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Gábor Hirka

0000-0002-8546-7448

Publications (2)

An In-vitro Assessment of the Genotoxic Potential of In-Shell Nut Ingredients According to OECD Genotoxicity Guidelines 471 and 487

Roland Laux, Tatiana Avellaneda, Paula Colon Bolea, Gábor Hirka, Roy Hoffmans, Yaschar Kabiri, Györgyi Kovács, Sophie Pecquet, Shahrzad Tafazoli, Adél Vértesi, Christian Zimmermann, Tilo Hühn & Hans Verhagen · European Journal of Nutrition & Food Safety · 2026

Aims: In vitro genotoxicity of three shell-comprising nut ingredients, i.e., Almond Solids from roasted in-shell Almonds (Almond Solids), Almond Liquid Extract from roasted in-shell Almonds (Almond Liquid Extract) and Peanut Paste from roasted in-shell Peanuts (Peanut Paste) was...

Open access Research Article 10.9734/ejnfs/2026/v18i31988

Testing of a Standardized Extract of Sceletium tortuosum (Zembrin®) According to OECD Genotoxicity Guidelines 471, 487 and 474

Hans Verhagen, Erzsébet Béres, Stella Fekete, Adél Vértesi, Gábor Hirka, Ralph Tettey-Amlalo & Henk FJ Hendriks · European Journal of Nutrition & Food Safety · 2025

Aims: The genotoxic safety of the extract Zembrin® of the medicinal plant S. tortuosum was evaluated. Sceletium tortuosum (L.) N.E.Br. (S. tortuosum) is a succulent plant found in South Africa. Whereas the number of toxicological evaluations of Zembrin® is limited, the purpose of...

Open access Research Article 10.9734/ejnfs/2025/v17i71777