How the Coffee Quality Institute Grades Fine Robusta
1. How the Coffee Quality Institute Grades Fine Robusta Fine Robusta isn't a marketing label — it's a specific score achieved under a formal grading...
1. How the Coffee Quality Institute Grades Fine Robusta
Introduction
Fine Robusta isn't a marketing label — it's a specific score achieved under a formal grading protocol CQI developed for Robusta coffee. Here's the overview of how that process works.
Why This Matters
Buyers relying on a "Fine Robusta" claim should understand exactly what evaluation stands behind it, so the term means something concrete in a purchase decision.
Main Explanation
CQI's Fine Robusta grading combines two separate evaluations: a sensory cupping score on a 100-point scale, and a physical inspection of the green coffee for defects, moisture, and size uniformity. A lot must pass both to earn Fine Robusta status — a high cupping score alone isn't enough if the green coffee has excessive defects.
The sensory side is performed by certified Q Robusta Graders (also called R-Graders), who evaluate attributes adapted specifically for Robusta's chemistry, including its distinctive salt/acid and bitter/sweet balance rather than the acidity-driven profile used for Arabica. The physical side follows strict sampling rules: a standardized 350-gram green sample, a separate 100-gram roasted sample for counting immature "quaker" beans, and moisture readings typically expected between 10–12% for wet-processed lots.
Coffee scoring 80 points or above, with defects and physical specifications within protocol limits, generally qualifies as Fine Robusta. Some references also use a mid-tier "Premium Robusta" classification for lots just below the Fine threshold.
Comparison Table
| Evaluation Type | What's Assessed |
|---|---|
| Sensory cupping | Aroma, flavor, salt/acid ratio, bitter/sweet ratio, aftertaste |
| Physical grading | Primary/secondary defects, moisture, bean size |
| Sample size | 350g green coffee; 100g roasted for quaker count |
| Passing threshold | Typically 80+ points, within defect limits |
Real Examples
A Robusta lot scoring 83 points in the cupping lab but carrying excessive secondary defects in its green sample would not qualify as Fine Robusta — both halves of the evaluation must pass together.
Faq
Does Fine Robusta grading only look at taste?
No — it combines sensory cupping with physical inspection of the green coffee.
Who performs the sensory evaluation?
Certified Q Robusta Graders, also known as R-Graders.
What's the minimum score for Fine Robusta?
Generally 80 points or above, alongside passing physical specifications.
Is Robusta scored the same way as Arabica?
No — the attributes and their weighting are adapted to Robusta's distinct sensory chemistry.
Can a high score alone qualify a lot as Fine Robusta?
No — it must also meet physical defect and moisture requirements.
Conclusion
Fine Robusta grading is a two-part system by design — sensory and physical — ensuring that the label reflects genuine, verifiable quality rather than taste alone.
Cta
Want to see a full Fine Robusta grading report? OCC provides both sensory and physical documentation for every Cambodian lot.
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Origin Coffee Cambodia
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