How does microbial testing work?

Before a batch of essential oils can be released from quarantine to manufacturing, it must be tested for the presence of bio-hazards such as bacteria, fungus, and mold. In microbial testing, samples are drawn from each batch of essential oils and applied to growing mediums in dishes or “plates.” After an incubation period, each plate is analyzed for growth of microbes. This test is performed on all incoming material to the manufacturing facility, and also performed on finished product to ensure no harmful organisms have been introduced to the product during the filling and labeling process, and to ensure shelf-life stability.

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