North Star Group, Inc.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
1
CONFIDENTIAL
Cocoa Quality Testing Technology: Multi-Test
Validation System
Prepared for: Kumbi Cocoa LLC CEO
Prepared by: Michael Hoffman, North Star Group
Date: May 26, 2025
Executive Summary
Current cocoa quality assessment methods sample 0.03% of beans through manual cut tests. A
stationary testing device utilizing vacuum arm sampling, hyperspectral analysis, and 10-test
validation protocols may provide more comprehensive quality data for the global cocoa market.
This technology could enable improved quality documentation, more accurate pricing, and
enhanced supply chain transparency for farmers, processors, and buyers.
Background and Problem Statement
Nexus
2
Quality Assessment Limitations:
Inadequate sampling: Manual cut tests sample only 0.03% of cocoa beans, missing
quality variations
Pricing disputes: Lack of objective data leads to 10-20% price misalignment
Premium access barriers: Farmers cannot prove quality for Fairtrade premiums
($400/tonne) or specialty pricing ($2.57-$7.61/kg vs. $1.71/kg standard)
Fairtrade and specialty chocolate markets require documented quality standards that current
manual testing cannot adequately provide. Fairtrade certification commands premium pricing of
$400 per tonne above standard rates, while specialty single-origin cocoa can achieve
$2.57-$7.61 per kilogram compared to standard pricing of $1.71 per kilogram. However, farmers
currently lack the quality documentation systems necessary to prove their beans meet these
premium standards. Manual cut tests sample only 0.03% of beans and provide subjective
assessments that premium buyers often question. This documentation gap prevents qualified
farmers from accessing higher-value markets, limiting their income potential despite producing
beans that may meet premium quality criteria.
Transparency gaps: Buyers question ethical sourcing claims without verifiable data
Financial Impact:
Quality disputes and pricing penalties due to lack of transparent data
Missed premium opportunities from insufficient quality documentation
Processing inefficiencies from inconsistent raw material quality
Reputation risk from inability to verify ethical sourcing claims
Research Findings: Current State of Cocoa Quality Testing
Key Research Discovery: Current cocoa quality assessment technology is severely limited,
relying primarily on:
1. Manual cut tests: Labor-intensive, slow, and sample only 0.03% of beans
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
3
2. Visual inspection: Subjective and inconsistent between assessors
3. Basic moisture testing: Limited scope, no comprehensive quality profiling
4. Paper-based certification: Prone to loss, fraud, and lacks real-time verification
Market Gap Opportunity: The absence of automated, comprehensive cocoa quality testing
represents a significant first-mover advantage for technology that can provide objective,
verifiable quality data.
Multi-Test Validation Protocol
The proposed system would conduct 10 independent hyperspectral scans per sample to
generate statistical data sets. This approach would:
Provide statistical analysis of quality metrics with calculated confidence intervals
Generate multiple data points for moisture content, Free Fatty Acid levels, and defect
identification
Complete testing cycle in approximately 2 minutes per sample
Produce quality classification based on statistical averages rather than single
assessments
Create data reliability metrics through variance analysis across the 10 tests
Technology Development Partnership
Implementation would require partnership with specialized robotics manufacturers rather than
internal development. We would identify and guide a qualified robotics manufacturer through the
specific requirements for cocoa quality testing applications. This partnership approach would
involve defining technical specifications, overseeing prototype development, and ensuring the
final system meets cocoa industry standards. The selected manufacturer would handle
mechanical engineering, sensor integration, and software development while we provide cocoa
industry expertise, quality requirements, and market knowledge. This collaborative model
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
4
reduces development risk and leverages existing robotics capabilities while ensuring the system
addresses actual market needs.
Core Technology Components
Robotic vacuum arm extracts 100-200g samples from bulk cocoa or packaged jute sacks
Tests every 1,000kg for high-value batches (15-20 samples per 15-tonne container)
Non-destructive sampling maintains product integrity
Delivers samples to sealed analysis chamber preventing contamination
Hyperspectral Analysis with Multi-Test Protocol:
10-test verification: Each sample undergoes 10 separate hyperspectral scans
Statistical analysis: Multiple tests generate confidence intervals for quality metrics
Processing time: Approximately 2 minutes per complete 10-test cycle
Defect identification: Measures moisture content, Free Fatty Acid levels, mold, and
foreign matter
Quality classification: Grading based on statistical averages from multiple tests
Data consistency: Variance analysis across 10 tests identifies measurement reliability
The initial 10-test protocol addresses current technology limitations and provides statistical
confidence in results. As hyperspectral analysis algorithms improve through machine learning
and larger datasets, fewer tests per sample may achieve equivalent accuracy. Advanced pattern
recognition could potentially reduce testing to 3-5 scans while maintaining statistical validity.
This technological progression would decrease processing time and increase throughput as the
system learns to identify quality patterns more efficiently.
Visual Documentation Requirement: In addition to hyperspectral data, the system must capture
high-resolution photographs of each sample for human verification. These images serve multiple
purposes: providing visual confirmation of hyperspectral analysis, enabling human quality experts
to validate automated assessments, and creating visual documentation for buyers who require
photographic evidence of bean quality. The combination of spectral data and photographic
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
5
evidence provides comprehensive quality documentation that addresses both automated
analysis and human verification needs.
Blockchain Integration: Blockchain Explained: Blockchain technology creates an unchangeable
digital record of cocoa quality data that all parties can trust. Think of it as a tamper-proof digital
ledger where each quality test, farmer ID, GPS location, and batch number gets permanently
recorded with a timestamp. For cocoa, this means buyers can verify the exact farm origin, ethical
sourcing practices, and quality test results without relying on paper certificates that can be lost or
falsified. When Kumbi uploads quality data to the blockchain, buyers like Mars or Ferrero Rocher
can instantly verify the shipment's authenticity and quality history, supporting premium pricing
and meeting their ethical sourcing requirements.
Premium Pricing Scenario - Chain of Custody Example: *Consider farmer Joseph in Ghana who
grows high-quality cocoa on his 5-hectare certified organic farm. Currently, he sells to local
traders who cannot verify his organic certification or quality standards, so he receives standard
pricing of $1.71/kg. With blockchain integration:
1. Farm Data Entry: Joseph's farm GPS coordinates, organic certification, and harvest date
are recorded on the blockchain
2. Quality Testing: His 2-tonne batch undergoes 10-test verification showing 7.2% moisture
content, 0.8% defects, confirming Grade I quality
3. Visual Documentation: High-resolution photos of his beans are uploaded alongside test
data
4. Chain of Custody: Each step from farm to warehouse is blockchain-recorded with
timestamps and handlers
5. Buyer Verification: Mars Chocolate can instantly verify Joseph's organic certification, see
his quality test results, view photos of his actual beans, and trace the complete chain of
custody
6. Premium Access: With verified organic certification and Grade I quality documentation,
Joseph qualifies for specialty pricing of $4.15/kg instead of $1.71/kg - a 143% increase
The blockchain provides Mars with certainty that they are receiving verified organic, Grade I
cocoa from a traceable source, justifying their premium pricing. Without blockchain verification,
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
6
Mars cannot confirm the quality claims and pays standard rates. This creates a direct financial
incentive for quality production and proper documentation.*
Visual Data Outputs:
Statistical analysis displays: 10-test averages with calculated confidence intervals
Quality variance reports: Analysis of consistency across multiple tests
Data transparency: Complete test results available for review
Measurement reliability: Statistical metrics indicating data consistency
Implementation Benefits
For Farmers:
Quality documentation: Multi-test data may support pricing negotiations
Data transparency: Statistical analysis provides objective quality metrics
Market access: Comprehensive testing may meet certification requirements
Pricing support: Quality data could justify premium pricing requests
For Factories (Including Kumbi's $263M Facility):
Quality assessment: Multi-test validation provides comprehensive raw material analysis
Risk management: Statistical data may reduce uncertainty in procurement decisions
Process consistency: Detailed quality metrics support production planning
Documentation: Comprehensive testing records support quality control processes
For Buyers:
Quality verification: Statistical testing provides detailed quality analysis
Supply chain data: Blockchain integration offers traceability information
Documentation: Comprehensive test results support product specifications
Risk assessment: Multiple data points inform purchasing decisions
Investment Requirements
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
7
Component
Cost
Expected Benefits
Device development &
prototype
$50,000-$200,000
Comprehensive quality testing
capability
Hyperspectral analysis
system
Included in device
cost
Real-time quality assessment
Blockchain integration
$15,000 setup
Tamper-proof quality verification
Training and deployment
$25,000
Operational expertise across facilities
Total initial investment
$90,000-$240,000
Market leadership in quality
verification
Market Impact and Scalability
Market Analysis:
Global cocoa market: Estimated at $20 billion annually with 5 million tonnes traded
Current testing limitations: Manual methods sample 0.03% of product
Technology gap: Limited automated quality assessment available in the market
Potential applications: Technology may extend to other agricultural commodities
Scalability Potential:
Agricultural expansion: Technology applicable to coffee, nuts, grains
Deployment flexibility: Warehouse, cooperative, or factory installation
Service model: Subscription-based data access and analysis
Implementation Timeline
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
8
Phase 1: Development (6 months)
Prototype development with vacuum arm and hyperspectral analysis
Blockchain integration and dashboard development
Initial testing at pilot cooperative in West Africa
Phase 2: Pilot Testing (3 months)
Test device with 15-tonne cocoa batches
Validate quality assessments against manual methods
Refine AI models for optimal accuracy
Phase 3: Deployment (6 months)
Install devices at key locations (cooperatives, Kumbi factory)
Train operators on system use and maintenance
Begin commercial quality verification services
Phase 4: Scale (12 months)
Expand to additional locations and crops
Develop partnerships with major buyers
Establish subscription-based service model
30-Day Milestones
1. Complete market research and technology vendor partnerships
2. Secure development funding and begin prototype construction
3. Identify pilot location and establish testing partnership
4. Begin blockchain platform setup and dashboard development
90-Day Target
1. Complete prototype development and initial testing
2. Demonstrate quality assessment accuracy vs. manual methods
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
9
3. Secure pilot customer for commercial testing
4. Establish premium pricing through verified quality data
Conclusion
The proposed stationary quality testing device represents a technology approach to address
current limitations in cocoa quality assessment. The multi-test validation protocol could provide
more comprehensive quality data compared to existing manual methods.
Implementation would require significant development investment and market validation.
Success would depend on industry adoption, regulatory acceptance, and demonstrated accuracy
compared to existing methods.
Next Steps: Further research and prototype development would be required to validate technical
feasibility and market demand.
References
1. Sustainability by Numbers. "Chocolate Price Spike Analysis." Premium cocoa pricing
data.
2. Statista. "Global Cocoa Market Analysis 2024." Market size and trading volume data.
3. HySpex. "Cocoa Bean Quality Assessment Using Hyperspectral Imaging." Technology
capabilities and accuracy metrics.
4. World Cocoa Foundation. "From Bean to Bar: Quality Standards." Industry quality
assessment practices.
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com
Nexus
10
5. Farmforce. "Cocoa Supply Chain Software." Blockchain integration for agricultural
products.
6. AsstrA Transportation Specialists. "Transportation of Cocoa - Quality Requirements."
Current industry practices and limitations.
7. International Cocoa Organization (ICCO). "Quality Standards and Assessment Protocols."
Official industry standards.
8. Fair Trade Foundation. "Premium Pricing Structure for Certified Cocoa." Premium pricing
opportunities and requirements.
CONFIDENTIAL
Contact:
Michael Hoffman
North Star Group
michaelh@nsgia.com
701-770-9118
________________________________________________
© North Star Group, Inc. 2025 All rights reserved.
19901 Quail Circle
Fairhope AL 36532
701-770-9118
michaelh@nsgia.com