How to Identify Quakers in a Roasted Batch from a Bad Green Sample?

June 18, 2026

A roaster from Denver called me after cupping a new Yunnan lot we had sent him. He was puzzled. The…

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What Is the TDS of Coffee Cherry Juice and Why Does It Matter?

June 18, 2026

A specialty buyer from Japan was visiting our Yunnan plantation last year and asked a question I had never been…

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How Does the Maillard Reaction Differ in Low Density Beans?

June 18, 2026

A roaster in Portland called me after struggling with a batch of natural process Yunnan. He could not get the…

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What Is the Specific Heat Capacity of Green Coffee in a Drum Roaster?

June 18, 2026

A roaster in Melbourne once asked me a question that stopped me in my tracks. He wanted to know the…

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How to Calibrate a Probat Roaster for Dense Asian Washed Beans?

June 18, 2026

A roaster in Chicago called me after his first attempt at roasting a shipment of washed Yunnan from our plantation.…

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What Are the Volatile Organic Compounds Unique to Chinese Yunnan Coffee?

June 17, 2026

A buyer from a specialty roastery in Copenhagen asked me last year what makes our Yunnan coffee taste different from…

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How to Calculate the Shrinkage Percentage from Green to Roasted Coffee?

June 17, 2026

I had a buyer from Texas call me furious last year. He ordered 1,000 pounds of green coffee and expected…

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Why Is There So Much Chaff in My Natural Process Coffee Order?

June 17, 2026

A roaster in Boston emailed me with a photo of his cooling tray covered in chaff. It looked like a…

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What Is the Best Gas Flush Percentage for Wholesale Coffee Valve Bags?

June 17, 2026

A distributor in New York asked me what gas flush percentage we use for our wholesale coffee bags. He had…

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How to Test for Potato Taste Defect in Rwandan Coffee but in Asian Lots?

June 17, 2026

A buyer from a major European importer called me about a shipment of natural process Yunnan that had a strange…

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