Roasted Coffee Beans
Roasted Coffee Beans
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Roasted Coffee Beans
Moisture Content | 1-5% |
Size | 8-12 mm in length (varies depending on roast level and variety) |
Shape | Oval or round, slightly wrinkled due to roasting |
Color | Brown to dark brown (depending on roast level) |
Density | 0.45 to 0.75 g/cm³ |
Weight | 150-170 grams per 100 beans (varies with roast degree) |
Crack (Roast Degree) | First crack: Light roast; Second crack: Dark roast |
Surface | Oily (dark roasts) or dry (light roasts) |
Defective Beans | Typically less than 3% of the total weight |
Broken Beans | Typically less than 5% of the total weight |
Foreign Matter | Less than 0.5% (stones, dust, etc.) |
Aroma | Distinct, with floral, fruity, or nutty notes, depending on the roast |
Caffeine Content | 1.0-2.5% of total bean weight (decreases slightly with roasting) |