List of Articles I. Demirtas Article 1 - Extraction, purification, characterization and antioxidant activities of heat-resistance phenolic compounds from lemon pulp 20.1001.1.25883623.2017.1.4.3.0 Yasar Ipek Tevfik Ozen Ibrahim Demirtas Trends in Phytochemical Research , Issue 4 , Year , Autumn 2017 Article 2 - Chemical constituents, quantitative analysis and insecticidal activities of plant extract and essential oil from <i>Origanum onites</i> L. 20.1001.1.25883623.2018.2.2.4.4 Ramazan Erenler Ibrahim Demirtas Tunay Karan Fatih Gul Omer Kayir Omer Karakoc Trends in Phytochemical Research , Issue 2 , Year , Spring 2018