Active Pharmaceutical Ingredients
what is Golden Oyster Mushroom Extract Ergothioneine?
Golden oyster mushrooms grow in clusters or clumps and are golden yellow in color. The cap is trumpet-shaped, smooth, fleshy, with an inrolled margin. The flesh is white, extending down the stem, slightly dense, and of varying lengths. The stem is white to light yellow, off-center, and covered with fine hairs. The golden oyster mushroom is bright and beautiful, resembling a lovely flower, making it very appealing.
The golden oyster mushroom extract contains ergothioneine, a natural antioxidant that protects cells in the human body and is an important bioactive substance.
The golden oyster mushroom extract contains ergothioneine, a natural antioxidant that protects cells in the human body and is an important bioactive substance.
COA of 5% Polysaccharide Ergothioneine
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Items |
Standards |
Results |
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Physical Analysis |
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Description |
Light Yellow Powder |
Complies |
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Assay |
L-Ergothioneine ≥ 5.0% |
5.06% |
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Total Nucleotides ≥ 10mg/g |
11.25mg/g |
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Total Amino Acids ≥ 10.0% |
11.175% |
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Mannitol ≥ 5.0% |
5.16% |
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Mesh Size |
95 % pass 80 mesh |
Complies |
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Ash |
≤ 5.0% |
3.00% |
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Loss on Drying |
≤ 5.0% |
4.60% |
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Chemical |
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Pb |
≤ 2ppm |
Not detected |
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As |
≤ 2ppm |
Not detected |
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Cd |
≤ 2ppm |
Not detected |
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Hg |
≤ 2ppm |
Not detected |
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Microbiological Analysis |
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Total Plate Count |
≤ 1000cfu/g |
Complies |
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Yeast&Mold |
≤ 100cfu/g |
Complies |
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E.coil |
Negative |
Negative |
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Salmonella |
Negative |
Negative |
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Shelf Life |
24 months under the conditions below, no antioxidant used |
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Package&Storage |
Standard packed in fiber-drum and two plastic bags inside |
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N.W: 25kgs. I.D. 35 x H51 cm; |
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Store in a cool,dry place away from Moisture, Light, Oxygen |
What are the benefits of golden oyster mushrooms?
1. Nutritional Supplementation: Enhances immunity and provides comprehensive nutritional support.
2.Assists in relieving constipation: Dietary fiber promotes gastrointestinal motility and improves digestion and absorption.
3.Assists in protecting hearing: Iron prevents iron-deficiency anemia and protects hearing health.
4.Lowers blood pressure: Potassium promotes sodium excretion and maintains electrolyte balance.
5.Prevents cardiovascular and cerebrovascular diseases: Unsaturated fatty acids and amino acids lower blood cholesterol.
2.Assists in relieving constipation: Dietary fiber promotes gastrointestinal motility and improves digestion and absorption.
3.Assists in protecting hearing: Iron prevents iron-deficiency anemia and protects hearing health.
4.Lowers blood pressure: Potassium promotes sodium excretion and maintains electrolyte balance.
5.Prevents cardiovascular and cerebrovascular diseases: Unsaturated fatty acids and amino acids lower blood cholesterol.
Golden Oyster Mushroom Extract uses
1. Food Additive
Anti-photoaging: A randomized, double-blind trial showed that daily oral administration of 10 mg of Pleurotus erythematosus EGT for 8 weeks reduced UVB-induced erythema by 28% and epidermal water loss by 21%, effectively providing a built-in SPF "internal filter."
Brightening and Skin Tone: Golden Oyster Mushroom Extract Ergothioneine inhibits tyrosinase activity, downregulates MITF signaling, and reduces melanosome transport. It is particularly effective for the "dullness + dark spots" combination common in Asian women.
Collagen Protection: EGT blocks overexpression of MMP-1 and MMP-3, protecting types I and III collagen and delaying facial sagging.
2. Skin Topical Application
Transdermal Absorption: The OCTN1 transporter is expressed in both keratinocytes and fibroblasts. Citrine Pleurotus Extract EGT can be detected in the dermis 2 hours after topical application, with a cumulative penetration of 18.7 µg/cm² over 24 hours.
Instant soothing: 4 ppm of Pleurotus erythrorhizome EGT can inhibit the release of TNF-α and IL-6 inflammatory factors within 30 minutes, alleviating the redness and discomfort associated with "stay-up-night face" and "mask face."
Long-lasting wrinkle relief: After 28 days of using 0.1% EGT cream, participants experienced an average 12.4% reduction in crow's feet volume and a 9.8% increase in skin elasticity.
Anti-photoaging: A randomized, double-blind trial showed that daily oral administration of 10 mg of Pleurotus erythematosus EGT for 8 weeks reduced UVB-induced erythema by 28% and epidermal water loss by 21%, effectively providing a built-in SPF "internal filter."
Brightening and Skin Tone: Golden Oyster Mushroom Extract Ergothioneine inhibits tyrosinase activity, downregulates MITF signaling, and reduces melanosome transport. It is particularly effective for the "dullness + dark spots" combination common in Asian women.
Collagen Protection: EGT blocks overexpression of MMP-1 and MMP-3, protecting types I and III collagen and delaying facial sagging.
2. Skin Topical Application
Transdermal Absorption: The OCTN1 transporter is expressed in both keratinocytes and fibroblasts. Citrine Pleurotus Extract EGT can be detected in the dermis 2 hours after topical application, with a cumulative penetration of 18.7 µg/cm² over 24 hours.
Instant soothing: 4 ppm of Pleurotus erythrorhizome EGT can inhibit the release of TNF-α and IL-6 inflammatory factors within 30 minutes, alleviating the redness and discomfort associated with "stay-up-night face" and "mask face."
Long-lasting wrinkle relief: After 28 days of using 0.1% EGT cream, participants experienced an average 12.4% reduction in crow's feet volume and a 9.8% increase in skin elasticity.
Third-party testing report
Where to buy Golden Oyster Mushroom Extract Ergothioneine?
Sost Biotech is a manufacturer of Golden Oyster Mushroom Extract Ergothioneine.To facilitate your sales and production, we can customize mushroom extract formula products. You will need to provide detailed ratios or let our R&D team create a unique formula for you.
Our advantages
1. Free samples can be provided upon your request.
Our advantages
1. Free samples can be provided upon your request.
2. Production capacity: 20 tons/month.
3. The factory covers an area of 7,000 square meters and has 4 Ph.D. technical engineer.
4. Transportation method: express, air transport, sea transport
5. Quality control: 3rd party laboratory testing by Eurofins, SGS, BV etc.
6. 24 hours and 7 days full time standing-by services.
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Product Data Sheets
| Analysis | Description | Test Method |
| Appearance | Orange-Yellow Powder | Visual |
| Odor | Characteristic | Nasil |
| Identification | Conform with reference sample | HPLC |
| Mesh Size | 100% pass 80 mesh | CP2020 |
| Moisture Content | ≤ 1.0% | GB5009.3-2016 |
| Residue on Ignition | ≤ 0.5 % | CP2020 |
| Heavy Metals | ≤ 10 ppm | CP2020 |
| Arsenic (As) | ≤ 1.5 ppm | BS EN ISO17294-2 2016 2016 |
| Lead (Pb) | ≤ 2 ppm | BS EN ISO17294-2 2016 |
| Cadmium（Cd） | ≤1ppm | BS EN ISO17294-2 2016 |
| Mercury （Hg） | ≤1ppm | BS EN ISO17294-2 2016 |
| Methyl alcohol | 30ppm （Eurofins：LOQ ） | CP2020 |
| N,N-Dimethylformamide | 880ppm （Eurofins：LOQ ） | CP2020 |
| Total Plate Count | ≤10000 cfu/g | ISO 4833- 1:2013 |
| Yeast and Mold | ≤100 cfu/g | ISO 21527-2:2008 |
| Escherichia Coli | < 10cfu/g | ISO 16649-2:2001 |
| Salmonella/25g | Absent | ISO 6579-1:2017 |
| Effective constituent | Curcumin≥98% | HPLC |
Packing & Shipping
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