Hebei Messi Biology Co., Ltd. states that in the synthesis of magnesium pyruvate, magnesium oxide, serving as the magnesium source, directly influences the final quality of magnesium pyruvate. The higher the purity, the fewer impurities produced in the reaction, thereby improving the product’s purity, solubility, and bioavailability. The following aspects elaborate in detail the impact of magnesium oxide purity on magnesium pyruvate quality:

1. Problems Low-Purity Magnesium Oxide May Cause
If low-purity magnesium oxide (such as industrial grade or low-grade food grade) is used, the following problems may arise:
- Impurities Affect Chemical Reactions: Low-purity magnesium oxide may contain impurities such as silicon (Si), iron (Fe), and aluminum (Al). These impurities can interfere with the complexation reaction between pyruvic acid and magnesium ions, affecting product quality.
- Reduced Magnesium Pyruvate Solubility: Lower purity magnesium oxide may form some insoluble by-products, such as magnesium carbonate (MgCO₃) or magnesium hydroxide (Mg(OH)₂), reducing the water solubility of the final product and impacting human absorption.
- Affected Bioavailability: Magnesium pyruvate with more impurities may lead to uneven release of magnesium ions, reducing its absorption rate in the body and affecting the efficacy of magnesium supplementation.
- Safety Issues: If magnesium oxide contains heavy metals (such as lead, cadmium, arsenic, etc.), it may pose a threat to human health, especially in cases of long-term consumption.
2. Advantages of High-Purity Magnesium Oxide
Using high-purity (≥98%) magnesium oxide for the synthesis of magnesium pyruvate offers the following advantages:
- Improved Reaction Efficiency: High-purity magnesium oxide has a higher magnesium content, allowing it to react more efficiently with pyruvic acid, increasing yield and reaction speed.
- Guaranteed Product Purity: It prevents the introduction of impurities, thereby enhancing the purity of magnesium pyruvate and ensuring it meets pharmaceutical or food standards.
- Enhanced Solubility and Bioavailability: Higher purity magnesium pyruvate is more readily soluble in water, improving its absorption and metabolic efficiency in the human body.
- Improved Safety: Low heavy metal content ensures product safety and compliance with food and drug regulatory requirements.
3. Quality Control and Testing
To ensure the quality of magnesium pyruvate, the purity of magnesium oxide must be tested during the production process, including:
- X-ray Fluorescence Spectroscopy (XRF) – Used to detect the elemental composition of magnesium oxide and assess impurity content.
- Atomic Absorption Spectroscopy (AAS) – Used to detect heavy metal content, ensuring compliance with food or pharmaceutical standards.
- Titration – Used to determine the content of magnesium oxide, ensuring the accuracy of the magnesium source.
- Solubility Test – To evaluate the solubility of magnesium oxide in different pH environments, ensuring its efficient conversion into magnesium pyruvate.