
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. | ||