Qualifying a cranberry supplier is unlike qualifying a supplier of almost any other botanical, because the number on the certificate is not even nominally comparable between offers until you know the method behind it. The framework below is weighted accordingly: documentation rigour counts for more here than anywhere else in botanical procurement, and three specific red flags end the conversation before scoring begins.
Before You Score Anyone: Three Disqualifying Red Flags
These are not point deductions. They are reasons to stop.
- A PAC figure with no method. On most botanicals a method-less CoA is sloppy; on cranberry it is the mechanism of the industry's standard mislabelling route. A supplier whose certificate says "PACs: 25%" and nothing else is either unaware of the BL-DMAC/gravimetric divide — disqualifying — or relying on it.
- No answer on A-type verification. Ask directly: "How do you confirm the A-type linkage profile, and can you provide a MALDI-TOF or HPLC profile report?" Peanut-skin and grape-seed substitution is the documented fraud in this material. A supplier with no authenticity answer has no defence against it — and neither will you.
- A price below the raw-material floor. Cranberry fruit solids are a costly, harvest-limited North American input. An extract quoted dramatically under the cluster of serious offers is priced off something other than cranberry. On this botanical the discount usually is the adulterant.
The one-question filter: before any scoring, email the supplier: "Please quote PACs by BL-DMAC, procyanidin A2 standard, and state the method on the CoA." A serious cranberry supplier answers in a sentence. Evasion, a switch to gravimetric numbers, or "our method reads higher but it is equivalent" tells you everything at the cost of one email.
The Scoring Framework
Weighted to 100 points across five dimensions. Score each supplier independently, ideally before you see their price, so that commercial pressure does not colour the technical assessment.
1. Documentation and Analytical Rigour — 30 points
| Criterion | Points |
|---|---|
| Batch-specific CoA with methods named per parameter | 7 |
| PACs by BL-DMAC, procyanidin A2 standard, stated on dry basis | 8 |
| A-type linkage profile confirmed (HPLC), MALDI-TOF available | 6 |
| Anthocyanin profile (galactoside fingerprint) available on request | 4 |
| Identity against procyanidin A2 reference | 3 |
| Carriers, excipients and allergen status declared by name | 2 |
Note the allergen line. On cranberry, the allergen declaration is an authenticity control — the documented adulterant is peanut-derived — and a supplier who treats it as boilerplate has not understood their own risk profile.
2. Testing and Compliance Readiness — 25 points
| Criterion | Points |
|---|---|
| Heavy metals by ICP-MS with numeric per-element limits (not "complies") | 6 |
| Full USP microbiological panel including pathogens | 5 |
| EU pesticide MRL screening available with a real report | 5 |
| Non-ETO declaration, with LC-MS/MS testing available | 4 |
| Testing at a NABL-accredited (or ISO 17025 equivalent) laboratory | 5 |
For EU-bound supply, screening must be against EU MRLs specifically — fruit-derived materials carry their own residue profile from bog cultivation, and origin-market compliance is not the same standard. Our guide to EU pesticide MRL compliance for herbal extracts covers the mechanics.
3. Traceability and Sourcing — 15 points
| Criterion | Points |
|---|---|
| Correct-species (V. macrocarpon), fruit-only declaration per batch | 5 |
| Raw-material origin stated openly (fruit-solid source region and form) | 5 |
| Batch traceable back to raw-material lot | 3 |
| Organic certification chain intact where organic is claimed | 2 |
Cranberry raw material is North American by botany; the fruit solids travel to the processor. A supplier who states this chain plainly is being honest about how the entire global trade works. One who implies the berries grew beside the factory is telling you how they handle harder questions.
4. Consistency and Capability — 15 points
| Criterion | Points |
|---|---|
| Three consecutive batch CoAs provided showing assay consistency | 6 |
| Multiple grades available (5%, 10%, anthocyanin, ratio, organic) | 4 |
| Custom specification capability confirmed in writing | 3 |
| Retention samples held and available | 2 |
Three consecutive batches remain the most underused tool in botanical procurement. On cranberry, watch specifically whether the PAC figures vary plausibly — genuine fruit-derived material moves with harvest and lot; suspiciously identical numbers batch after batch are their own signal.
5. Commercial Terms and Responsiveness — 15 points
| Criterion | Points |
|---|---|
| Incoterms quoted properly (EXW/FOB/CIF/CIP) to your named destination | 4 |
| Written payment terms on a proforma invoice, not verbal | 3 |
| Realistic stated lead times, including documentation | 3 |
| Samples supplied with the same CoA standard as bulk | 3 |
| Technical questions answered by someone who understands the chemistry | 2 |
The test question for that last line writes itself on this material: ask why BL-DMAC and gravimetric figures differ. Anyone with genuine cranberry depth answers fluently, because it is the defining fact of their market.
Interpreting the Score
| Score | Reading |
|---|---|
| 85–100 | Qualified for bulk supply. Proceed to sample and pre-shipment verification. |
| 70–84 | Workable with conditions. Identify the gaps and require them closed in writing before first bulk order. |
| 55–69 | Suitable for trial quantities only, with independent testing on every lot. |
| Below 55 | Not a supplier for a regulated market. The documentation burden will fall on you. |
First-Order Protocol
Even with a high-scoring supplier, structure the first commercial order defensively:
- Nominate an independent laboratory — Eurofins, SGS or Intertek — for pre-shipment sampling, with the test list specifying PACs by BL-DMAC and an A-type profile check, at your cost.
- Compare the independent report line by line against the supplier CoA. Small variances are normal; a PAC gap that looks like a method gap is not.
- Retain your own sealed, dated sample of the shipped lot for the shelf life of the material.
- Re-verify independently at batch three and then annually, or on any change of fruit-solid source or manufacturing site.
SV Botanica supplies bulk cranberry extract from certified manufacturing facilities in India with batch-specific, method-named CoAs from NABL-accredited laboratories, and welcomes buyer-nominated third-party pre-shipment testing. The full parameter list is on the cranberry extract product page; the specification logic behind it is in the buyer's guide, and the failure modes it defends against are in adulteration and authenticity.
Source Standardised Cranberry Extract from India
PACs by BL-DMAC, A-type verified · anthocyanin, whole-fruit & organic grades · CoA-backed · samples for qualified buyers