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Potentially Harmful Shortcomings of Culture-Based Microbial Testing

Submitted by Marijuana News on Thu, 12/01/2016 - 10:03

The cannabis industry has a problem…

Culture-based testing is the industry standard for detecting harmful microbes on cannabis flower, but the most widely used culture-based tests have never been validated for use on cannabis.

Our team used genetic sequencing technology to evaluate the accuracy of culture-based microbial tests on cannabis flower, and our findings were peer reviewed and published on F1000.

Our results show that culture-based tests do a poor job of measuring the level of microbial contamination on a cannabis flower, more specifically:

  • Culture-based yeast and mold tests do not effectively discourage bacterial growth, which can lead to inappropriate failures.
  • Significant levels of Clostridium botulinum (botulism) were observed in two-thirds of the samples after incubation in the hermetically sealed cards of the Biomerieux Total Yeast & Mold platform.
  • Beneficial microbes, which are known to reduce the use of fungicides, grow very well in culture mediums, which can lead
    • ...
READ MORE: 
Medical Genomics
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