Pyrroloquinoline quinone (PQQ) is redox cofactor. It is found in soil and foods such as kiwifruit, as well as human breast milk.Enzymes containing PQQ are called quinoproteins. Glucose dehydrogenase, one of the quinoproteins, is used as a glucose sensor. PQQ stimulates growth in bacteria.
It was discovered by J.G. Hauge as the third redox cofactor after nicotinamide and flavin in bacteria (although he hypothesised that it was naphthoquinone).Anthony and Zatman also found the unknown redox cofactor in alcohol dehydrogenase. In 1979, Salisbury and colleagues as well as Duine and colleagues extracted this prosthetic group from methanol dehydrogenase of methylotrophs and identified its molecular structure. Adachi and colleagues discovered that PQQ was also found in Acetobacter.
Product Name: High Purity Pyrroloquinoline Quinone PQQ Powder
1) Purity: 98%min HPLC
Product Specification Of High Purity Pyrroloquinoline Quinone PQQ Powder
| Items || Standards |
| Appearance || Fine Powder |
| Color || Reddish Orange to Reddish Brown |
| Identification || Positive Match With Standard |
| Assay(Dry Basis) || Not Less Than 98% |
| Loss On Drying || Not More Than 12% |
| Particle Size || Not More Than 99% Through 20Mesh |
| Ash || Not More Than 0.1% |
| Heavy Metals || Not More Than 10PPM |
| Arsenic(As) || Not More Than 1PPM |
| Cadmium(Cd) || Not More Than 1PPM |
| Lead(Pb) || Not More Than 0.5PPM |
| Mercury(Hg) || Not More Than 0.1PPM |
| Aerobic Plate Count || Not More Than 1000cfu/g |
| Yeast & Mold || Not More Than 100cfu/g |
| E. Coli || Negative |
| Salmonella || Negative |
Functions Of PQQ:
1)As a powerful antioxidant, PQQ protects and increases the functionality of existing mitochondria -Slowing mitochondrial aging.
2)PQQ also promotes the generation of new mitochondria (Mitochondrial Biogenesis).-Increased mitochondria = increased energy production.
3)PQQ stimulates production of Nerve Growth Factor (NGF).-NGF triggers growth of nerve cells to repair damaged nerves from stroke or other injury.
1. What's your payment terms?
T/T or L/C.
2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA . If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Beijing or Tianjin etc.
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Product Categories : Food Ingredients