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Progress in Essential Oils

By: Brian M. Lawrence
Posted: December 20, 2007, from the January 2008 issue of P&F magazine.

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  • From P&F Magazine
  • January 2008 issue, pg 38—9 pages
  • 9 pages

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Nigella sativa Oil

Although black cumin (Nigella sativa L.) is used across numerous countries as a condiment, small quantities of oil are also produced for commercial sale.

El-Alfy et al.(1975) found that a crystalline substance precipitated when an Egyptian oil of N. sativa was subjected to refrigeration. Using a combination of spectroscopic techniques, the structure of the compound was elucidated and found to be thymohydroquinone.

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