...Nombulelo Zulu; Eugenie Kayitesi; Opeolu M. Ogundele Purpose The effect of the addition of red palm olein (RPO) as a natural antioxidant to sunflower (SF) on chemical properties and deep-frying oxidative stability of resultant oil during storage. Design/methodology/approach RPO was added to SF...

...Ebrahim Ahmadi; Mohammad Mosaferi; Leila Nikniaz; Jafar Sadegh Tabrizi; Mohammad Asghari Jafarabadi; Gholamhoseyn Safari; Mina Bargar Purpose The purpose of this paper is to investigate the quality of the frying oil used in restaurants, fast food establishments, and confectionary stores...