Products Description
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Chemical name: 1,7-双(4-羟基-3-甲氧基苯基)-1,6-庚二烯-3,5-二酮 |
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Molecular formula: C₂₁H₂₀O₆ |
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Molecular weight: 368.38 g/mol |
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Structural formula:
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Melting point: 183 ℃ |
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Boiling point: 593.2 ℃ |
| CAS number: 458-37-7 |
| Appearance: Orange-yellow powder |
| Botanical source: Curcuma longa L. |
| Odor and taste: Characteristic |
| Particle size: 80 mesh |
| Dissolution property: Insoluble in water and ether, but soluble in ethanol and acetone |
| Assay: HPLC 95%-98% |
certificate of Analysis(COA)
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Product Name |
Turmeric Extract |
Botanical Name |
Curcuma longa L. |
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Test Item |
Specification |
Test Result |
Test Methods |
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Total Curcuminoid |
≥95% |
95.11% |
HPLC |
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Appearance |
Fine Powder |
Conforms |
Visual |
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Color |
Orange Yellow |
Conforms |
Visual |
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Particle Size |
NLT95% pass 80 mesh |
Conforms |
CP2020 |
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Loss on Drying |
≤5% |
0.41% |
GB5009.3 |
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Ash |
≤5% |
0.21% |
GB5009.4 |
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Heavy Metals |
|||
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Lead |
≤2.0mg/kg |
Negative |
GB5009.12 |
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Arsenic |
≤1.0mg/kg |
Negative |
GB5009.11 |
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Mercury |
≤0.3mg/kg |
Negative |
GB5009.17 |
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Microorganism |
|||
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Total Plate Count |
≤1000 cfu/g |
Conforms |
GB4789.2 |
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Total Yeast&Mold |
≤100 cfu/g |
Conforms |
GB4789.15 |
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Coliforms |
≤0.92 MPN/g |
Conforms |
GB4789.3 |
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Salmonella |
≤0/25g |
Negative |
GB4789.4 |
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Staphylococcus aureus |
≤0/25g |
Negative |
GB4789.10 |
Chromatogram
The production technology of curcumin mainly includes physical extraction and chemical extraction.
1. The physical extraction method mainly uses solvent extraction, ultrasonic extraction, and microwave-assisted extraction to extract curcumin by taking advantage of the difference in solubility of curcumin in different solvents.
2. The chemical extraction method uses the solubility and chemical stability of curcumin in specific solvents to extract curcumin through organic solvents or aqueous solutions.

Main production areas of the turmeric industry
The main production areas of curcumin are concentrated in Asia, especially in countries such as India, Thailand, China, and Pakistan. India is the world's largest producer of curcumin. Thailand and Pakistan are also major producers of curcumin. In China, the production of curcumin is mainly concentrated in regions such as Yunnan, Sichuan, and Guangxi. These regions have a suitable climate for turmeric growth and have a rich history of turmeric cultivation.
Main production areas of the turmeric industry in China
| Province/City | Major Prefecture/City/State | Major County |
| Yunnan Province | Honghe Prefecture | Luchun County, Jinping County, Hekou County |
| Wenshan Prefecture | Maguan County | |
| Qujing City | Luoping County | |
| Dali Prefecture | Yongping County, Eryuan County | |
| Dehong Prefecture | Ruili City | |
| Sichuan Province | Leshan City | Xinmin, Tielu, Daxing, Jiujing, Tangba, and other towns in Qianwei County; Danan, Jianban, Dibao, Muxi, Xinfan, Xingfu, and other towns in Muchuan County |
| Yibin City | Nixi, Ninan, Yuebo, Juxi, Gubei, Lichang, Longchi, and other towns in Yibin County |
International laws and regulations
In China, the use of food additives is strictly regulated to ensure food safety and consumer health. Curcumin, as a common food additive, is also subject to the use of the "Standard for the Use of Food Additives" (GB2760-2011). According to this standard, curcumin is listed as a food coloring allowed for use, and detailed regulations are made for its maximum usage in various foods.

International regulations also have strict regulations on the production, sale, and use of curcumin. For example, the EU has detailed regulations on the use of food additives: curcumin as a food additive must comply with the EU Food Additives Regulation (EU Regulation No. 1333/2008). In addition, curcumin as a dietary supplement must comply with the requirements of the Dietary Supplement Health and Education Act (DSHEA) in the United States.

Function & Application
FUNCTION:
1. Anti-Inflammatory Effect
Curcumin can relieve chronic inflammation by inhibiting inflammation-related signaling pathways such as NF-κB (nuclear factor κB) and reducing the release of pro-inflammatory factors (such as TNF-α and IL-6). For example, clinical trials have shown that curcumin can reduce joint swelling and pain in patients with rheumatoid arthritis.
2. Antioxidant Effect
Curcumin is a potent free radical scavenger that neutralizes reactive oxygen species (ROS) and activates the Nrf2 pathway, a key regulator of antioxidant stress, to protect cells from oxidative damage. For example, topical application of curcumin-containing skin care products may reduce UV-induced oxidative damage.
3. Metabolic Regulation
Curcumin may help regulate blood sugar by improving insulin sensitivity and inhibiting gluconeogenesis. Animal experiments have found that curcumin can reduce the formation of atherosclerotic plaques, which may be related to reducing the oxidation of low-density lipoprotein (LDL).
4. Neuroprotection
Curcumin can cross the blood-brain barrier, reduce beta-amyloid deposition (a marker of Alzheimer's disease), and promote the secretion of brain-derived neurotrophic factor (BDNF). In clinical trials, elderly people who took curcumin for a long time performed better in memory tests.
APPLICATION:
Ⅰ Beverage
Curcumin is widely used in various products as a natural pigment and functional ingredient. For example, fruit juice, tea drinks, energy drinks, etc. The antioxidant properties of curcumin make it an ideal choice for functional beverages.
Ⅱ Food
Curcumin is used for coloring and flavoring products such as cakes, bread, and ice cream. Curcumin also has anti-inflammatory and antioxidant health benefits, which makes food manufacturers more inclined to use curcumin to enhance product value.
Ⅲ Nutritional Supplement
Curcumin, as a natural antioxidant and anti-inflammatory ingredient, is widely used in various health supplements, such as curcumin capsules, curcumin tablets, etc. These health supplements are designed to provide health support, help consumers maintain good health, and prevent and improve chronic diseases.
Ⅳ Pharmaceutical
Curcumin is being studied as a potential drug ingredient for the treatment of various diseases due to its anti-inflammatory, antioxidant, and anti-tumor effects. Curcumin has shown certain application prospects in the treatment of arthritis, cancer, cardiovascular disease, and nervous system diseases.
Ⅴ Cosmetics
Due to its natural antioxidant and anti-inflammatory properties, curcumin is used to develop anti-aging, whitening, and anti-acne skin care products. In cosmetics, curcumin can promote skin health and reduce skin inflammation, while helping to repair damaged skin and improve skin radiance and elasticity.
Ⅵ Animal Health Care
Curcumin is also used as an additive to improve the health of animals. For example, adding curcumin to pet food can help prevent arthritis and improve the immunity of animals. In addition, curcumin is also used to promote the growth of poultry and livestock and improve their production performance.





Why choose us?
APPCHEM 8+Key Advantages for Global Trade
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Nasdaq-listed(Nasdaq: BON) manufacturer with 19+ years in herbal extract production and 19+ years of export experience; Products distributed to 100+ countries, extensive participation in international exhibitions. |
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Dedicated 4-person after-sales team providing real-time support; Comprehensive order tracking system for full supply chain visibility. |
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20+ certifications: China SC License, ISO9001/ISO22000, FDA, Kosher, Halal, etc.; Passed FDA unannounced inspections and on-site audits by global authorities; 30+ national patents, 53 registered trademarks; drafted 4 international standards (e.g., Stachyose, Apple Extract); Established enterprise standards for Sclareol/Ambroxide, enabling premium market access. |
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Raw Material Selection: Procurement with full traceability; Advanced Production: 100,000-Class cleanrooms, triple-core technologies (ton-scale extraction, heavy metal removal, enzymatic purification) meeting FDA/EU standards; Rigorous Testing: The QC department conducts strict inspections from raw materials to finished products. |
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PhD-led R&D team (>50% hold advanced degrees) with cutting-edge equipment (e.g., molecular distillation, nanofiltration); Custom formulations, packaging, and OEM solutions; factory audits accepted; no trader involvement. |
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High Capacity: 50+ technicians, multiple production lines, daily output exceeding 1,000 tons; Fast Delivery: 80% of orders are shipped immediately; global logistics network (EU/US) with door-to-door multimodal transport; Inventory Efficiency: 40+ SKUs across 4 product lines, 1,000+ tons of inventory for flexible fulfillment. |
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Factory-direct pricing reduces procurement and logistics costs. Partnerships with packaging and logistics providers ensure cost-effective solutions. |
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Equipped with HPLC, atomic absorption spectrometers, UV spectrophotometers, etc. Full-spectrum testing for heavy metals, microorganisms, and compliance with global regulations. |
Certificates

Security statement:
Our company guarantees that the goods sent are safe, non-flammable, and non-explosive, and consistent with the declaration. Under normal transportation conditions, all losses caused by the products sent by our company shall be borne by our company.
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