Liofilchem® MAIA Salts

The Liofilchem® MAIA Salts are specialized salts designed for matrix extraction in the MAIA Pesticide MultiTest, a colorimetric assay for detecting organophosphate, organochloride, and carbamate pesticide residues in food and water samples. These salts facilitate the preparation of hydro-acetonitrilic extracts from solid and liquid matrices, ensuring optimal conditions for accurate and reliable pesticide residue testing.

Key Features:

1. Optimized for Matrix Extraction:
   • Specifically formulated for use with the MAIA Pesticide MultiTest, enabling efficient extraction of pesticides from various food and water samples.
2. Comprehensive Compatibility:
   • Suitable for preparing hydro-acetonitrilic extracts from both solid (e.g., fruits, vegetables) and liquid (e.g., milk, juices) matrices.
3. Reliable and Easy-to-Use:
   • Homogeneous, free-flowing powder that dissolves readily during extraction.
   • Ensures consistency across extractions, contributing to reproducible results.
4. Long Shelf Life:
   • Stable for 4 years when stored properly, offering flexibility in inventory management.
5. Non-Hazardous:
   • Classified as non-hazardous and safe for use by trained professionals.

Typical Composition (per 100 g powder):

Applications:

1. Food Safety Testing:
   • Extract pesticide residues from solid and liquid food samples, including fruits, vegetables, milk, and juices.
2. Environmental Analysis:
   • Analyze water samples for pesticide contamination in environmental monitoring programs.
3. Research:
   • Used in laboratories studying pesticide residues in food and beverages.

Preparation and Protocol:

1. For Liquid Matrices:
   • Add 4 mL of liquid sample to a test tube.
   • Mix with 4 mL of acetonitrile, shake for 1 minute.
   • Add 2 g of MAIA Salts, shake again for 1 minute.
   • Centrifuge at 3,000 rpm for 10 minutes to obtain the supernatant extract.
2. For Solid Matrices:
   • Mince 50 g of sample into a representative portion.
   • Add 4 g of the minced sample, 1 mL ultrapure water, and 4 mL acetonitrile into a tube.
   • Homogenize for 30 seconds, add 2 g of MAIA Salts, and shake for 1 minute.
   • Centrifuge at 3,000 rpm for 10 minutes to obtain the extract.

Specifications:

Quality Control:

• Visual Inspection:
  • Ensure powder is free-flowing and homogenous with a light beige color.
• Consistency:
  • Tested to ensure compatibility with the MAIA Pesticide MultiTest.

Advantages:

1. Optimized Extraction:
   • Ensures efficient pesticide residue extraction from various food and water matrices.
2. Ease of Use:
   • Ready-to-use formulation simplifies sample preparation, reducing time and variability.
3. Reproducible Results:
   • Standardized composition ensures consistent performance across tests.
4. Safe and Non-Hazardous:
   • Free from harmful substances, suitable for laboratory professionals.

Storage and Handling:

• Store at 10–30°C, away from light and moisture.
• Keep tightly sealed in the original container to maintain product integrity.
• Discard if signs of deterioration or contamination are observed.

Product Details:

References:

1. Anastassiades, M., et al. (2003). "Fast and easy multiresidue method employing acetonitrile extraction/partitioning for the determination of pesticide residues." J. AOAC Int. 86(2): 412-31.
2. Ellman, G.L., et al. (1961). "Colorimetric determination of acetylcholinesterase activity." Biochem. Pharmacol. 7: 88-95.

The Liofilchem® MAIA Salts provide a standardized solution for effective matrix extraction in pesticide residue analysis. Paired with the MAIA Pesticide MultiTest, this product ensures accurate, reliable, and reproducible results in food safety and environmental testing workflows.