Chromatographic analysis of Silybum marianum (L.) gaertn. fatty oil
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547.915:543.544 (1)
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CIOCARLAN, Alexandru; DRAGALIN, Ion; ARICU, Aculina; CIOCARLAN, Nina; STAVARACHE, Cristina; DELEANU, Mariana. Chromatographic analysis of Silybum marianum (L.) gaertn. fatty oil. In: Chemistry Journal of Moldova. 2018, nr. 1(13), pp. 63-68. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 1(13) / 2018 / ISSN 1857-1727 /ISSNe 2345-1688

Chromatographic analysis of Silybum marianum (L.) gaertn. fatty oil


CZU: 547.915:543.544
DOI: 10.19261/cjm.2018.484
Pag. 63-68

Ciocarlan Alexandru1, Dragalin Ion1, Aricu Aculina1, Ciocarlan Nina2, Stavarache Cristina3, Deleanu Mariana4
 
1 Institute of Chemistry of the Academy of Sciences of Moldova,
2 Botanical Garden (Institute) of the Academy of Sciences of Moldova ,
3 "C.D. Nenitescu" Centre of Organic Chemistry, Romanian Academy,
4 University of Agronomical Sciences and Veterinary Medicine Bucharest
 
Disponibil în IBN: 7 iulie 2018


Rezumat

The present paper describes biochemical (fatty oil) composition of Silybum marianum (L.) Gaertn. of Moldovan origin. The oil content of the seeds was approximately 25%. Linoleic acid (C18:2), an essential polyunsaturated fatty acid, is the most abundant (48.88%), followed by monounsaturated oleic acid (C18:1, 31.94%) and saturated palmitic acid (C16:0, 7.61%). Also, saturated stearic (C18:0, 4.31%), arachidic (C20:0, 2.63% and behenic acid (C22:0, 2.30%) were identified. The minor fatty acids are represented by saturated myristic (14:0, 0.09%) and margaric acid, (17:0, 0.07%), monounsaturated eicosenoic (C20:1, 0.99%), palmitoleic (C16:1, 0.07%) and erucic acid (C22:1, 0.08%). The RP-HPLC analysis of tocopherols composition showed the main components: α-tocopherol (23.45 mg/100g) and γ-tocopherol (5.60 mg/100g). Based on the obtained results, the extracted oil from milk thistle seeds is rich in essential fatty acids (about 50%) and tocopherols (29.09 mg/100g) and it can be used in food preparation.  

Cuvinte-cheie
Silybum marianum fatty oil, GC analysis, fatty acids methyl ester, RP-HPLC analysis, α-tocopherol