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Recent Advances in Quality, Safety and Sensory Analyses of Vegetable Food Products

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Food Science and Technology".

Deadline for manuscript submissions: 20 October 2026 | Viewed by 505

Special Issue Editors


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Guest Editor
1. Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
2. Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Interests: table olives; new products development; post-harvest technologies; shelf-life prediction
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
2. Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Interests: olive oil; table olives and olive by-products: quality control; chemical characterization and sensory analysis; use of electronic tongues in food science and technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The application of non-conventional technologies or the use of different raw materials in the processing of vegetable food products seeks to respond to consumers’ needs and desires. There is an increasing demand for foods with distinct characteristics and superior quality that are also safe, highly nutritious, and minimally processed. Furthermore, it is necessary to apply circular economy principles by reducing waste and valuing the by-products generated during processing by developing new products and applications.

Thus, non-conventional technologies aim to obtain products that either preserve or do not negatively alter the physio-chemical, biological, and sensory characteristics of foods. The use of different raw materials, as well as the safety and economic viability of the applied technologies and products obtained, are equally important topics.

Special attention will be paid to the following topics:

  • High hydrostatic pressure;
  • Supercritical fluids;
  • Ultrasound;
  • Atmospheric cold plasma;
  • Ultraviolet radiation;
  • Irradiation;
  • Microwaves;
  • Joule heating and pulsed electric fields;
  • Intelligent packaging/active packaging;
  • Use of different/alternative raw materials.

Dr. Elsa Cristina Dantas Ramalhosa
Dr. Nuno Rodrigues
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • non-conventional technologies
  • alternative raw materials
  • physical–chemical properties
  • biological properties
  • sensory analysis
  • food safety
  • shelf life

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Published Papers (1 paper)

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Research

22 pages, 2139 KB  
Article
A Pilot-Scale Industrial Study to Enhance Natural Fermentation of Table Olives (Negrinha de Freixo cv.) by Red LED Irradiation and Brine Recirculation
by Halima Khelifa, Elsa Ramalhosa, Nuno Rodrigues, Ana Guedes Araújo, Alexandre Gonçalves, Ermelinda Silva, Ermelinda L. Pereira, David Marques, Teófilo Ferreira, Maria Filomena F. Barreiro and Pedro J. L. Crugeira
Appl. Sci. 2026, 16(8), 3733; https://doi.org/10.3390/app16083733 - 10 Apr 2026
Viewed by 247
Abstract
For the first time, red LED irradiation was applied at pilot scale in the table olive industry to evaluate its influence on Negrinha de Freixo cultivar natural fermentation. Physicochemical parameters, microbial dynamics, and sensory attributes were evaluated between 60 and 95 days, with [...] Read more.
For the first time, red LED irradiation was applied at pilot scale in the table olive industry to evaluate its influence on Negrinha de Freixo cultivar natural fermentation. Physicochemical parameters, microbial dynamics, and sensory attributes were evaluated between 60 and 95 days, with two irradiation periods (60–70 and 85–95 days). Three conditions were examined: control-static, pumping-brine recirculation, and LED-brine recirculation + red light exposure. Color or texture was not affected. The lowest pH values were consistently observed in the LED-treated samples. Total phenolic compounds in olives showed a slight decrease from 60 to day 95; however, significant differences were only detected between the pumping treatment and the other two conditions. At the end of the first LED irradiation period, a growth of lactic acid bacteria and aerobic mesophilic bacteria was observed in the order of log 1.0 CFU/mL in the brine, and the yeast count (log 1.4 CFU/g) and LAB (log 1.2 CFU/g) in the olives relative to the control, while the second irradiation period did not show a significant effect. Sensory analysis revealed that LED- irradiated olives exhibited the highest hardness (5.6) values, whereas control samples presented the highest perception of putrid defect. Overall, the results demonstrate that red LED photostimulation may be promising for application in the table olive industry. Full article
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