China Factory Direct
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| CAS number | 874807-57-5 |
| Product name | MONASCUS RED |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
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| Food Industry | Natural food colorant for coloring meat products, seasonings, baked goods, beverages, etc. | Rice or other substrates are fermented with Monascus spp., and the resulting pigment mixture (including monascorubrin and monascin) is extracted and purified prior to incorporation into food products. |
| Pharmaceutical & Health Supplements | Cholesterol-lowering functional ingredient (containing active compounds such as monacolin K) | Functional ingredients are isolated and purified from fermentation broth and formulated into health supplements such as capsules and tablets. |
| Cosmetics | Natural colorant for color cosmetics including lipsticks and blushes | Purified Monascus pigment is dispersed into cosmetic bases per formulation requirements following safety assessment. |
| Animal Feed Industry | Feed colorant for enhancing yolk pigmentation in poultry eggs and body coloration in aquaculture species | Monascus pigment is incorporated into compound feed and deposited in tissues or egg yolks via animal ingestion. |
| Detection Item | Common Analytical Method | Method Overview |
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| Color Value (OD405) | UV-Vis Spectrophotometry | Measures absorbance at 405 nm in standardized aqueous solution to quantify color intensity proportional to monascin and ankaflavin content. |
| Moisture Content | Karl Fischer Titration | Quantifies water via coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Ash Content | Gravimetric Analysis (Incineration) | Determines inorganic residue after high-temperature combustion and weighing of the residual ash. |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS | Uses inductively coupled plasma to atomize and ionize samples, followed by mass spectrometric detection for trace metal quantification. |
| Arsenic | Hydride Generation AAS | Converts arsenic to volatile arsine gas, which is atomized and measured by atomic absorption at 193.7 nm. |
| Lead | Graphite Furnace AAS | Atomizes sample in graphite tube and measures lead absorption at 283.3 nm for high-sensitivity quantification. |
| Microbial Limits (Total Aerobic Count) | Plate Count Agar Culture | Enumerates viable aerobic bacteria using standard pour-plate or spread-plate method under controlled incubation conditions. |
| Yeast and Mold Count | Sabouraud Dextrose Agar Culture | Isolates and counts yeasts and molds via selective agar medium incubated at 20-25 C for 5 days. |
| E. coli Presence | Most Probable Number (MPN) Method | Detects presence/absence of E. coli using lactose broth fermentation and confirmation tests based on gas production and IMViC reactions. |
| Salmonella Presence | ISO 6579 Enrichment and Isolation | Employs pre-enrichment, selective enrichment, and plating on XLD/BSA agars followed by biochemical and serological confirmation. |
| Residual Solvents (Ethanol, Acetone) | Gas Chromatography (GC-FID) | Separates and quantifies volatile solvents using capillary column and flame ionization detection. |
| Purity (Monacolin K Content) | HPLC-UV | Separates components on reversed-phase column and quantifies monacolin K by UV detection at 237 nm, distinguishing it from other metabolites. |
| Test Item | Specification |
|---|---|
| Appearance | Red to reddish-brown powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Odor | Characteristic, mild |
| Solubility | Freely soluble in ethanol and aqueous alkali; slightly soluble in water; insoluble in non-polar solvents |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.