ONION
| Specification | Onion |
| Shape | Round, oval, or flattened globe |
| Size | Small to large (varies by variety) |
| Skin Color | Red, yellow, white, or purple |
| Flesh Color | White or light purple |
| Texture | Firm and crisp |
| Taste | Pungent when raw; sweetens when cooked |
| Aroma | Strong and sharp (sulfur-containing) |
| Skin Thickness | Dry, papery outer layers |
| Bulb Layers | Multiple concentric layers |
| Moisture Content | Moderate |
| Maturity Duration | 90 to 150 days (depending on variety) |
| Keeping Quality | Good in dry and cool storage |