How can I purify DNA from soil, food and sewage samples for PCR?

The isolation of DNA from soil, food and sewage for use in PCR can be challenging due to a high levels of inhibitors in these samples (e.g. humic acids, tannic acids, lignins, and anthocyanins) which are often co-isolated with the DNA.

The QIAamp DNA Stool Mini Kit allows isolation of genomic DNA from fecal and soil samples with the efficient removal of PCR inhibitors.


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