Basic Information of Ergosterol
- Product Name: Ergosterol
- Synonyms: Ergosterol, Provitamin D₂,Ergosta-5,7,22-trien-3β-ol
- CAS No.: 57-87-4
- Molecular Formula: C₂₈H₄₄O
- Molecular Weight: 396.65 g/mol
- EINECS No.: 200-352-7
What is Ergosterol?
Ergosterol definition:Ergosterol (CAS : 57-87-4) is a steroidal compound produced by fungi.So the most commonly used production method in industry is microbial fermentation.It is also widely present in various edible fungi (such as king oyster mushrooms, button mushrooms, etc.) and can be obtained through natural extraction.
Ergosterol possesses a variety of biological activities, including anti-inflammatory and antioxidant effects.Ergosterol possesses another particularly prominent industrial value: it serves as a key precursor material for Vitamin D₂ (ergocalciferol) and various steroidal drugs (such as cortisone, progesterone, etc.).
Why choose Highassay for Ergosterol ?
Highassay is a supplier of Ergosterol raw materials located in China.We offer ergosterol powder in various purity levels to meet the rigorous standards of diverse sectors, including pharmaceuticals, cosmetics, food, and feed intermediates.
Stable Supply Capacity
- We possess large-scale production lines capable of high-volume, continuous manufacturing, ensuring a stable and reliable long-term supply.
- A flexible order delivery system supports both small-batch sampling and large-scale customization requirements.
Rigorous Quality System
- We produce under GMP and back every batch with a complete COA.
- Advanced testing equipment and a professional quality inspection team ensure that ergosterol meets international
Ergosterol Grades
Highassay provides many kinds of Ergosterol Powder,you may select the product tier best suited to your industry. If you have any questions during the selection process, please refer to the table below or contact us.
- Microbial Fermentation Ergosterol:It belongs to industrial grade, with a purity of ≥99%, and is relatively low in price.
- Naturally Extracted Ergosterol:Derived from edible fungi, with a purity of ≥98%, it is primarily used in high-end cosmetics and health supplements.
- Pharmaceutical-Grade Ergosterol:Compliant with EP/USPpharmacopoeia standards, with a purity of ≥5%; requires additional purification and certification, resulting in a higher price.
Ergosterol Packaging
We provide ergosterol powder for sale in small (≤1kg), medium (≤5kg), and large (25kg/drum) packaging, suitable for R&D to commercial scale.
- Small Packaging: ≤ 1 kg. We utilize vacuum-sealed aluminum foil bags or fluorinated bottles, enclosed within a thickened corrugated cardboard carton.
- Medium Packaging:≤ 5 kg. We utilize vacuum-sealed aluminum foil bags, enclosed within a thickened kraft paper bag or a plastic pail.
- Large Packaging:25kg/ We employ an inner layer of food-grade/pharmaceutical-grade aluminum foil bags (vacuum-sealed or nitrogen-flushed for protection), enclosed within a protective cardboard drum.
- Custom Packaging: Inner bag and outer drum specifications can be adjusted to meet specific client requirements.
Ergosterol Applications & Uses
Pharmaceutical synthesis to functional health products, Ergosterol demonstrates its core value in the following fields:
The primary use of ergosterol is in vitamin D₂production.The converted Vitamin D₂is suitable for use in food additives, feed additives, Vitamin D supplements, and calcium tablet formulations.
Ergosterol is an important steroid raw material. It is used for the synthesis of hormonal drugs, such as corticosteroids and sex hormones.
As stated by TCI Chemicals，Ergosterol is an essential component of fungal cell membranes and a key target of antifungal drugs,characterized by its structural stability and high specificity. So it is used for antifungal drug screening, fungal detection and experimental controls, pharmacological mechanism studies, etc.
Ergosterol is a functional ingredient that acts as a conditioning agent.For example,Ergosterol oral supplements (powder or capsules), cosmetics containing ergosterol.It exerts an immunomodulatory effect when ingested orally or applied topically.
Technical Specifications of Ergosterol
- Specifications of Ergosterol
| Test Item | Industrial Grade | Natural Extract Grade | Pharmaceutical Grade |
| Purity (HPLC) | ≥ 99.0% | ≥ 98.0% | ≥ 99.5% |
| Appearance | White to off-white powder | White to pale yellow powder | White crystalline powder |
| Melting Point | 156–162 °C | 154–162 °C | 156–158 °C |
| Loss on Drying | ≤ 0.5% | ≤ 1.0% | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% | ≤ 0.2% | ≤ 0.1% |
| Heavy Metals | ≤ 10 ppm | Not mandatory | ≤ 10 ppm |
| Arsenic | ≤ 1 ppm | Not mandatory | ≤ 1 ppm |
| Pricing Tier | Lower | Higher | Highest |
| Ideal For | Vitamin D₂ or Mass Production | Natural Ingredient Cosmetics/Health Supplements | Exports to the West / Pharmaceutical Audits |
Ergosterol is a vital component of microbial (fungi) cell membranes.It plays a vital role in ensuring cell membrane integrity, the activity of membrane-bound enzymes, membrane fluidity, cell viability, and cellular transport.
Ergosterol serves as the most critical starting material for the industrial production of Vitamin D₂. Under the influence of sunlight or UVB radiation, the molecular structure of ergosterol undergoes a transformation, thereby converting into biologically active Vitamin D₂.
In other words, Vitamin D₂is the product resulting from the conversion of ergosterol through the action of light and heat.
Ergosterol is primarily derived from microorganisms such as fungi and yeasts, and can be converted into Vitamin D₂ upon exposure to light.
Cholesterol is derived from animal tissues and can be converted into Vitamin D₃.
Yes. Please contact us to request free samples for quality verification.
Our minimum order quantity (MOQ) is flexible and negotiable depending on the product grade and future purchase plans.
For specific MOQ figures and detailed pricing information, please contact our customer service team. We will respond to your inquiry within 24 hours.
We currently serve clients in 12 countries and regions worldwide and offer international shipping services. Please contact us directly for further details.
Physicochemical Properties of Ergosterol
- Appearance: Colorless needle-like or plate-like crystals, or white crystalline powder
- Melting Point: 156 – 162°C
- Boiling Point: 250°C (0.01 mmHg)
- Specific Optical Rotation: -100° to -125° (c=1, THF)
- Density: 1.04 g/cm³
- Solubility: Insoluble in water; freely soluble in benzene and chloroform; soluble in hot ethanol and diethyl ether
- Loss on Drying: ≤ 5%
- Residue on Ignition: ≤ 1%
- Stability: Sensitive to light, heat, and air; prone to oxidation
- Storage Conditions: Long-term storage (-20°C, under inert gas protection); Short-term storage (4°C)
- Retest Period: 24 months
Ergosterol Production Process
We produce Ergosterol powder primarily from the following two sources:
- Microbial Fermentation– This production method offers the advantages of high yield, low cost, and easily controllable purity (up to 99%+). It is our main manufacturing process for ergosterol powder, enabling large-scale production as well as the standards for high-purity, low-impurity raw materials.
- Natural Extraction– Ergosterolis mostly extracted directly from substances(shiitake mushrooms and Ganoderma lucidum), which has the advantage of natural derived.That can be emphasized to precisely meet the demands of the high-end market.However, this method entails high production costs and low yields,which is best reserved for high-end markets.
Buy Ergosterol powder,choose Highassay. Contact us today to learn more about our free sample program and to receive the latest product pricing.
