Development of a flavour wheel for Coffea canephora using rate-all-that-apply
Fabiana M Carvalho1, Enrique A Alves2, Mateus M Artêncio3
1Department of Food Science and Nutrition, Faculty of Food Engineering, State University of Campinas, UNICAMP-FEA, Rua Monteiro Lobato, 80, Cidade Universitária, Campinas, SP, 13083-862, Brazil. bibimesq@gmail.com.
Scientific Reports
|May 13, 2025
Summary
A new aroma/flavour wheel was developed to describe Coffea canephora coffee sensory profiles. This tool helps standardize the evaluation of robusta coffee quality for the specialty market.
Area of Science:
- Food Science
- Sensory Science
- Agriculture
Background:
- Improving Coffea canephora (robusta) cup quality is crucial for market diversification.
- A standardized descriptive tool for robusta coffee sensory evaluation is currently lacking.
- This study addresses the need for a defined sensory profile for robusta coffee.
Purpose of the Study:
- To identify and organize aroma/flavour descriptors for Coffea canephora.
- To develop a sensory wheel for robusta coffee quality assessment.
- To compare sensory evaluations between exporting and importing countries.
Main Methods:
- 67 Coffea canephora samples from 13 countries underwent sensory evaluation.
- 49 professional coffee graders used a Rate-All-That-Apply (RATA) list and CQI protocol.
- Data from 3 cupping sessions were analyzed to create a three-tiered aroma/flavour wheel.
Main Results:
- A total of 103 aroma/flavour descriptors were identified and organized into a wheel.
- 'Roasted' was the highest-scoring Tier 1 category, followed by 'sweet' and 'fruity'.
- Differences in descriptor usage and scoring were observed between exporting and importing country graders.
Conclusions:
- The developed aroma/flavour wheel serves as a tool for identifying and mapping robusta coffee sensory characteristics.
- Standardized sensory descriptions are vital for the coffee industry and quality improvement research.
- This tool facilitates the recognition of Coffea canephora in the specialty coffee market.
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