The function of the taste system in humans is to determine if the food is nutritious and safe to consume, as well as to prepare the digestive tract for the processing of the nutrients consumed [6]. The machinery of taste is located in the oral cavity, with the gustatory papillae housing groups of 50–100 taste receptor cells (TRCs) in structures called taste buds. The papillae are divided into three types according to the topographical representation on the tongue: fungiform, foliate and circumvallate papillae [