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

Ciocarlan Alexandru; Dragalin Ion; Aricu Aculina; Ciocarlan Nina; Stavarache Cristina; Deleanu Mariana

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547.915:543.544 (1)

Chimie organică (484)

Metode fizico-chimice de analiză (altele decât metodele optice) (59)

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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. DOI: https://doi.org/10.19261/cjm.2018.484

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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

DOI:https://doi.org/10.19261/cjm.2018.484

CZU: 547.915:543.544

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. Nenitzescu" Centre of Organic Chemistry, Romanian Academy,
⁴ University of Agronomical Sciences and Veterinary Medicine Bucharest

Disponibil în IBN: 7 iulie 2018

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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

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