less than 7).
Acids taste sour, alkaline substances taste bitter.
Yes, there are specific areas for tasting salt, sour, sweet and bitter.
Sweet, Salty, Sour, Umami (Japanese for Savory), and bitter.
Tasting sour
Sour-tasting substances will be acidic, or have a pH of <7
Sour taste usually indicated the presence of an acid, while the bitter means base, and there are various indicators to distinguish acids from bases.
Sour taste is associated with acids (technically, pH less than 7).
No, these are distinctly different. A lemon is sour tasting. Some strong coffees can be quite bitter.
Acids taste sour, alkaline substances taste bitter.
Yes, bases taste bitter. Acids taste sour.
Alkali substances taste bitter, or soapy.
Yes, there are specific areas for tasting salt, sour, sweet and bitter.
Acer-phobia the fear of things tasting the are sour from being spoiled or rotten when tasted without prompting. Milk gone bad. things curdling without purpose or the aged bitter sour tastes from etc. items.
sour tasting foods are acids.
it is a base because it tastes bitter. now if it was an acid it would taste sour and not bitter like a base.