Heeng
| Parameter | Specification |
| Appearance | Fine, yellowish-brown powder |
| Color | Yellowish-brown to off-white |
| Odor | Strong, pungent, and characteristic |
| Taste | Pungent, bitter |
| Moisture Content | Maximum 8% |
| Particle Size | 100% through 80 mesh sieve |
| Acid Insoluble Ash | Maximum 5% |
| Solubility in Water | Soluble |
| Volatile Oil Content | Minimum 30% |
| Total Ash Content | Maximum 10% |
| Foreign Matter | Nil (Maximum allowable 0.5%) |
| Storage Conditions | Store in a cool, dry, and dark place |