Researchers have complained for years about the quality and potency of the cannabis grown by the University of Mississippi. In general, it has lower levels of THC than products that are available in legal state markets, says Morgan Fox, media relations director of the National Cannabis Industry Association (NCIA), a trade group for the cannabis industry. Researchers have reported that cannabis is moldy. Additionally, the material is “basically like powder,” Fox says. “So it is not really representative of what people are actually consuming,” he says. The cannabis grown by the University of Mississippi has the appearance of being poor quality because it is highly processed. It is dried immediately after harvesting and stored for long periods of time, sometimes years, in a walk-in freezer at –20 °C. It is also irradiated to kill off any yeasts and molds, following complaints about mold received by the US Food and Drug Administration, says Mahmoud ElSohly, a research professor who oversees the marijuana research facility at the University of Mississippi. Before it is shipped out to researchers, the cannabis is typically ground up into particles of uniform size. -20 C = -4 degreesFahrenheit
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