List of Articles Antioxidant Open Access Article Abstract Page Full-Text 1 - The effect of aqueous and ethanolic extract of Hollyhock black (Alcea rosea) on physicochemical and antioxidant properties of ketchup sauce Elham Yourdkhani Afshin Jafarpour Open Access Article Abstract Page Full-Text 2 - Physical Properties of Microencapsulation of Echium amoenum.L and Altaea rosea var nigra Extract Prepared by Freeze Dryer Method Mahshid Zamankhani Sohrab Moeini Peyman Mahasti Shotorbani Hossein MirsaeedGhazi Afshin Jafarpour Open Access Article Abstract Page Full-Text 3 - Study of the Effect of Quinoa Flour and Gellan Gum Replacement on the Physicochemical and Organoleptic Properties of Low-Fat Hamburgers Maryam Shariat Hamed Ahari Shadi Mahdikhani Sima Moradi Seyed Amir Ali Anvar