Purified Cotton Outperforms Greige and Raw Cotton in Lab Study

In a recent study on the pharmaceutical properties of cotton, samples were submitted to an independent U.S. laboratory for microbial analysis. A Total Microbial Plate Count and a Mold/Yeast Analysis were prepared for samples of Raw, Greige and Purified cotton. All results were measured in Colony Forming Units per gram.


Scientific Analysis of Purified Cotton Infographic

Microbial Count

The results of the Microbial Count analysis were varied, showing samples in stark contrast to each other. Raw cotton measured 150,000 CFU/gm and Greige cotton measured 40,000 CFU/gm, while Purified cotton had less than 10 CFU/gm. Relative to the other samples, this analysis clearly showed Purified cotton’s benefits as a material resistant to microbial organisms. It also showed that Purified cotton has wide applications and uses in a variety of important industries, including the medical and pharmaceutical industries.

Mold/Yeast Count

Like the Microbial Count analysis, the Mold/Yield Count provided insight into the benefits of Purified cotton. This count revealed that Raw cotton had 2,300 CFU/gm and that Greige cotton had 1,800 CFU/gm. However, Purified cotton was shown to have less than 10 CFU/gm. This further helped illustrate the superiority of Purified cotton compared to other non-purified specimens on the market. When you work with non-purified cottons, there are all sorts of bacteria and fungi that can blunt cotton’s effectiveness.

Types of bacteria, mold and fungi commonly found on non-purified cotton:

  • Enterobacteriaceae
  • Pseudomonas aeruginosa
  • cloacae
  • Staphylococcus aureus
  • Aspergillis
  • Fusarium

Pharmaceutical Standards

Purified cotton has properties that meet or exceed U.S. Pharmacopeia Convention Standards, along with European and Japanese standards. The USP is a scientific non-profit agency that sets standards relating to the strength, quality and purity of medicine, food ingredients and other important goods used throughout the world. Given that Purified cotton meets UPS standards, it’s considered a pharmaceutical grade cotton that is viable for medicinal use.

Purified cotton stood out in the analysis of cotton samples in this study, and it is a more viable option compared to lesser grades of cotton when it comes to medical applications. Purified cotton meets the high standards necessary to be considered pharmaceutical grade, and it outperforms other products on the market.

2 Responses to Purified Cotton Outperforms Greige and Raw Cotton in Lab Study

  1. I simply do not understand why anyone even bothered to include Greige and raw cotton in this study! The results for purified cotton are very good as they should be. However, to compare Greige and raw cotton to purified cotton with respect to microbiological content is analogous to running your hands through a pile of dirt then comparing how clean they are before and after washing your hands. Anyone who has ever set foot in a cotton field knows cotton is grown in soil. Once a boll cracks open the developing fibers inside are no longer sterile. Harvesting, ginning and spinning are not intended to be particularly clean processes from the microbiological standpoint.

  2. Great results. Indicates that by using purified cotton you do not have to get involved with sterilization ,anti bacterials and anti fungals in using purified cotton in cotton products subject to good manufacturing standards.Removing these undesirable fungals and bacteria from purified cotton eliminates them being released into the air when purified cotton is converted into consumer products. Assuring quality and safety requires that fungal and bacteria materials be reduced below acceptable standards and be under control at all times.

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