Kalonji (Nigella sativa), known internationally as Black Cumin, Black Caraway, or Nigella seed, has experienced rapid demand acceleration across North America, Europe, and GCC markets. Institutional buyers procure Indian kalonji primarily for high-potency cold-pressed black seed oil extraction and premium bakery applications.
1. Technical Grading Specifications
| Technical Metric | Standard Commercial | Sortex Clean (Extraction / Pharma Grade) |
|---|---|---|
| Physical Purity | 98.0% Min. | 99.5% to 99.8% Min. |
| Seed Color | Deep matte black, triangular curved | Jet black, uniform, zero discolored grey grains |
| Volatile Oil Content | 0.8% to 1.0% Min. | 1.2% to 1.8% Min. |
| Active Thymoquinone (TQ) | 0.5% to 0.8% | 1.0% to 1.5% (High Assay) |
| Moisture Limit | 9.0% Max. | 7.5% to 8.0% Max. |
| Acid Insoluble Ash | 1.0% Max. | 0.5% Max. |
2. Thymoquinone Potency for Oil Extractors
For nutraceutical capsules and cold-press oil millers, the commercial value of Nigella sativa depends entirely on the active Thymoquinone (TQ) concentration. Spice Nest sources newly harvested winter crop lots from Madhya Pradesh and Saurashtra belts, testing via High-Performance Liquid Chromatography (HPLC) to ensure maximum therapeutic yield.
3. Container Loading Capacity
- 20-foot FCL: 17.0 to 18.0 Metric Tons (packed in 25 kg paper bags or HDPE woven sacks).
- 40-foot FCL: 25.0 to 26.0 Metric Tons.
- Export Routing: Direct Mundra port stuffing with container desiccants to prevent sweat damage during tropical sea transit.
4. Commercial Desk & Sample Evaluation
Institutional Sample Policy
Pre-shipment verification samples with certified gas chromatography (GC-MS) fatty acid profiling and pesticide residue screening are dispatched via international courier.
Product Samples Available on Request — Contact Commercial Export Desk
