Promega offers DNA purification products specifically designed for extracting genomic DNA from processed and unprocessed food samples as well as a plant purification system for a variety of sample types.
Wizard® Magnetic DNA Purification System for Food
This system is designed to isolate DNA from a variety of food samples including corn seeds, cornmeal, chocolate and lecithin, suitable for PCR-based testing.
Wizard® Magnetic 96 DNA Plant System
Designed for manual or automated 96-well purification of DNA from plant leaf and seed tissue. The purified DNA can be used in PCR and RAPD analysis.
The basics of DNA isolation, plasmid growth and DNA quantitation. How silica-based purification methods can increase productivity.
A protocol for DNA purification from a variety of food samples including corn seeds, cornmeal, soybeans, soy flour and soy milk; DNA also may be purified from processed foods.