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Moisture & Density Analyzer

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High-End Burr Solution

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Water Activity Analyzer

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Bean Freshness Control

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Espresso Burrs

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Blog posts

Moisture Content：A Key Factor in Green Coffee Processing
LeBrew·

Moisture Content：A Key Factor in Green Coffee Processing

Abstract In the coffee supply chain, Moisture Content is one of the most fundamental yet crucial physical parameters. It not only determines whether green coffee beans can smoothly enter the next stage of processing, but also directly impacts flavor development and quality stability. From harvest to final export, every processing stage imposes strict requirements on moisture levels. This article will...

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Moisture Content vs Water Activity: Two Key Factors in Green Coffee Storage
LeBrew·

Moisture Content vs Water Activity: Two Key Factors in Green Coffee Storage

Abstract Proper storage of green coffee beans is essential to preserving their quality, flavor potential, and commercial value. Two critical yet fundamentally different parameters—moisture content and water activity (aw)—play a central role in this process. Understanding the difference between them, how they interact, and their impact on coffee storage is key to achieving safe, scientific, and flavor-preserving conditions.

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Why is the color value of coffee beans highest at Yellow Point?
LeBrew·

Why is the color value of coffee beans highest at Yellow Point?

Abstract In the coffee roasting process, the Yellow Point is an extremely important stage, typically occurring at 150–160 °C. At this moment, the color of the coffee beans changes from green to light yellow, the grassy notes noticeably diminish, and subtle cereal-like aromas begin to emerge. Traditionally, roasters relied mainly on visual observation of color changes and olfactory perception of...

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