There are five basic taste sensations. Select the one mismatched with its causative agent. There are five basic taste sensations. Select the one mismatched with its causative agent. Sweet; organic compounds such as sugar Umami; amino acids such as glutamate or aspartate found in chicken soup Salty; metal ions such as potassium or sodium Sour; hydrogen ions from acids such as those in lemons Bitter; acids such as those in toxins or poisons