Related Experiment Video
Updated: May 28, 2026

07:10
Taste Exam: A Brief and Validated Test
Published on: August 17, 2018
Taste-nutrient relationships in commonly consumed foods.
Mirre Viskaal van Dongen1, Marjolijn C van den Berg, Nicole Vink
1Division of Human Nutrition, Wageningen University, The Netherlands. mirre.viskaal-vandongen@wur.nl
The British Journal of Nutrition
|October 25, 2011
Summary
Taste signals nutrient content, especially sugars, protein, and sodium in less processed foods. However, this sensory link is weakened in highly processed foods, limiting nutrient detection.
Area of Science:
- Nutritional Science
- Sensory Science
- Food Science
Background:
- Taste perception is traditionally linked to a food's nutrient value.
- Modern diets high in processed foods may alter this relationship.
- Understanding taste as a nutrient sensor is crucial for dietary guidance.
Purpose of the Study:
- To investigate if taste intensity correlates with nutrient content in common foods.
- To determine how food processing affects the taste-nutrient association.
- To identify taste-based food groupings and their nutrient profiles.
Main Methods:
- Fifty common foods were assessed for the intensity of five basic tastes by 19 subjects.
- Linear regression analyzed taste-nutrient associations.
- Cluster analysis grouped foods by taste, followed by ANOVA for nutrient comparison.
Main Results:
- Sweetness correlated with simple sugars; saltiness and savouriness correlated with sodium and protein.
- Four taste-based food groups emerged: neutral, salty/savoury, sweet-sour, and sweet.
- Nutrient content varied significantly across these groups, particularly for sugars, protein, and sodium.
- Associations between taste and nutrients were stronger in raw/moderately processed foods.
Conclusions:
- Sweetness, saltiness, and savouriness can indicate the presence of sugars, protein, and sodium.
- The ability of taste to signal nutrient content is diminished in highly processed foods.
- Dietary choices and health recommendations should consider the impact of food processing on taste-nutrient signaling.
Related Concept Videos
Taste Buds and Receptors
Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
The Physiology of Taste
The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the diffusion of...
Dietary Connections
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used as energy sources to produce...
Key Elements for Plant Nutrition
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the atmosphere, the...
Gustation
Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
Regulation of Food Intake
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
