Phenolic profile and in vitro antioxidant power of different milkthistle [Silybum marianum (L.) Gaertn.] cultivars

Luigi Lucini, Erminio Trevisi, Marco Pellizzoni, Annarita Ferrari, David Kane, Gabriela Ruzickova, Derya Arslan

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

32 Citazioni (Scopus)


Milk thistle (Silybum marianum (L.) Gaertn.) is a rich source of phytochemical compounds exhibiting functional roles in plant metabolism and nutraceutical effects on human health. The aim of the present work was to characterize the phytochemical and antioxidant profiles of the achenes from fifteen different genotypes of milk thistle, by measuring the total phenolics, flavonoids and flavonols content as well as antioxidant capacity. In addition, selected individual phenolic compounds were determined by liquid chromatography tandem mass spectrometry. The majority of polyphenols in milk thistle were composed of chlorogenic acid and the flavonolignan silybin. Significant differences were identified between cultivars for total antioxidant capacity and for all tested classes of compounds. Genotypes 1 and 2 had the highest total phenolics and flavonoids content, as well as the strongest antioxidant activity. Genotype 8 contained high levels of caffeic acid, 10–15 times greater than values obtained for the other genotypes. Antioxidant capacity was mainly correlated to total phenolics and flavonoids, rather than to single compounds. The study pointed out the important role of milk thistle genetic background on the actual chemical and antioxidant profiles of milk thistle achenes.
Lingua originaleEnglish
pagine (da-a)11-16
Numero di pagine6
RivistaIndustrial Crops and Products
Stato di pubblicazionePubblicato - 2015


  • flavinolignans
  • phenylpropanoids
  • radical scavengers
  • silymarin


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