Pyrroloquinoline Quinone Disodium Salt (PQQ)
What is Pyrroloquinoline Quinone Disodium Salt?
PQQ (Pyrroloquinoline Quinone Disodium Salt) is a vitamin-like bioactive substance found in the tissues of some bacteria, plants and animals. It has strong antioxidant properties, which can protect cells from oxidative stress damage. Additionally, it can promote neuronal growth and development, and improve memory and cognitive functions. PQQ can be obtained from foods such as legumes, spinach and green tea, or taken in the form of supplements.
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Product name: |
Pyrroloquinoline Quinone Disodium Salt |
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Synonyms: |
disodium;2-carboxy-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-7,9-dicarboxylate |
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Molecular formula: |
C14H4N2O8.2Na |
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Molecular weight: |
374.17 |
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CAS NO: |
122628-50-6 |
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Packing: |
1KG * 10 packs/box 5KG * 2 packs/box |
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Storage: |
Keep container unopened at cool place from heat and light;Use as fast as possible once it is opened |
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Shelf life: |
24 months from date of production |
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Origin: |
China |
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Certificate: |
ISO22000/ISO9001/USDA Organic/EU Organic/FSSC 22000 |
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Statement |
Non GMO/No Allergens/ETO free Non irradiation;Non artificial preservatives, flavors or colors. |
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Production process: |
PQQ Production Process with Hyphomicrobium denitrificans as Strain:Hyphomicrobium denitrificans culture → Fermentation → Extraction → Purification → Crystallization → Drying → PQQ finished product |
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Test Item |
In house Standard |
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Product name: |
Pyrroloquinoline Quinone Disodium Salt |
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Appearance: |
Reddish brown powder |
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Odor: |
Characteristic of the product |
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Assay: |
NLT 98 % |
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Loss on drying: |
NMT 12 % |
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Ash: |
NMT 9 % |
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Lead: |
NMT 0.5 mg/kg |
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Arsenic: |
NMT 0.9 mg/kg |
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Cadmium: |
NMT 0.1 mg/kg |
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Mercury: |
NMT 0.1 mg/kg |
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Total plate count: |
NMT 1,000 cfu/g |
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Yeast&Mold: |
NMT 100 cfu/g |
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Coli: |
Negative |
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Salmonella: |
Negative |
Health & Dietary Supplements:PQQ boosts brain health, optimizes energy metabolism, protects cardiovascular health, and supports immunity, liver function, and anti-aging. It's available in capsules, tablets, powders, often combined with CoQ10, PS, GABA, etc.
Beauty & Skincare:As an antioxidant, PQQ clears free radicals, promotes collagen synthesis, and hydrates skin. Used in high-end skincare (serums, creams) and oral beauty products (drinks, effervescent tablets).
Food Industry & Special Applications:Added as a nutrient fortifier in functional beverages and a natural preservative for food freshness. Also applied in pharmaceutical research (Alzheimer's, Parkinson's) and biotechnology (biosensors, enzyme catalysis)
Our Advantages
1. Derived from patented Hyphomicrobium denitrificans fermentation, with high stability and low hygroscopy
It resists decomposition under normal conditions and won't clump from moisture, easing processing and storage.
2. Free of toxic solvent residues
Only food/pharm-grade solvents are used and fully removed; toxic residues are undetectable, meeting USP/EP/EU standards.
3. No synthetic impurities
Bio-fermentation avoids synthetic by-products, ensuring pure, naturally derived active ingredients and good biocompatibility.
4. No additives or preservatives in production
No synthetic auxiliaries are added during the whole process; natural stability is ensured via fermentation and precision purification.
Q1: Who is most suitable for PQQ supplementation?
A2: Brain workers, people over 25 years old, fitness enthusiasts, women preparing for pregnancy, and those with skin issues (dullness, wrinkles) are the ideal groups.
Q2: How does PQQ work synergistically with other nutrients?
A2: - PQQ + CoQ10: Boosts cellular energy;
- PQQ + NMN: Delays aging;
- PQQ + collagen peptide: Improves skin condition;
- PQQ + GABA/magnesium: Enhances sleep quality.
Q3: What is the recommended dosage of PQQ? Is it safe and are there side effects?
A3: Adults are recommended 20mg daily (10-30mg for different age groups). It has FDA GRAS and EU novel food certifications; no obvious adverse reactions at the recommended dose. Excess intake (>40mg) may cause mild gastrointestinal discomfort or headaches.
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