Description
The standardized extract of Shiitake mushroom (Lentinula edodes), standardized to beta-glucan-cosmetic-grade-oat" class="underline" style="color: var(--sage-deep); text-decoration-color: var(--sage-deep);">beta-glucan content. Contains lentinan, the characteristic immunomodulatory polysaccharide of Shiitake, used in immune-support dietary supplements and as an adjuvant in oncology clinical applications in Japan.
Light brown to brown free-flowing powder with characteristic umami aroma. Highly water-soluble.
We supply food-grade Organic Shiitake Mushroom Extract from manufacturers in China holding ISO, Organic (USDA, EU), Halal, Kosher and other certifications relevant to the product and production.
Common market grades include Shiitake 10:1 Powder (standard ratio grade), Shiitake 30 percent Beta-Glucan (standardized supplement grade), Shiitake 40 percent Beta-Glucan (premium grade), Shiitake 50 percent Beta-Glucan (high-end grade), and Lentinan-Enriched Premium Grade (for oncology adjuvant positioning).
Bulk and reduced-MOQ shipments. Batch-level COA covering beta-glucan content (enzymatic assay), total polysaccharides, residual starch (a quality indicator distinguishing fruit-body extracts from mycelium-on-grain extracts), residual solvents, heavy metals, and microbiology.
Introduction
Shiitake has been cultivated and used as both food and medicine in East Asia for over 1,000 years. The mushroom has emerged as one of the most extensively-studied functional mushroom ingredients globally, with the polysaccharide lentinan approved as a prescription pharmaceutical adjuvant in cancer treatment in Japan since 1985.
Industrial production proceeds by hot-water extraction of dried Shiitake fruit bodies (the premium feedstock) or mycelium-on-grain biomass (the lower-cost feedstock), followed by ethanol precipitation of polysaccharides, optional ultrafiltration, and spray-drying to defined beta-glucan content. The distinction between fruit-body and mycelium-on-grain extracts is critical for premium positioning, with fruit-body extracts commanding substantial price premiums and lower residual starch content (a marker of mycelium-on-grain contamination).
Recognized as a permitted food ingredient by the U.S. FDA (GRAS), the European Food Safety Authority, and equivalent regulators worldwide.
Clinical evidence supports applications in immune support, cardiovascular markers, and as an adjuvant in cancer-treatment protocols (where intravenous lentinan is the approved Japanese protocol). The fruit body extracts have stronger clinical evidence than mycelium-on-grain extracts.
Strategic positioning targets the premium functional mushroom dietary supplement segment globally, with established pharmaceutical applications in Japan and growing functional food applications.
Where it is used
- Immune-support dietary supplements: the dominant commercial application globally
- Functional mushroom blend supplements (combination with Reishi, Maitake, Lion's Mane)
- Cancer-support and adjuvant-therapy applications in Asian clinical markets
- Cardiovascular-support and cholesterol-management formulations
- Functional beverages: mushroom coffees, mushroom-blend wellness drinks
- Premium pet supplements: immune-support formulations for senior animals
- Sports nutrition: recovery and immune-support positioning
- Traditional Chinese Medicine and Japanese kanpo medicine product formulations
Technical data
| Item | Specification |
|---|---|
| Appearance | Light brown to brown free-flowing powder |
| Beta-glucan content (enzymatic assay) | 30% / 40% / 50% (grade dependent) |
| Total polysaccharides | ≥ 50% |
| Residual starch (fruit body grades) | ≤ 5.0% |
| Loss on drying | ≤ 6.0% |
| Heavy metals (as Pb) | ≤ 2 mg/kg |
| Total plate count | ≤ 10000 cfu/g |
| Source | Lentinula edodes fruit body (premium grades) |
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