Property | Specification |
Appearance | Brown, whole bean or ground |
Shape | Oval (whole); granular (ground) |
Size | 8-15 mm (whole bean); varies (ground) |
Texture | Smooth (whole); gritty (ground) |
Odor | Aromatic, roasted |
Taste | Bitter, slightly acidic |
Density | 0.6 - 0.8 g/cm³ (ground) |
Moisture | 9-12% |
pH | 4.85 - 5.10 (slightly acidic) |
Solubility | Varies with brewing method |
Oil Content | 10-15% |