Food
Pie Chart of a Roasted Coffee Bean's Composition
Last reviewed on 2026-05-22.
Food — verifiable data, editable template
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A roasted coffee bean is mostly carbohydrates and water, with smaller amounts of fats, proteins, chlorogenic acids, and the famous caffeine (about 1–2%).
The data
- Carbohydrates — 40 %
- Lipids (fats) — 15 %
- Proteins — 13 %
- Acids — 8 %
- Minerals & ash — 4 %
- Caffeine — 1.5 %
- Water — 18.5 %
Source
Standard coffee science references.
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