Author biographies Maria Theron is a full-time researcher in the Unit for Applied Food Science and Biotechnology (UAFSB)at the Central University of Technology (CUT),Free State in Bloemfontei South Africa.She holds a PhD in med- ogy m the Uni of the nte(UFS medical sci .She wrked sity and lecturer in th Faculty of Health Sciences at the UFS from 1984-2004,her research focusing on antimicrobial resistance develop- ment in anaerobic bacteria.In 2005 she entered the food arena,but her research focus remained on antimi- crobial activity and efficacy ("differ- ent song,same tune").She is currently steering a project on "Organic Acids as Antimicrobials in Food Preservation"within the research niche reaECB funded by the National Research Foundation (NRF) outh xxi xxi Author biographies Maria Theron is a full-time researcher in the Unit for Applied Food Science and Biotechnology (UAFSB) at the Central University of Technology (CUT), Free State in Bloemfontein, South Africa. She holds a PhD in med￾ical microbiology from the University of the Free State (UFS). She worked as medical scientist and lecturer in the Faculty of Health Sciences at the UFS from 1984–2004, her research focusing on antimicrobial resistance develop￾ment in anaerobic bacteria. In 2005, she entered the food arena, but her research focus remained on antimi￾crobial activity and efficacy (“differ￾ent song, same tune”). She is currently steering a project on “Organic Acids as Antimicrobials in Food Preservation” within the research niche area of the UAFSB, funded by the National Research Foundation (NRF) of South Africa