According to the world¡¯s agricultural production, the production of oil seed is 40.29 million metric tons in Pakistan; in all the world, it is 607.3 million metric tons . According to the Unani Tibb medical system, Nigella sativa. has proved very helpful in curing many health disorders.
How is seed oil extracted?
In this process, the seeds were first ground using a tabletop mixture, hexane was used for extraction of seed oil for approximately 2 h in a soxhlet apparatus, and the extracted oil was stored at room temperature in a selected amber glass bottle until use.
How much oil does Saudi Aramco extract per day?
As of 31 December 2018, total reserves of 58.32 billion barrels (9.272 × 10 9 m 3) of oil equivalent including 48.25 billion barrels (7.671 × 10 9 m 3) barrels of liquid reserves have been confirmed by Saudi Aramco. Average daily extraction was 3.8 million barrels (600,000 m 3) per day.
How is Nigella sativa seed oil extracted?
The supercritical fluid extraction equipment (FeyeCon Development B.V. Weesp, Netherlands) was used for Nigella sativa seed oil extraction, by using a stainless steel grinder (Waring Commercial, Torrington, CT, USA) for 3¨C4 min; the crushed dried seeds were obtained, placed the material in a 50-L container of extractor, and sealed tightly.