Ultrasonic-assisted extraction and conventional extraction of Silymarin from Silybum marianum seeds; a comparison

I.A. Saleh, Mircea Vinatoru, Timothy J. Mason, N.S. Abdel-Azim, E.A. Aboutabl, F.M. Hammouda

    Research output: Contribution to journalArticle

    10 Citations (Scopus)

    Abstract

    Ultrasonic-assisted extraction was evaluated more effective alternative to conventional maceration extraction method for the extraction of silymarin from Silybum marianum(L.) seeds. Silybum marianum(L.) seeds were extracted under indirect sonication (40 KHz water bath) and direct sonication (20 kHz probe) at different time intervals (15, 30 and 60 min). The ultrasonic-assisted extraction was compared with conventional maceration. Each extract was analysed using high performance liquid chromatography (HPLC) and the concentration of silymarin present was calculated. Results showed that increasing extraction time, increased silymarin content using all extraction methods under study. Direct sonication showed better extraction yields at all time intervals compared to indirect sonication and conventional maceration. The highest silymarin content (61.1 mg/10g of Silybum marianumseeds) was obtained using 20 kHz probe for 60 min extraction time.
    Original languageEnglish
    Pages (from-to)709-717
    JournalResearch Journal of Pharmaceutical Biological and Chemical Sciences
    Volume6
    Issue number2
    Publication statusPublished - 2015

    Bibliographical note

    The full text is available free from the link given. The journal issue page can be found at http://www.rjpbcs.com/2015_6.2.html .

    Keywords

    • silymarin
    • Silybum marianum
    • ultrasonic extraction

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