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Issue Date: January 2008
pg 38—9 pages

Progress in Essential Oils

Brian M. Lawrence

Abstract: Lawrence discusses the composition of Nigella sativa oil from Egypt, France, Algeria, Bulgaria, Morocco, Syria, Jordan, Iran and Ethiopia. Additionally, he covers the composition of coriander seed oil (Coriandrum sativum L.) from Germany, China, Algeria, Turkey and India. Finally, Lawrence explores the composition of cilantro oil from India, Canada and Fiji.

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.