Volume 46, Issue 9 e16940
ORIGINAL ARTICLE

Dielectric properties analysis of dough and further microwave baking for cookies

Mónica Giovanna Gutiérrez-Cárdenas

Mónica Giovanna Gutiérrez-Cárdenas

Posgrado en Biociencias, Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato, Mexico

Contribution: ​Investigation, Methodology

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Tejinder Kaur

Tejinder Kaur

Departamento de Ingeniería Electrónica, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato, Salamanca, Mexico

Contribution: Methodology, Software

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Alonso Corona-Chávez

Alonso Corona-Chávez

Departamento de Electrónica, Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico

Contribution: Resources, Software, Writing - review & editing

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José Luis Olvera-Cervantes

José Luis Olvera-Cervantes

Departamento de Electrónica, Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico

Contribution: Funding acquisition, Writing - review & editing

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Julián Andrés Gómez-Salazar

Julián Andrés Gómez-Salazar

Posgrado en Biociencias, Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato, Mexico

Contribution: Data curation, Software, Writing - review & editing

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Roberto Rojas-Laguna

Corresponding Author

Roberto Rojas-Laguna

Departamento de Ingeniería Electrónica, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato, Salamanca, Mexico

Correspondence

María Elena Sosa-Morales, Posgrado en Biociencias, Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato, Guanajuato 36500, Mexico.

Email: [email protected]

Roberto Rojas-Laguna, Departamento de Ingeniería Electrónica, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato. Carretera Salamanca-Valle de Santiago km 3.5 + 1.8, Comunidad Palo Blanco, Salamanca, Gto., 36600 Mexico

Email: [email protected]

Contribution: Data curation, ​Investigation, Supervision, Validation

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María Elena Sosa-Morales

Corresponding Author

María Elena Sosa-Morales

Posgrado en Biociencias, Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato, Mexico

Correspondence

María Elena Sosa-Morales, Posgrado en Biociencias, Departamento de Alimentos, División de Ciencias de la Vida, Campus Irapuato-Salamanca, Universidad de Guanajuato, Irapuato, Guanajuato 36500, Mexico.

Email: [email protected]

Roberto Rojas-Laguna, Departamento de Ingeniería Electrónica, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato. Carretera Salamanca-Valle de Santiago km 3.5 + 1.8, Comunidad Palo Blanco, Salamanca, Gto., 36600 Mexico

Email: [email protected]

Contribution: Conceptualization, Funding acquisition, Project administration, Supervision, Writing - original draft

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First published: 23 July 2022
Citations: 6

Abstract

Microwave heating is gaining relevance for cooking processes with faster heating speeds, shorter processing times, and lower environmental impact than traditional heating (gas or electric ovens for bakery products). Dielectric properties of cookies dough (16.9% moisture content and 19.5% fat content, w.b., density of 650 kg/m3) were analyzed for temperature (18–80°C) and microwave frequency (0.5–2.5 GHz). The penetration depth was calculated, and with the obtained results, the maximum thickness values for the cookies were 1.61 and 0.73 cm for 915 and 2450 MHz, respectively, to ensure enough wave penetration. The dough was cut into 8 -cm-diameter and 0.7 -cm-thickness pieces and MW baked at 360 W for 1.5 min. MW-baked cookies were compared with cookies from the same dough baked in an electric oven at 160°C for 12 min, being similar. MW baking time was shorter, which means the method has potential for this kind of dough.

Practical applications

DPs are key factors in developing processes, simulation, and modeling employing MW heating. The MW process time is short and produces a lower environmental impact than conventional baking. MW ovens at the industrial level are available in the market to scale up the assays at the lab level (2450 MHz and small amounts). For this kind of dough, the possibility of getting MW-baked cookies is real.

CONFLICT OF INTEREST

The authors have declared no conflicts of interest for this article.

DATA AVAILABILITY STATEMENT

Data sharing not applicable to this article as no datasets were generated or analysed during the current study

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