Aromatic compounds

Filter paper properties and effects

Filter paper properties and effects

How filter paper properties—thickness, porosity, material, and treatments—affect flow, clarity, and flavor in brewed coffee.

Nitrogen flushing and MAP

Nitrogen flushing and MAP

How nitrogen flushing and Modified Atmosphere Packaging (MAP) are used to preserve roasted coffee freshness by controlling oxygen exposure.

Whole bean vs ground stability

Whole bean vs ground stability

Why whole beans stay fresher longer than ground coffee, and how particle size impacts oxidation, aroma loss, and shelf life.

Fat-washing and texture

Fat-washing and texture

How fat-washing works in coffee cocktails, why bartenders use it, and how it transforms both flavor and texture.

Sweetness perception and roast effects

Sweetness perception and roast effects

How sweetness in coffee is perceived, what compounds contribute to it, and how roast development influences sweetness expression.

Color changes and caramelization

Color changes and caramelization

This topic explores how coffee beans change color during roasting and the role of caramelization in flavor development.