Our PeakQQ™
Products
PeakQQ™ is now on sale.
For many years, Hexin Pharmaceutical (Shandong) has been selling PeakQQ™ as a raw material in the major supplement market—the United States. PeakQQ™’s products and services have consistently earned recognition and trust from domestic and international distributors, OEM manufacturing companies, and brands. Currently, PeakQQ™ is available as a nutritional supplement ingredient in countries including the United States, Southeast Asia, and Brazil.
About Products
Packaging Options
20 kg drum (1 kg/bag)
100 grams (aluminum foil bag)
Basic Physical Properties
Water solubility: 3 g/L at 25°C
Resistant to light, heat, and moisture
Odorless and tasteless
Storage Conditions and Shelf Life
Storage Conditions
Store in a sealed container at room temperature, in a dark place, and protect from moisture.
Deadline / Expiration Date
3 years from the date of manufacture (unopened)
Recommended Dosage Forms
It has been used in soft capsules, hard capsules, and liquid formulations.
Recommended daily intake: 5–20 mg
Characteristics
Product Name
PeakQQ™
Characteristics
Red-brown powder
Chemical Name
Pyrroloquinoline Quinone Disodium Salt
Manufacturing
Fermentation production carried out in a GMP-compliant facility
PeakQQ™ Product Specifications [Food]
Pyrroloquinoline Quinone Disodium Salt
Item
Standard
Test Method
External Appearance
Red-brown powder
Visual inspection
Purity (HPLC)
>99.0%
High-performance liquid chromatography
UV Absorbance
A233/A259 0.90±0.09
A322/A260 0.56±0.03
Spectrophotometric method
Moisture Content
< 12.0%
Karl Fischer titration
Arsenic
< 2 ppm
Atomic absorption spectrophotometry
Heavy Metals (Lead, Cadmium, Chromium)
< 10 ppm
Atomic absorption spectrophotometry
Total Aerobic Microbial Count
< 300 cfu/g
Standard test according to Food Sanitation Law
Mold and Yeast Count
Negative
Standard test according to Food Sanitation Law
E. coli
Negative
Standard test according to Food Sanitation Law
Residual Ethanol
< 500 ppm
Gas chromatography
Sodium / PQQ Molar Ratio
≥ 1.70 and ≤ 2.10
Ion chromatography / HPLC
