Journals
I1) Editor, Medicinal and Aromatic Plant Bulletin (TAB Bülteni), 1 (April 1989), 2-3 (November 1989), 4 (July 1990), 5 (May 1991), 6 (December 1991), 7-8 (January 1993), 9 (July 1993), 10 (July 1994), 11 (August 1995), 12 (December 1996), 13-14 (April 1998), 15 (February 2000).
I2) Member of the Scientific Committee, Al Biruniya (Morocco) (1986-)
I3) Member of the International Advisory Board, Medicinal and Aromatic Plant Abstracts (MAPA) (India) (1992-2005)
I4) Member of the Scientific Committee, Khimiya Prirodnych Soedinenii (Chemistry of Natural Compounds) (Uzbekistan) (1993-)
I5) Editor, TRUMAP Newsletter, 1 (Spring 1994)
I6) Member of the Editorial Board, Acta Pharmaceutica Sciencia (formerly Acta Pharmaceutica Turcica) (1994-)
I7) Member of the Advisory Board, Turkish Journal of Botany (1995-)
I8) Member, International Board of Referees, ARKIVOC On-line Journal of Organic Chemistry (2000-)
I9) Member, Editorial Board, Journal of Essential Oil Research (2000-)
I10) Member, Editorial Board, Bioactive Natural Products (2005-)
I11) Member, Advisory Board, G.U. Journal of Science (2005-2008)
I12) Member, Editorial Board , International Journal of Essential Oil Therapeutics (IJEOT) (2007-)
I13) Member, Editorial Board, Records of Natural Products (2007-)
I14) Member, Editorial Board, Turkish Journal of Biology (2008-)
I15) Member, Editorial Board, EurAsian Journal of BioSciences (EJOBIOS) (2007-)
I16) Member, Editorial Board, PHARMEUROPA: The European Pharmacopoeia Forum (2008-)
I17) Member, Editorial Board, Turkish Journal of Pharmaceutical Sciences (2009-)
I18) Member, Editorial Board, Chinese Journal of Natural Medicines (2009-)
I19) Member, Editorial Board, FACTA UNIVERSITATIS: Series Physics, Chemistry and Technology (2010-)
I20) Member, Editorial Board, International Journal of Biotechnology for Wellness Industries (2012-)
I21) Member, Editorial Board, Pharmaceutical Bulletin (Kazakhstan) (2013-)
I22) Editor-in-Chief, Natural Volatiles and Essential Oils (NVEO) (2014-)