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Science & Quality

390 articles

Science & Quality

The 100-Point Scale: How CQI Evaluates Robusta Quality

3. The 100-Point Scale: How CQI Evaluates Robusta Quality Introduction The 100-point scale is the backbone of Fine Robusta grading — here's how it's built and why it works the way it does. Why This Matters Understanding the mechanics of the scale helps...

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Science & Quality

From Green Bean to Score: Inside CQI Robusta Evaluation

20. From Green Bean to Score: Inside CQI Robusta Evaluation Introduction Follow a Robusta lot's journey from harvest to final Fine Robusta score, and you'll see exactly how much careful evaluation stands behind that number. Why This Matters Seeing the full...

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Science & Quality

Fine Robusta vs Commercial Robusta: How Historical CQI Grading Drew the Line

A historical explanation of how CQI/UCDA Robusta-specific grading distinguished higher-quality evaluated samples from commercial Robusta, and how buyers should interpret that distinction after the 2025 Q Grader transition.

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Science & Quality

Understanding the Coffee Quality Institute and Its Fine Robusta Revolution

Understanding the Coffee Quality Institute and Its Fine Robusta Revolution What Is the Coffee Quality Institute CQI ? The Coffee Quality Institute CQI is a nonprofit organization that has worked internationally since 1996 to improve the quality of coffee...

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Science & Quality

How the Historical Fine Robusta Protocol Separated Physical and Sensory Quality

The Complete Guide to Fine Robusta Standards: CQI Quality Protocols Explained What Are Fine Robusta Standards? Fine Robusta standards are a set of rigorous quality criteria developed by the Coffee Quality Institute CQI in partnership with the specialty...

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Science & Quality

What Does CQI Do for the Global Coffee Industry?

4. What Does CQI Do for the Global Coffee Industry? Introduction With Q Grader operations now under SCA, a common question in 2026 is: what does CQI actually do today? Why This Matters Buyers and brand owners referencing "CQI" in marketing or sourcing...

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Science & Quality

What Is the Coffee Quality Institute (CQI) and Why It Matters

1. What Is the Coffee Quality Institute CQI and Why It Matters Introduction The Coffee Quality Institute CQI is a nonprofit organization that has spent three decades working to raise coffee quality standards and improve the livelihoods of the farmers who...

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Science & Quality

Common Mistakes Producers Make in CQI Robusta Grading

18. Common Mistakes Producers Make in CQI Robusta Grading Introduction Producers aiming for Fine Robusta status sometimes fall short for avoidable reasons — here are the most common pitfalls. Why This Matters Understanding these mistakes helps producers...

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Science & Quality

Understanding the Coffee Quality Institute's Grading System

8. Understanding the Coffee Quality Institute's Grading System Introduction CQI's grading system is the technical backbone behind terms like "Q score" and "Fine Robusta" — here's how it actually works. Why This Matters Buyers negotiating on the basis of a...

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Science & Quality

Why the Coffee Quality Institute Was Founded

6. Why the Coffee Quality Institute Was Founded Introduction CQI wasn't created to hand out certificates — it was created to fix a specific, practical problem in how coffee was bought and sold. Why This Matters Understanding the "why" behind CQI explains...

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Science & Quality

What Score Does Robusta Need to Be "Fine" Under CQI?

11. What Score Does Robusta Need to Be "Fine" Under CQI? Introduction The number that separates Fine Robusta from everything else is one of the most practical facts a buyer can know — here's the answer, and the nuance behind it. Why This Matters Knowing...

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Science & Quality

Historical CQI Fine Robusta Grading Protocol: How to Read Legacy Records in 2026

How to interpret legacy CQI/UCDA Fine Robusta grading records in 2026, including the 2025 transition to SCA Q Grader and Coffee Value Assessment.

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Science & Quality

Coffee Quality Institute 101: What Every Buyer Should Know

15. Coffee Quality Institute 101: What Every Buyer Should Know Introduction For coffee buyers, here's the practical, need-to-know version of what CQI is and how its standards affect sourcing decisions in 2026. Why This Matters A quick, accurate...

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Science & Quality

The Role of Q Robusta Graders in Fine Robusta Certification

17. The Role of Q Robusta Graders in Fine Robusta Certification Introduction Every Fine Robusta score traces back to a certified professional applying a specific skill set — here's exactly what that role involves. Why This Matters Understanding the...

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Science & Quality

Fine Robusta Quality Evidence: What Should Be on a Lot Sheet?

A buyer-focused guide to the lot-level evidence behind Fine Robusta: lot identity, Cambodian origin and traceability, harvest and processing, physical preparation, sample context, cupping, packaging, commercial terms and export documentation.

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Science & Quality

Cambodia's Fine Robusta Journey – A Case Study in Quality Transformation

Cambodia's Fine Robusta Journey – A Case Study in Quality Transformation Cambodia's emerging Fine Robusta story became more concrete in 2025 when coffee from Mondulkiri associated with KOFI was publicly reported as having received an 80.5-point evaluation...

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Science & Quality

How Processing and Origin Expand Fine Robusta Flavor Beyond the Classic Cocoa Profile

Why Fine Robusta flavor varies across origin, processing, fermentation, drying, storage and roasting. Broad flavor-note intent belongs to the dedicated flavor owner.

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Science & Quality

Key Criteria CQI Uses to Score Fine Robusta Beans

6. Key Criteria CQI Uses to Score Fine Robusta Beans Introduction Fine Robusta scoring rests on a specific set of criteria — here's a closer look at what graders are actually evaluating. Why This Matters Knowing the specific criteria helps buyers and...

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Science & Quality

CQI Defect Analysis in Robusta: Green Coffee, Roasted Defects, and Quality Control

CQI Defect Analysis in Robusta: Green Coffee, Roasted Defects, and Quality Control Introduction: The Critical Role of Defect Analysis Defect analysis is a cornerstone of the CQI Fine Robusta certification system. Before a coffee can be considered for...

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Science & Quality

CQI Fine Robusta Certification Process: A Step-by-Step Guide to Q Robusta Approval

CQI Fine Robusta Certification Process: A Step-by-Step Guide to Q Robusta Approval Introduction: The Path to Fine Robusta Recognition The Coffee Quality Institute CQI established the Fine Robusta standards to address a long-standing gap in the coffee...

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Science & Quality

How CQI-Trained Graders Assess Robusta Cup Profiles

Historical CQI Robusta graders trained in sensory and physical assessment; calibration improves reproducibility but does not certify every cup. Includes the 2025 SCA transition.

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Science & Quality

Coffee Quality Institute vs Other Coffee Certification Bodies

10. Coffee Quality Institute vs Other Coffee Certification Bodies Introduction CQI is often mentioned alongside certifications like Rainforest Alliance, Fairtrade, or Organic — but it measures something fundamentally different. Why This Matters Confusing...

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Science & Quality

How CQI Shapes Global Coffee Trade Standards

9. How CQI Shapes Global Coffee Trade Standards Introduction Beyond cupping labs, CQI's standards quietly influence how coffee contracts, pricing, and quality disputes are handled around the world. Why This Matters For B2B buyers negotiating supply...

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Science & Quality

Fine Robusta Sensory Defects: How to Separate Spice-Like Character from Off-Notes

A buyer-focused guide to distinguishing legitimate spice-like, earthy, woody and fermentation character from sensory off-notes in Fine Robusta using descriptive, affective, physical and extrinsic evidence.

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