| Property | Specification |
| Appearance | Small, round to oval nuts with a hard, brownish shell |
| Size | Diameter: 2 to 5 cm |
| Weight | Average weight: 10 to 15 grams per nut |
| Texture | Hard outer shell with a fibrous inner flesh |
| Color | Brown to dark brown (outer shell); white to pale yellow (inner flesh) |
| Moisture Content | Typically 10% to 20% |
| Chemical Composition | Contains arecoline, tannins, and essential oils |
| Flavor | Bitter, astringent taste |
| Aroma | Distinctive, earthy aroma |
| Storage Conditions | Cool, dry place; ideally at temperatures below 20°C |