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Email ：PharmaSources@imsinoexpo.com
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Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Delivery Lead Time: 3-7days
Sample Provided: yes
Payment Terms: T/T
L-Ergothioneine Powder Wholesale
Main Specifications: Mushroom Extracted: 0.5%, 1%; Fermented: 99%
L-ergothioneine powder has two sources from. One is extracted from natural mushroom(Agaricus Blazei), the main specifications are 0.5% and 0.1%, both of them are brown powder. The other one is source from fermented, the purity is 99%, the appearance shows white crystalline powder.
L-ergothioneine has a solid powder appearance. It is generally soluble in water and insoluble in organic solvents.
L-ergothioneine powder is a natural antioxidant, which can protect cells in human body and is an important active substance in the body. Study shows that cells lacking ETT are more susceptible to oxidative stress, resulting in increased mitochondrial DNA damage, protein oxidation and lipid peroxidation.
Picture of L-ergothioneine 99%
Certificate of Analysis
General Information
Product Name
L-(+)-Ergothioneine
CAS#
497-30-3
Item
Specification
Result
Method
Physical and Chemical Property
Appearance
White Crystals
Conforms
Visual
Residue on Ignition
≤2.0%
0.09%
USP<281>
Loss on Drying
≤0.5%
0.08%
USP<731>
Ethanol Residue
≤500ppm
Conform
GC
Purity
≥99%
99.22%
HPLC
Heavy Metals
Heavy Metals
≤10ppm
Conforms
ICP-MS
Pb
≤1ppm
Conforms
ICP-MS
As
≤1ppm
Conforms
ICP-MS
Cd
≤0.3ppm
Conforms
ICP-MS
Hg
≤0.1ppm
Conforms
ICP-MS
Microbiological Tests
Total Plate Count
≤1000cfu/g
Conforms
USP <2021>
Total Yeast & Mold
≤100cfu/g
Conforms
USP <2021>
E.Coli.
Negative
Conforms
USP <2022>
Salmonella
Negative
Conforms
USP <2022>
Staphylococcus
Negative
Conforms
USP <2022>
Product Status
Conclusion
Sample Qualified.
Shelf Life
24 months under the conditions below and in its original packaging.
Retest Date
Retest every 24 months under the conditions below and in its original packaging.
Storage
Store in a cool, dry place away from Moisture, Light.
Audited Supplier
Pharma Sources Insight July 2025
