The Effect of Water Stress on the Seed Oil of<i>Nigella sativa</i>L.

Abstract

Abstract The essential oils obtained by steam distillation of the seeds of Nigella sativa L. growing at different conditions of water stress in field, by a combination of GC and GC/MS. More than 15 compounds in the seed essential oil have been identified. Water stress was effective on content of essential oil. Thymoquinone that is one important medical compound in this plant, was 57.78% in irrigation over 12 days.