1. Caffeic acid
| Certificate of Analysis |
| Item | Specification | Result |
| Assay | 99% | 99.68% |
| Appearance | Light Yellow Powder | conforms |
| Odor | Characteristic | conforms |
| Taste | Characteristic | conforms |
| Particle Size | NLT 100% Through 80 mesh | conforms |
| Loss on Drying | <2.0% | 0.47% |
| Heavy metals |
| Total Heavy Metals | ≤10ppm | conforms |
| Arsenic | ≤3ppm | conforms |
| Lead | ≤3ppm | conforms |
| Microbiological Tests |
| Total Plate Count | ≤1000cfu/g | conforms |
| Total Yeast & Mold | ≤100cfu/g | conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
2. D-Ribose AJI92
| Items | Standards | Results |
| Appearance | White crystals or crystalline powder | White crystals |
| Assay | 97%~102% | 98.5% |
| [a]D20 Specificrotation | -180~-220 | -18.50 |
| State of solution | NLT95% | 99.5% |
| Arsenic(As2O3) | NMT2ppm | <2ppm |
| Heavy metal(Pb) | NMT10ppm | 10ppm |
| Loss on drying | NMT3.0% | 0.45% |
| Residue on ignition(sulfated) | NMT0.20% | 0.08% |
| Other saccharide | Chromatographically not detectable | Not detectable |
| Bacteria count | NMT100cfu/g | <10cfu/g |
| Mould& Yeast | NMT100cfu/g | <10cfu/g |
| Coliform group | NMT40MPN/100g | <40MPN/100g |
| Pathogenic bacteria | Do not detected in 25g | Not detectable |
| Conclusion | This product complies with AJI92 |
3. Ribonucleic acid(RNA) 90% min
Specification:
| Characteristics | white powder |
| Identification | Positive reaction |
| Melting point | About 190 |
| pH | 2.1-2.6 |
| Clarity of solution | Clear |
| Color of solution | ≤BY7 |
| Copper | ≤5ppm |
| Heavy metals | ≤10ppm |
| lead | ≤2ppm |
| Iron | ≤2ppm |
| Arsenic | ≤3ppm |
| Oxalic acid | ≤0.2% |
| Sulphate ash(Residue on ignition) | ≤0.1% |
| Specific optical rotation | +20.5~+21.5o |
| Assay | 99.0%~100.5% |
| Organic volatile impurities | Pass |
| Residual solvents | Methanol: NMT 3000pp |
4.5'-Nucleotide 70% min
Packing: 25kg/drum or as your request.
Shelf Life: The shelf life is 24 months in the original packing. And the temperature is not exceeding 25° C. Far away water and heat.
Delivery: Within two weeks after receiving your prepayment.
Service we can provide:
1. Mixed container, we can mix different items in one container.
2. Quality control, before shipment, free sample for test. After shipment, keep sample for 3 years
3. Prompt shipment with professional documents
4. Packing as your request, with photo before shipment.
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To get more information, just feel free to contact with us. Thanks.
Mr. Liu
Qingdaofraken international trading Co., Ltd
Address: RM1005 post mansion yan'an three road, qingdao, China
Tel: 0086 532 83899718
Fax: 0086 532 83623236
Web: http://fraken.en.made-in-china.com
Audited Supplier 
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