فهرس المقالات Afshin Jafarpour المقاله 1 - The effect of aqueous and ethanolic extract of Hollyhock black (<i>Alcea rosea</i>) on physicochemical and antioxidant properties of ketchup sauce Elham Yourdkhani Afshin Jafarpour Food and Health , العدد 4 , السنة 4 , تابستان 2021