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:: Volume 21, Issue 2 (Summer 2026) ::
Iranian J Nutr Sci Food Technol 2026, 21(2): 43-54 Back to browse issues page
Design of a Hybrid Nanofilter for the Reduction of Polycyclic Aromatic Hydrocarbons in Smoked Rice
A Fallah , M Farhoodi * , B Ghiassi Tarzi , G Asadi
Professor, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences, Food Science and Technology, Shahid Beheshti University of Medical Sciences, Iran , farhoodi@sbmu.ac.ir
Abstract:   (7 Views)
Background and Objectives: The smoking process of rice is a traditional and widely used method that may lead to the formation of carcinogenic polycyclic aromatic hydrocarbons (PAHs). This study aimed to design and develop a nanofilter as an innovative and effective approach to reduce contaminants in smoked food products.
Materials and Methods: In this study, a specialized nanofilter made of cellulose acetate was developed, featuring a porous and adsorptive structure. Bentonite nanoclay was incorporated into the nanofilter at concentrations ranging from 0.5% to 1.5% by weight.
Results: Experimental findings demonstrated that the addition of bentonite nanoparticles to the cellulose acetate nanofilter significantly enhanced properties such as mechanical strength, water contact angle, and porosity. The nanofilter structure exhibited a uniform and well-organized distribution of nanoparticles. Analysis of PAH adsorption showed that the hybrid nanofilter effectively reduced polycyclic aromatic compounds during the 21-day rice smoking period. Moreover, assessments conducted over multiple filtration and washing cycles indicated that the nanofilter maintained desirable reusability in terms of performance, removal efficiency, and porosity.
Conclusion: Overall, this study suggests that nanofilters represent a promising and innovative solution for reducing contaminants in smoked food products.
Keywords: Nanofilter, Cellulose acetate, Smoked rice, Polycyclic aromatic hydrocarbons, Carcinogens
Full-Text [PDF 1182 kb]   (3 Downloads)    
Article type: Research | Subject: Food Science
Received: 2025/07/23 | Accepted: 2025/12/28 | Published: 2026/07/1
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Fallah A, Farhoodi M, Ghiassi Tarzi B, Asadi G. Design of a Hybrid Nanofilter for the Reduction of Polycyclic Aromatic Hydrocarbons in Smoked Rice. Iranian J Nutr Sci Food Technol 2026; 21 (2) :43-54
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Volume 21, Issue 2 (Summer 2026) Back to browse issues page
Iranian Journal of  Nutrition Sciences and Food  Technology
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