First page : [ 1586] Last page : [ 1590] Print ISSN : 0974-3618. Online ISSN : 0974-360X. Article DOI : 10.5958/0974-360X.2021.00280.8
Comparative research of fatty acid composition and volatile components of fatty oils from seeds of Nigella sativa and Argania spinosa
1Department of Pharmacognosy, Botany and Phytotherapy, Samara State Medical University, Ulitsa Chapaevskaya 89, Samara, 443099, Russian Federation
2Research Institute of Hygiene and Human Ecology, Samara State Medical University, Ulitsa Chapaevskaya 89, Samara, 443099, Russian Federation
*Corresponding Author E-mail: Kurkinvladimir@yandex.ru
Online published on 30 April, 2021.
Abstract
The falsification of vegetable oils with similar fatty acid composition is an urgent problem, because the replacement of any ingredient can lead to a change in the pharmacological effects and organoleptic properties. This article discusses the identification and comparing of valuable food and cosmetic black cumin — Nigella sativa L. fatty oils from different countries [Egypt, Pakistan, Saudi Arabia] and argan oil [Argania spinosa [L.] Skeels] from Morocco according to the fatty acid composition and content of volatile components. These oils are expensive and valuable, so falsification can be widespread. The fatty acid composition of fatty oils was studied by gas-liquid chromatography [GC-MS]. We identified 29 components [fatty acids and terpenoids] in black cumin seed oil and 10 fatty acids in argan seed oil. It was established that oleic acid dominates in the fatty acid profile of the fatty oil of argan seeds, in which besides was observed for the first time 11-eicosenoic acid. It was determined that linoleic acid dominates in the fatty acid profile of the fatty oil of black cumin seeds, in which besides was observed for the first time 11-octadecenoic [vaccenic] acid. In addition, there was shown that the fatty oil of black cumin seeds mainly represented by p-cymol [dominant component in the all samples of oil], β-thujene, longifolen, α-pinene, trans-4-methoxythujone and other terpenoids. The results allows us to recommend the fatty acid profile as criteria of quality of black cumin oil and argan oil.
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Argan oil helps rebuild the cuticle membrane of the hair, reinforcing the overall structure of the fiber. Argan oil is bursting with vitamin E, essential fatty acids and other antioxidants known to reduce damage from free radicals, as well as thermal stress, resulting in color longevity.
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What are the ingredients in black argan oil?
Water, Cetearyl Alcohol, Dimethicone, Cyclopentasiloxane, Adansonia Digitata Seed Oil, etc.