Related Experiment Video
Updated: May 21, 2026

09:17
Psychophysical Tracking Method to Measure Taste Preferences in Children and Adults
Published on: July 16, 2016
Sensory characteristics and consumer segmentation for boiled sweetpotatoes
Eric Kuuna Dery1, Edward E Carey2, Ibok Oduro3
1VAD, CSIR-Oil Palm Research Institute, Kade, Ghana.
Summary
Understanding consumer preferences is key to increasing sweetpotato adoption in Ghana. Research revealed distinct consumer groups and preferences for specific sweetpotato varieties based on traits like texture and sweetness.
Area of Science:
- Food Science
- Consumer Behavior
- Agricultural Economics
Background:
- Sweetpotato adoption as a staple food in Ghana faces challenges.
- Understanding consumer preferences is crucial for driving adoption.
Purpose of the Study:
- To investigate consumer preferences for sweetpotato varieties in Ghana.
- To identify factors influencing sweetpotato choice using a multi-disciplinary approach.
Main Methods:
- Employed a multi-disciplinary approach combining social behavior and food science.
- Utilized consumer preference surveys, cluster analysis, and preference mapping.
- Linked consumer perceptions and choices to specific sweetpotato variety traits.
Main Results:
- High overall preference for the cream-fleshed 'CSIR-Okumkom' variety.
- Regional preferences varied, with some favoring orange-fleshed 'CSIR-SARI Nan'.
- Identified three consumer clusters with distinct preferences for texture, sweetness, and variety.
Conclusions:
- Sweetpotato varieties possess diverse sensory traits influencing consumer choice.
- Targeted breeding programs and advocacy are recommended to enhance adoption.
- Addressing specific consumer segment preferences can boost sweetpotato consumption in Ghana.
Related Concept Videos
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.
Sensory Perception: Organization of the Somatosensory System
The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
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...
Sensory Functions of the Skin
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
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,...
Glucose Transporters
Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
