- Appearance White crystals or crystalline powder
- Assay (%) ≥99.0
- CAS No.:70-18-8
- Water solubility: soluble in water, transparent
- Taste: sour, astringent, with a fresh taste similar to MSG
- 3 Factories & 6 production lines
- GMP standard workshop & two independent laboratories
- FDA Cert.
- Certifications: Halal,ISO9001,PAHS Free,NON-GMO,KOSHER,SC
- Delivery term: DHL, FEDEX, Air freight,Sea freight
- Provide Free Sample
- MOQ: 1KG
Glutathione Bulk Powder Supplier:
Glutathione (Glutathione Bulk Powder) of GSHWORLD occurs as a white crystalline powder. It is freely soluble in water, and practically insoluble in ethanol (99.5). Melting point is about 185C (with decomposition). We have independent factories and cooperative factories to promise its output. And we have own own professional team to test its quality or if you need that we can send to the third party testing center. Our high quality and competitive GSH powder, welcome to enquiry us.
Why Choose GSHWORLD?
- ● Two independent factories and three production line.
- ● Professional research team and have own labs
- ● Provide the third party testing.
- ● Have strong Collaborators: Northwestern University and Chinese Academy of Sciences research center
(2S)-2-Amino-4-[1-(carboxymethyl) carbamoyl-(2R)-2-sulfanylethylcarbamoyl] butanoic acid [70-18-8] Glutathione, when dried, contains not less than98.0% and not more than 101.0% of C10H17N3O6S.
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Test Items |
Specification |
Result |
|
|
Description |
A white crystalline powder |
A white crystalline powder |
|
|
Assay (bas on dry) |
98.0%~ 101.0% |
99.0% |
|
|
Identification |
IR |
Similar with the Reference Spectrum |
Complies |
|
Optical Rotation |
- 15.5°~- 17.5° |
- 16.7° |
|
|
Inorganic impurities |
Chlorides |
Not more than 200ppm |
Complies |
|
Arsenic |
Not more than 2ppm |
Complies |
|
|
Chlorides |
Not more than 200ppm |
Complies |
|
|
Sulphates |
Not more than 300ppm |
Complies |
|
|
Heavy Metals |
Not more than 10ppm |
Complies |
|
|
Iron |
Not more than 10ppm |
Complies |
|
|
Cadmium |
Not more than 1ppm |
Complies |
|
|
Lead |
Not more than 3ppm |
Complies |
|
|
Mercury |
Not more than 1ppm |
Complies |
|
|
Residue on Ignition |
Not more than 0. 1% |
0.06% |
|
|
Organic impurities |
Total |
Not more than 2.0% |
1.3% |
|
GSSG |
Not more than 1.5% |
0.4% |
|
|
Clearity and color of solution |
Clear and Colorless |
Clear and Colorless |
|
|
Residual solvents |
Meet the requirement |
Complies |
|
|
Loss on Drying |
Not more than 0.5% |
0.2% |
|
|
Microbiology |
Total plate count |
≤1000cfu/g |
Complies |
|
Yeast and mold count |
≤100cfu/g |
Complies |
|
|
Total coliforms |
≤100cfu/g |
Complies |
|
|
E. coli |
Absent/10g |
Complies |
|
|
S. aureus |
Absent/10g |
Complies |
|
|
Salmonella |
Absent/10g |
Complies |
|
|
Conclusion |
Complies with the standard of USP 41 |
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Flow Chart:
At present, there are four methods of glutathione bulk powder preparation: solvent extraction, enzymatic method, fermentation method and chemical synthesis method. GSHWORLD has two extraction methods, one is enzymatic method and the other is fermentation method.
The following focuses on extraction from yeast (brewer's/baker's yeast) cultured with high GSH content, with the following process flow:
Saccharomyces cerevisiae
↓
First Stage Fermentation
↓
Second Stage Fermentation
↓
Fermentation Liguid Separation
↓
L-Glutathione Enriched Yeast
↓
Extraction
↓
L-Glutathione Enriched Yeast Extract
↓
Purification
↓
L-Glutathione Reduced Solution
↓
Filter
↓
L-Glutathione Reduced Solution
↓
Crystallization Drying
↓
L-Glutathione Reduced
↓
Packing
↓
Glutathione Reduced Product
