Food Applications of Nigella sativa Fixed Oil

Kıralan, Mustafa; Kıralan, Sündüz Sezer; Özkan, Gülcan; Ramadan, Mohamed Fawzy

doi:10.1007/978-3-030-48798-0_22

Black Cumin (Nigella Sativa) Seeds: Chemistry, Technology, Functionality, and Applications

2020

DOI: 10.1007/978-3-030-48798-0_22

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Food Applications of Nigella sativa Fixed Oil

Mustafa Kıralan

Sündüz Sezer Kıralan

Gülcan Özkan

et al.

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“…This plant grows in Western Asia, North Africa, and Southern Europe. BS has many edible, medicinal, and cosmetic uses (Kiralan et al, 2021;Ramadan, 2021). BS can give oil from 25% to 40% depending on the oil extraction method, seed moisture content, seed pre-treatment type, and conditions (Dezashibi et al, 2022).Black cumin seed oil can be extracted by press (hot or cold pressing methods) or solvent.…”

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Quality of oil extracted by cold press from Nigella sativa seeds conditioned and pre‐treated by microwave

Agah,

Azadmard‐Damirchi,

Bodbodak

2024

Food Science & Nutrition

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Black cumin (Nigella sativa) seed (BS) oil has received much interest in the food and pharmaceutical industries due to its valuable nutritional properties, but this oil has low oxidative stability. The effect of microwave pre‐treatment at 0 to 2.5 min and conditioning with different buffers at pH 3 to 9 of BS, before oil extraction by cold press, were investigated. The oil extraction yield was higher; acid value (AV) and peroxide value (PV) were lower in the oil extracted from seeds, which were first microwaved and then moisturized and vice versa. BS with pH 3, microwave time of 1.25 min, and moisturizing level of 5%, which gave oil extraction yield of 27.2%, AV of (2.9 mg NaOH/g oil), and PV of (8.3 meq O2/kg oil), was selected as an optimum sample and its quality changes were investigated during storage compared with the oil extracted from the control sample (without any pre‐treatment). In conclusion, the oil extracted from the pre‐treated BS had higher bioactive components and lower AV and PV during the storage; therefore, microwave radiation and pH adjustment before oil extraction from BS by cold press are recommended.

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mentioning

confidence: 99%

Quality of oil extracted by cold press from Nigella sativa seeds conditioned and pre‐treated by microwave

Agah,

Azadmard‐Damirchi,

Bodbodak

2024

Food Science & Nutrition

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Quality of oil extracted by cold press from Nigella sativa seeds incorporated with rosemary extracts and pretreated by microwaves

Ашрафи

Azadmard‐Damirchi

Hesari

2023

Green Processing and Synthesis

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Black cumin (Nigella sativa) seed (BS) oil has high a peroxide value (PV) and acid value (AV). In this study, BS was incorporated with different levels of rosemary extracts as a natural antioxidant source before and after pretreatment by microwaves. Based on the oil extraction yield (33%), PV (8.4 meq O2 per kg oil), and AV (3.2 mg KOH per gram oil), the optimum condition was determined as microwave radiation for 120 s and, after that, moisturizing by the extract at 4% level. AV and PV were lower, and chlorophylls, carotenoids, polyphenols, thymoquinone, and tocopherols content were higher in oil extracted from pretreated BS than oil extracted from control BS. Reduction and loss of bioactive components occurred in oil samples during the 120 days of storage; however, it was higher in the control sample. There were no significant differences (p < 0.05) in the fatty acid composition of oil samples; however, oxidation and reduction of linoleic acid in the control oil sample were higher (4.2%) than the oil extracted from pretreated BS (2.5%). In conclusion, the oil extracted from the pretreated BS had higher oil extraction yield, high bioactive components, and stability; therefore, microwave radiation and incorporation of rosemary extract before oil extraction from BS is suggested.

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Food Applications of Nigella sativa Fixed Oil

Cited by 2 publications

References 37 publications

Quality of oil extracted by cold press from Nigella sativa seeds conditioned and pre‐treated by microwave

Quality of oil extracted by cold press from Nigella sativa seeds conditioned and pre‐treated by microwave

Quality of oil extracted by cold press from Nigella sativa seeds incorporated with rosemary extracts and pretreated by microwaves

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