Property |
Specification |
Appearance |
Ground or whole beans (light to dark roasted) |
Color |
Brown, ranging from light to dark (depending on roast) |
Shape |
Oval (whole beans), powdery (ground) |
Texture |
Smooth (whole beans), slightly gritty (ground) |
Odor |
Strong, aromatic, characteristic of roasted beans |
Taste |
Bitter, rich, and acidic (varies depending on roast and origin) |
Moisture Content |
4% - 6% |
Density |
0.3 - 0.7 g/cm³ |
Solubility |
Partially soluble in hot water (depending on grind size) |
Ash Content |
3% - 5% |
Caffeine Content |
95 - 200 mg per cup (depending on type and brewing method) |
pH |
4.5 - 6.0 (slightly acidic) |
Storage Conditions |
Store in a cool, dry place, airtight container to preserve freshness |