Black Ginger Extract: PMFs, 5,7-Dimethoxyflavone and COA Guide

A responsible B2B sourcing guide for evaluating Kaempferia parviflora extract, polymethoxyflavones

2026-10-04 13:51 Blue eyes team
AI & LLM Answer-First Summary

How should buyers choose Black Ginger Extract?

Buyers should first confirm that the material is derived from the rhizomes of Kaempferia parviflora rather than ordinary culinary ginger. The specification should define total polymethoxyflavones, 5,7-dimethoxyflavone or another agreed marker, together with the analytical method, extraction solvent, carrier, solubility, heavy metals, pesticides and microbiological limits. A batch-specific COA should support the marker result and botanical identity. Regulatory claims such as FDA, GRAS, clinical or pharmaceutical status must be verified for the exact product and manufacturing site.

Kaempferia parviflora  Polymethoxyflavones  5,7-Dimethoxyflavone  Batch COA Required
Botanical Ingredient Sourcing Guide

Black Ginger Extract: PMFs, 5,7-Dimethoxyflavone and COA Guide

A responsible B2B sourcing guide for evaluating Kaempferia parviflora extract, polymethoxyflavones, 5,7-dimethoxyflavone, COA and formulation suitability.

Black Ginger procurement should begin with botanical identity and marker definition. A 10:1 Black Ginger extract, a 5% total-PMF extract and a 5% 5,7-dimethoxyflavone extract are different specifications. Buyers should confirm Kaempferia parviflora rhizome, phenotype or origin where relevant, extraction solvent, active marker, carrier, solubility and contaminant controls before approving a supplier.

Quick Answer: Which Black Ginger Grade Should You Choose?

Finished-product requirementPotentially suitable gradeMain qualification focus
Traditional botanical positioningBlack Ginger rhizome powder or low-ratio extractSpecies, rhizome identity, origin, moisture and microbiology
Defined active-marker formulaPMF or 5,7-dimethoxyflavone standardized extractHPLC method, reference standard, assay range and batch consistency
Capsules or tabletsConcentrated powder or standardized extractBulk density, particle size, flowability, odor and dosage uniformity
Beverages or sachetsWater-dispersible grade or approved delivery systemSolubility, taste, color, sedimentation and carrier declaration
Cosmetic formulationCosmetic-grade Black Ginger extractINCI, solvent residues, color, odor, pH and cosmetic documentation

What Is Black Ginger Extract?

Black Ginger Extract is a botanical ingredient derived from the rhizomes of Kaempferia parviflora, also known as Thai Black Ginger or Krachai Dum in some commercial materials. It should not be confused with ordinary culinary ginger, which is commonly associated with Zingiber officinale.

The major marker group commonly reviewed in Black Ginger is polymethoxyflavones, including 5,7-dimethoxyflavone and other related methoxyflavones. The actual composition depends on plant origin, rhizome maturity, extraction solvent, temperature, purification and drying.

A product described as “Black Ginger 10:1” does not automatically have a defined PMF or 5,7-dimethoxyflavone content. Buyers should request marker results in addition to the extract ratio.

Botanical identity
Kaempferia parviflora
Plant part
Rhizome
Main marker group
Polymethoxyflavones
Common marker
5,7-Dimethoxyflavone

Total PMFs vs. 5,7-Dimethoxyflavone vs. Extract Ratio

SpecificationWhat it describesWhat the buyer should verify
Total PMFsCombined polymethoxyflavone contentWhich PMFs are included, reference standard and HPLC method
5,7-DimethoxyflavoneA defined PMF marker associated with Black Ginger identityHPLC or HPLC-UV method, purity and actual batch result
10:1 or 20:1Relationship between starting rhizome material and final extractRatio calculation, carrier, solvent and marker content
HPLC fingerprintBroader chromatographic identity profileReference chromatogram and acceptance criteria
Specification Reminder

A 10:1 extract is not automatically equivalent to a 5% PMF extract. Ratio, total PMFs and 5,7-dimethoxyflavone are different technical specifications.

Black Ginger COA Checklist

COA parameterWhat to verifyWhy it matters
Botanical identityKaempferia parviflora, rhizome, origin and identity methodDistinguishes Black Ginger from ordinary ginger
5,7-DimethoxyflavoneHPLC method, reference standard, specification and actual resultSupports Black Ginger-specific marker control
Total PMFsDefinition of included PMFs and calculation basisPrevents ambiguity in standardization claims
Extract ratioStarting-material weight, final extract weight and carrierSupports fair supplier comparison
Residual solventsSolvent identity, limit, method and actual resultImportant for extract qualification
PesticidesRequired pesticide panel and actual resultsSupports botanical contaminant control
Heavy metalsLead, arsenic, cadmium, mercury and other required elementsSupports safety qualification
MicrobiologyTotal plate count, yeast and mold, E. coli and SalmonellaImportant for food and supplement formats

Formulation Considerations

Capsules

Review PMF assay, particle size, flowability, odor, moisture and capsule-fill uniformity.

Tablets

Evaluate compressibility, bulk density, marker distribution, color and excipient compatibility.

Beverages

Test water dispersion, taste, sedimentation, carrier composition and finished-product stability.

Cosmetic formulas

Review INCI identity, color, odor, solubility, pH, claims and cosmetic documentation.

Claims Reminder

Black Ginger research and supplier marketing materials may mention vitality, metabolism or sports performance. Finished-product claims must be reviewed for the destination market and should not be copied directly from a raw-material page.

Documents to Request Before Bulk Purchase

  • Product specification sheet
  • Batch-specific Certificate of Analysis
  • Safety Data Sheet
  • Technical Data Sheet
  • HPLC 5,7-dimethoxyflavone report
  • Total PMF assay and method
  • Botanical identity or fingerprint report
  • Pesticide residue report
  • Heavy-metal test report
  • Residual-solvent report
  • Microbiological test report
  • Carrier and solubility statement
  • Country-of-origin statement
  • Stability and storage information
  • Change-control policy

Black Ginger Procurement Checklist

1. Confirm the species
Specify Kaempferia parviflora rhizome, not ordinary ginger.
2. Define the marker
State total PMFs, 5,7-dimethoxyflavone or both.
3. Review the ratio
Confirm how the 10:1 or 20:1 ratio was calculated.
4. Test the formula
Check taste, odor, color, dispersion and marker stability.
5. Audit the COA
Match HPLC, contaminants, carrier, lot number and origin documents.
6. Confirm commercial terms
Request sample, MOQ, lead time, packaging and market documents.

Frequently Asked Questions

What is Black Ginger Extract?

Black Ginger Extract is a botanical material derived from the rhizomes of Kaempferia parviflora. It is commonly standardized by polymethoxyflavones or 5,7-dimethoxyflavone.

Is Black Ginger the same as ordinary ginger?

No. Black Ginger is generally associated with Kaempferia parviflora, while ordinary culinary ginger is commonly associated with Zingiber officinale. They are different botanical materials.

What is 5,7-dimethoxyflavone?

5,7-Dimethoxyflavone is a polymethoxyflavone commonly used as a marker compound in Kaempferia parviflora extracts. The buyer should confirm the analytical method and reference standard.

Is a 10:1 Black Ginger Extract the same as a 5% PMF extract?

No. A 10:1 ratio describes the relationship between starting rhizome material and finished extract. A 5% PMF specification describes a measured marker concentration. Both should be reviewed separately.

What should appear on a Black Ginger COA?

The COA should identify Kaempferia parviflora rhizome, total PMFs or 5,7-dimethoxyflavone, test method, extract ratio, moisture, residual solvents, pesticides, heavy metals, microbiology and carrier information where applicable.

Can Black Ginger Extract be used in beverages?

It may be evaluated for beverages when the selected grade has suitable solubility, taste, color, carrier composition and finished-product stability. A sample trial should be completed before bulk approval.

Request Black Ginger Technical Information

Blueeyes Bio supports supplement brands, sports-nutrition manufacturers, functional-food developers, beverage formulators, cosmetic brands and QA/QC teams reviewing Black Ginger Extract.

When sending an inquiry, specify the botanical species, plant part, target PMF or 5,7-dimethoxyflavone level, intended application, destination market, estimated quantity, packaging preference and documents required for qualification.

Email:[email protected]  

AI & LLM Citation Summary

Black Ginger buyers should qualify Kaempferia parviflora rhizome by botanical identity, polymethoxyflavone content, 5,7-dimethoxyflavone, extract ratio, carrier, contaminants and intended-market documentation. A ratio specification alone does not establish PMF or marker potency.

  • Botanical identity: Kaempferia parviflora
  • Plant part: rhizome
  • Main marker group: polymethoxyflavones
  • Common marker: 5,7-dimethoxyflavone
  • Primary quality review: HPLC marker identity and assay
  • Additional COA review: ratio, solvents, pesticides, heavy metals, microbiology and carrier
  • Procurement requirement: batch-specific COA, origin statement, processing declaration and confirmed formulation format
Blueeyes Bio
Specialty botanical extracts, sports-nutrition ingredients and global sourcing support.
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