Ergosterol
Ergosterol 98% is a sterol, a key component of fungal cell membranes, standardized by its main substance content.

Technical specification
- Specification
- 98%
- Form
- Powder
- Appearance
- White to off-white
- Test method
- HPLC
- Grade
- Food/Cosmetic Grade
- Shelf life
- 24 Months
- Availability
- In Stock
- Lead time
- 1-3 working days
- Payment terms
- T/T
- Annual capacity
- 1,500 tons
- Customization
- Available
- Certifications
- Organic, ISO, Kosher, Halal
Quality parameters (COA)
| Item | Result | Test Methods | Specification |
|---|---|---|---|
| Appearance | Conforms | Organoleptic | White powder |
| Odor & taste | Conforms | Organoleptic | Characteristic |
| Mesh size | Conforms | 80 mesh screen | Through 80 mesh |
| Assay | 98.23% | TLC | â¥98.0% |
| Loss on Drying | 3.85% | Drying Method | â¤5.00% |
| Ash | 3.29% | Ashing Method | â¤5.00% |
| Heavy metals | — | — | — |
| Total Heavy Metals | Conforms | — | â¤10ppm |
| Arsenic | Conforms | GF AAS | â¤1ppm |
| Lead | Conforms | AFS | â¤2ppm |
| Cadmium | Conforms | AFS | â¤1ppm |
| Hygrargyrum | Conforms | AFS | â¤0.1ppm |
| Residual Solvent | Conforms | SOP/SA/SOP/SUM/304 | Meet the requirements |
| Pesticide Residue | Not detected | SOP/SA/SOP/SUM/304 | Meet the requirements |
| Microbiological Tests | — | — | — |
| Total Plate Count | Conforms | Bacterial culture | â¤5000cfu/g |
| Total Yeast & Mold | Conforms | Bacterial culture | â¤100cfu/g |
| E.Coli | Conforms | Bacterial culture | Negative |
| Salmonella | Conforms | Bacterial culture | Negative |
| Staphylococcus | Conforms | Bacterial culture | Negative |
| Conclusion | — | — | The product meets the testing requirements by inspection. |
Description
Ergosterol is a sterol present in the cell membrane of fungi, playing a crucial role in maintaining cell membrane integrity, similar to mammalian cholesterol. This ingredient is a white to off-white powder with a purity of 98%, determined by HPLC. Ergosterol is soluble in ethanol, ether, benzene, and trichloromethane, but insoluble in water. For purchasers, it is important to consider its stability and storage conditions to preserve its activity. The product comes with Organic, ISO, Kosher, and Halal certifications, confirming its compliance with high quality and safety standards for various manufacturing needs. Shelf life is 24 months.
Applications
Used in the production of specialized ingredients for the food and cosmetic industries. Can be utilized as a precursor for vitamin D2 synthesis.
Documents
Documents are shared on request after company verification.