We convert the high citronellal content in the essential oil into the naturally occurring substance PMD (p-menthane-3,8-diol)

 
 
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  • In nature, as the oil found in the leaves of the Eucalyptus citriodora tree ages, the main constituent of the oil (citronellal) gradually turns into PMD (p-menthane-3,8-diol). 
  • Some PMD is found in the “young” oil, but only in small amounts. Because it is more difficult to distil the oil when it is more mature and because the PMD is central to the efficacy in repelling biting insects, Citrefine’s suppliers harvest the oil from leaves that are about 12-18 months old.
  • This oil is supplied to Citrefine who use a simple manufacturing process to convert the citronellal to PMD.

The result is Citriodiol®, which contains a minimum of 64% PMD and only a negligible amount of citronellal. The other naturally occurring minor components in the Eucalyptus citriodora oil remain largely unaffected by this process.

In this way Citrefine is effectively mimicking nature’s own ageing process.

 
 

Learn more about who we work with and how we can help you. Including the supply of Citriodiol, product formulations, regulatory support and technical support

 

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