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