Immune & Gut · Specialty
Black Fungus Extract
Auricularia auricula-judae · Fruiting body
Chinese name: 黑木耳提取物
Wood ear black fungus extract for food, gut, and daily wellness applications.
Reviewed October 2026 · Specification PDF ↓ · Method: UV-VIS →
≥25%
Polysaccharides
1 kg
Minimum order
1–7 days
Indicative lead time
1 kg foil pouch
Standard packing
Specification
What the certificate will report
| Polysaccharides | ≥25% (UV) |
|---|---|
| Source / part | Fruiting body |
| Extraction | Hot water |
| Particle size | 80 mesh, other sizes on request |
| Marker compounds | Polysaccharides, beta-glucan |
| Appearance | Dark brown to black powder |
| Solubility | Water-soluble; suitable for capsules, powders, and beverages |
| Standard packaging | 1 kg foil pouch · 25 kg fiber drum · 5 kg carton |
| Minimum order | 1 kg |
| Indicative lead time | 1–7 days |
The method behind the marker value matters as much as the number. Read how it works, what it proves, and where it stops.
Method guide →Specifications are confirmed in writing before quotation. Lead times start after specification and packaging approval, not after the first email.
Application
Where this grade fits
- Immune capsules
- Gut wellness blends
- Functional beverages
- Food applications
Available forms
Packing options
Application guides
Dietary Supplements · Functional Food & Beverage · Pet Supplements
What to confirm before ordering
- Food-grade status and colour vary by grade; confirm both.
- The powder is dark and can affect the final product colour.
Documentation
Released with every lot
- Batch-specific certificate of analysis against the agreed specification
- Technical data sheet with source, part, carrier, and storage
- Safety data sheet in the 16-section format
- Allergen and GMO statements signed for the batch
- Origin and traceability record linking herb lot and manufacturing lot
- Halal, Kosher, or organic certificates where the grade and facility are covered
Buyer questions
Practical answers
What is Black Fungus Extract standardized to, and how is it measured?
Polysaccharides: ≥25% (UV). The marker set is Polysaccharides, beta-glucan. The primary method is UV-VIS; the batch COA reports the result against the agreed specification. Other ratios, marker ranges, carriers, and mesh sizes can be quoted as a custom grade after a feasibility review.
Which source and plant part are used for Black Fungus Extract?
Auricularia auricula-judae; Fruiting body. The source and part are stated on the specification and the COA because they are release parameters, not marketing descriptions. If the label names a different part, confirm it before the first order.
Which applications does Black Fungus Extract fit?
Immune capsules, Gut wellness blends, Functional beverages, Food applications. The grade is selected against the finished format, dose, and destination market; a sample and application brief are more useful than a generic catalogue comparison.
Which documents are supplied with the batch?
A batch-specific COA, technical data sheet, SDS, allergen and GMO statements, and an origin record. Third-party heavy-metal, pesticide, or microbiological reports can be arranged, as can Halal, Kosher, or organic certificates where the grade is covered.
What is the minimum order, lead time, and sample size?
1 kg minimum, packed in a 1 kg foil pouch; bulk drums are available as quantities scale. 1–7 days after specification and order confirmation. Samples are typically 100–500 g with their own COA, usually within 3–5 business days after the specification is agreed.
Related specifications
Elsewhere in immune
Elderberry Extract
Sambucus nigra · Fruit
5% or 10% (UV)
Astragalus Extract
Astragalus membranaceus · Root
≥40% (UV)
Andrographis Extract
Andrographis paniculata · Aerial parts
10% (HPLC)
Related reading
The questions behind this specification
How to read a botanical extract COA without being fooled
A practical line-by-line guide to the certificate of analysis: what belongs on it, which numbers actually matter, and the shortcuts that should make you ask for more.
Read the note →10:1 is not a strength: extract ratios versus standardization
What an extract ratio actually tells you, why a 10:1 powder can be weaker than a 4:1 extract, and how to write a specification that means something.
Read the note →Next step
Send the spec. We will confirm what is possible.
A competitor COA, a label claim, or a rough target is enough to start. We reply with a matched grade, documentation list, and indicative price.