Name

Pyrroloquinoline quinone disodium(PQQ)salt

Basic information

Molecular formula: C14H4N2Na2O8

Molecular weight: 374.17

Structure:

Production process

Using 6-amino-5-methoxyindole-1H-2-carboxylic acid ethyl ester and dimethyl 2-oxoglutaconate as raw materials, after coupling reaction, formation of quinoline ring, oxidation reaction and hydrolysis reaction of ester and refining.

Recommended intake

≤20 mg/d

Quality requirement

Property

Reddish brown powder

Pyrroloquinoline quinone disodium (PQQ) salt content (on dry basis)

≥98.0%

Moisture

≤12.0%

Other information

1. Application scope and maximum usage: beverages (40 mg/ kg, solid drinks are converted according to the volume of liquid after preparation).

2. The substance shall not be consumed by infants, young children, pregnant women and lactating women. Inapplicable population should be marked on labels and instructions.

3. Test method check the link at the end of this article.

4. Food safety indicators must meet the following requirements:

Pb/(mg/kg)

≤0.5

As/(mg/kg)

≤1.0

Cd/(mg/kg)

≤0.1

Hg/(mg/kg)

≤0.1

Total plate count /(CFU/g)

≤1000

Coliform bacteria /(MPN/g)

≤3.0

Mold &Yeast /(CFU/g)

≤100

Salmonella /(/25g)

Not detectable

Staphylococcus /(/25g)

Not detectable