Article (Scientific journals)
Green Solvent to Substitute Hexane for Bioactive Lipids Extraction from Black Cumin and Basil Seeds
Bourgou, Soumaya; Bettaieb Rebey, Iness; Ben Kaab, Sofiene et al.
2021In Foods
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Keywords :
Nigella sativa; Ocimum basilicum; PUFA; tocopherols; phenolics; green extraction; bio-based solvents; bio-activities
Abstract :
[en] A comparative study of bioactive lipids extraction from black cumin (Nigella sativa L.) and basil (Ocimum basilicum L.) seeds using conventional petroleum-based solvent and green solvent 2-methyltetrahydrofuran (MeTHF) was performed. MeTHF extraction allowed obtaining the highest oil yield in black cumin (34%). Regarding fatty acids composition, linoleic acid (61%) and α-linolenic (78%) were relevant in black cumin and basil green and conventionally extracted oils, respectively. Besides, MeTHF allowed obtaining higher tocopherols and total phenolics contents in black cumin (400 mg/kg of oil and 12 mg EGA/g oil) and basil (317 mg/kg oil and 5 mg EGA/g oil) compared to hexane-extracted ones. The content of major phenolic compounds in the two seed oils, trans-hydroxycinnamic acid, rosmarinic acid, and thymol was enhanced by MeTHF extraction. Furthermore, MeTHF-extracted oils possess stronger antioxidant activities (radical scavenging, total antioxidant, and β-carotene bleaching activities) and high and similar anti-inflammatory capacity to hexane-extracted oils. In conclusion, the results revealed that MeTHF is efficient to replace hazardous solvents to extract oil from black cumin and basil seeds rich in compounds relevant to the human diet, including essential polyunsaturated fatty acids (n-6 and n-3), tocopherols, and phenolic compounds with improved biological activities.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Chemistry
Author, co-author :
Bourgou, Soumaya
Bettaieb Rebey, Iness
Ben Kaab, Sofiene
Hammami, Majdi
Dakhlaoui, Sarra
Sawsen, Selmi
Msaada, Kamel
Isoda, Hiroko
Ksouri, Riadh
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Language :
English
Title :
Green Solvent to Substitute Hexane for Bioactive Lipids Extraction from Black Cumin and Basil Seeds
Publication date :
28 June 2021
Journal title :
Foods
eISSN :
2304-8158
Publisher :
MDPI AG, Switzerland
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 June 2021

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