Lab-verified oil,
traceable lot by lot.
Every master batch is tested by an accredited independent laboratory before any container ships. The Certificate of Analysis travels with the lot — printed, signed, and PDF.
Testing Partner: BlackSeedSource batch testing is performed by an accredited independent laboratory. Available documentation may include thymoquinone analysis, fatty acid composition, and batch-specific COA records upon qualified buyer request.
Wholesale buyers usually review quality for one practical reason: they need to know the batch they approve is the batch that will be packed and shipped. This page is meant to explain that workflow clearly, not bury it under lab language.
BlackSeedSource uses batch-linked documentation so procurement, QA, and import teams can review the same lot that is being prepared for bottles, drums, or private-label packing.
Process Review
The oil is cold-pressed in Turkey, allowed to settle, and then prepared according to the shipment format required for the order.
Batch Verification
Quality documents are tied to the shipment lot. A recent production lot tested at 1.93% TQ (GC-FID). Standard grade ~1% TQ, high grade ~1.5% TQ, select batches up to 3% TQ.
Import Readiness
COA, SDS, and route-specific papers help importers avoid delays at customs and warehouse intake. View our COA data →
Fatty Acid Composition (GC-MS / GC-FID)
Representative recent batch analysis from our production QC records. Full documentation available upon buyer request.
| Fatty Acid | Designation | Typical Range | Result (%) | Status |
|---|---|---|---|---|
| Palmitic Acid | C 16:0 | 10 – 20% | 18.0% | Conforms ✓ |
| Stearic Acid | C 18:0 | 2 – 4% | 2.7% | Conforms ✓ |
| Oleic Acid | C 18:1 | 20 – 30% | 23.8% | Conforms ✓ |
| Linoleic Acid | C 18:2 | 50 – 60% | 55.5% | Conforms ✓ |
Values shown are representative batch analysis data. Sample COA available upon request. Batch-specific COA documents are provided for qualified wholesale and private-label buyers before shipment or upon order confirmation.
COA details may vary by batch and may include thymoquinone profile, fatty acid profile, and other requested quality parameters where available.
Batch Documentation & TQ Testing
- ✓ Batch COA available
- ✓ COA includes TQ and fatty acid profile
- ✓ TQ tested by GC-FID
- ✓ Standard grade is typically around 1% TQ
- ✓ High grade is typically around 1.5% TQ
- ✓ Selected batches may be available up to 3% TQ
- ✓ Final specifications are confirmed by batch COA
Review batch COA and TQ testing details before you request a wholesale quote.
What You Receive
Core quality and shipping documents commonly requested before approval
Business Verification
Business identifiers provided for buyer verification and procurement review.
| Company | YEDİDÜNYA KAĞITCILIK LTD ŞTİ |
| Role | Exporter / Manufacturer |
| FDA Registered Facility | #14244282908 |
| D-U-N-S Number | 751148809 |
Need COA, SDS, or Batch Documentation Before Approval?
Share your market, order format, and approval needs to receive the right documentation path before you commit to shipment. Sample COA available upon request. Batch-specific COA documents are provided for qualified wholesale and private-label buyers before shipment or upon order confirmation.
COA details may vary by batch and may include thymoquinone profile, fatty acid profile, and other requested quality parameters where available.
Production Quality, Origin Control, and Batch Documentation
For wholesale buyers, quality control is less about marketing language and more about batch certainty. The buyer wants to know where the oil was produced, whether the lot was reviewed, and which file set can be issued against the shipment being approved.
That is why this page centers on batch-linked review rather than generic claims. Cold-pressed black seed oil can vary naturally from lot to lot, so documentation matters most when it stays tied to the actual order, destination, and packing format.
Quality & Documentation — Common Questions
- How do you test black seed oil quality?
- We use GC-FID testing at an accredited Turkish laboratory for Thymoquinone content and full fatty acid profile (Linoleic, Oleic, Palmitic, Stearic Acid) on every batch. Each shipment is tied to a lot-specific COA.
- What TQ content does your black seed oil contain?
- Standard grade typically runs around 1% TQ, high grade around 1.5% TQ, and selected batches may reach up to 3% TQ. Recent verified lots have tested above 1.9% TQ (w/w) by GC-FID. Final TQ is confirmed by batch-specific COA.
- Can I get a COA before ordering?
- Yes. Reference COA files including lot number, TQ value, fatty acid profile, and lab issuer can be shared before you commit to an order. Contact us with your format and destination requirements.
- What is included in the batch COA?
- The COA includes lot reference, Thymoquinone content (GC-FID), Linoleic Acid, Oleic Acid, Palmitic Acid, Stearic Acid percentages, and physical parameters for the specific batch.
Organic Certification (USDA / NOP)
| Certificate holder | YEDİDÜNYA KAĞITCILIK LTD ŞTİ |
| Certifier | ETKO (Ecological Farming Control Organization) |
| NOP Operation ID | 9962925001 |
| Scope | Handling — USDA organic regulations, 7 CFR Part 205 |
USDA/NOP certified organic production is available for qualified organic lots; organic status is verified per qualified lot and shipment documentation. See the full certifications page.
Third-Party Verified Testing
Every master batch is tested by an accredited independent laboratory ([TQ_LAB_NAME]) using GC-FID, following ISO/IEC 17025 methodology, with a Certificate of Analysis issued for every batch.
| Grade | Thymoquinone (GC-FID) |
|---|---|
| Standard | approx. 1% TQ (confirmed per batch COA) |
| High / Premium | up to 3% TQ (confirmed per batch COA) |
The exact thymoquinone percentage is confirmed on the current batch COA. See how to read a COA and TQ grades.