The kinetics of hydrolysis ofNigella sativa (black cumin) seed oil catalyzed by native lipase in ground seed

Dandi̇k, L.; Aksoy, H. A.

doi:10.1007/bf02637689

Cited by 33 publications

(17 citation statements)

References 5 publications

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“…This leads to greater potential for lipolytic activity during extraction which in turn can increase the AV. This justification came in accordance with a previous study (Dandik and Aksoy, 1992) although the authors estimated Peak areas are means of three injections ± SD. the effect of temperature on lipase activity by subjecting the seeds to different temperatures in an oven instead of proceeding under real mechanical pressing conditions which generate inherent heat, as the case in our investigation.…”

Section: Discussionsupporting

confidence: 90%

Potentials of enhancing the physicochemical and functional characteristics of Nigella sativa oil by using the screw pressing technique for extraction

Hamed¹,

Shaaban²,

Ramadan³

et al. 2017

Grasas y Aceites

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SUMMARY:In the current investigation the crude oil of Nigella sativa was extracted from seeds using hydraulic and screw pressing techniques. Different parameters were evaluated in order to find out the appropriate technique to enhance the physicochemical and functional-related characteristics of the extracted crude oil. Results showed that the acid and peroxide values were significantly lower in the screw pressed oil (SPO) than in the hydraulic pressed oil (HPO). The total phenolic content of the SPO was significantly higher than that of HPO. Evaluation of the oxidative stability using the Rancimat test showed that SPO recorded a much higher oxidative stability index (40.07 h) than HPO (0.51 h). The yield of the volatile oil fraction and its contents of thymoquinone isolated from the SPO were higher than that from the HPO. Biological evaluation revealed that the SPO had significantly higher antimicrobial activity than HPO against Listeria monocytogenes and Staphylococcus aureus at 40 µL/well. KEYWORDS : Crude oil; Functionality; Hydraulic pressing; Nigella sativa; Screw pressing RESUMEN: Mejoras potenciales de las características físico-químicas y funcionales del aceite de Nigella sativa mediante extracción con prensa de tornillo. En la presente investigación se extrajo el aceite crudo de Nigella sativa de las semillas utilizando técnicas hidráulicas y de prensado de tornillo. Se evaluaron diferentes parámetros para conocer la técnica apropiada que potencie las características fisicoquímicas y funcionales del aceite extraído. Los resultados mostraron que los valores de ácido y peróxido fueron significativamente más bajos en el aceite de presión con tornillo (SPO) que en el aceite prensado hidráulico (HPO). El contenido fenólico total del SPO fue significativamente mayor que el de HPO. La evaluación de la estabilidad oxidativa mediante Rancimat demostró que el aceite SPO tiene un índice de estabilidad oxidativa mucho más alto (40,07 h) que el HPO (0,51 h). El rendimiento de la fracción volátil y su contenido de timoquinona aislada del aceite SPO fueron superiores a los del HPO. La evaluación biológica reveló que el aceite SPO tenía una actividad antimicrobiana significativamente mayor que el HPO contra Listeria monocitogenes y Staphylococcus aureus a 40 μL/pocillo.

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Section: Discussionsupporting

confidence: 90%

Potentials of enhancing the physicochemical and functional characteristics of Nigella sativa oil by using the screw pressing technique for extraction

Hamed¹,

Shaaban²,

Ramadan³

et al. 2017

Grasas y Aceites

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“…One can cite the different studies that were carried out with the lipase from black cumin (Nigella sativa L). Similarly to the castor bean lipase, the Nigella sativa L. lipase is also active in dormant seeds [21]. It was shown that this lipase was an efficient catalyst for many reactions in both the crude and the immobilised form.…”

Section: Potential Applications Of Plant Lipasesmentioning

confidence: 98%

Plant lipases and their applications in oils and fats modification

Villeneuve

2003

Euro J Lipid Sci & Tech

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“…Ustun et al, 1990;Dandik and Aksoy, 1992;Abdel-Aal and Attia, 1993;Nergiz and Otles, 1993;Dandik and Aksoy, 1996;El-Dhaw and Abdel-Munaem, 1996;Takruri and Damed, 1998;Ustun et al, 1998;Abu Jadayil, 1999;Ali and Blunden, 2003;Atta, 2003;Nickavar et al, 2003;Ramadan and Mörsel, 2003;Ramadan and Mörsel, 2004;Al-Saleh et al, 2006;Ashraf et al, 2006;Cheikh-Rouhou et al, 2007. Their finding also suggests that it contains 49.8-50.7% of PUFA, 25.0-26.6% of MUFA while saturated fatty acids only account for 22.7-25.5% of the total oil contents. According to their findings, linoleic, oleic, and palmitic acids were found to be in higher quantities (Nickavar et al, 2003;Ashraf et al, 2006).…”

Section: Introductionmentioning

confidence: 98%

Nigella sativa: Reduces the Risk of Various Maladies

Butt

Sultan

2010

Critical Reviews in Food Science and Nutrition

140

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Coinage of terms like nutraceuticals, functional, and pharma foods has diverted the attention of human beings to where they are seeking more natural cures. Though pharmaceutical drugs have been beneficial for human health and have cured various diseases but they also impart some side effects. Numerous plants have been tested for their therapeutic potential; Nigella sativa, commonly known as black cumin, is one of them. It possesses a nutritional dense profile as its fixed oil (lipid fraction), is rich in unsaturated fatty acids while essential oil contains thymoquinone and carvacrol as antioxidants. N. sativa seeds also contain proteins, alkaloids (nigellicines and nigelledine), and saponins (alpha-hederin) in substantial amounts. Recent pharmacological investigations suggested its potential role, especially for the amelioration of oxidative stress through free radical scavenging activity, the induction of apoptosis to cure various cancer lines, the reduction of blood glucose, and the prevention of complications from diabetes. It regulates hematological and serological aspects and can be effective in dyslipidemia and respiratory disorders. Moreover, its immunopotentiating and immunomodulating role brings balance in the immune system. Evidence is available supporting the utilization of Nigella sativa and its bioactive components in a daily diet for health improvement. This review is intended to focus on the composition of Nigella sativa and to elaborate its possible therapeutic roles as a functional food to prevent an array of maladies.

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The kinetics of hydrolysis ofNigella sativa (black cumin) seed oil catalyzed by native lipase in ground seed

Cited by 33 publications

References 5 publications

Potentials of enhancing the physicochemical and functional characteristics of <em>Nigella sativa</em> oil by using the screw pressing technique for extraction

Potentials of enhancing the physicochemical and functional characteristics of <em>Nigella sativa</em> oil by using the screw pressing technique for extraction

Plant lipases and their applications in oils and fats modification

Nigella sativa: Reduces the Risk of Various Maladies

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