Biotechnological Production from Agro-Foods and Food By-Products

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Biotechnology".

Deadline for manuscript submissions: 10 August 2026 | Viewed by 960

Special Issue Editors


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Guest Editor
Department of Pedotechnics, Faculty of Agriculture, “Ion Ionescu de La Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700489 Iasi, Romania
Interests: valorization of agri-food waste; extraction and characterization of bioactive compounds; emerging extraction technologies; encapsulation in biopolymer matrices; development of functional and value-added food products; sustainable food processing

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Guest Editor
Department of Food Technologies, Faculty of Agriculture, ”Ion Ionescu de la Brad” University of Life Sciences, 700489 Iasi, Romania
Interests: Her research focuses on advanced food-science analytics (UV–Vis spectrophotometry and enzymatic assays) applied to the quality control and authentication of foods, with particular emphasis on dairy products. She investigates the valorisation of agro-industrial by-products to improve sustainability and consumer health within a circular-economy framework. She develops and optimises advanced extraction methods for bioactive compounds—particularly ultrasound-assisted extraction of carotenoids from agri-food waste—and designs functional ingredients, integrating bioactives into innovative food products.
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Guest Editor
Faculty of Food Science and Engineering, Dunarea de Jos" University of Galati, Galati, Romania
Interests: biologically active compound extraction and characterization; degradation and inactivation kinetics of biological active compounds; encapsulation techniques; food authentication
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The agro-food sector generates substantial quantities of by-products and residues throughout processing, many of which remain underutilized despite their rich content of valuable bioactive compounds, nutrients and functional ingredients. In recent years, growing concerns regarding sustainability, food security and environmental impact have driven increased interest in the biotechnological valorization of agro-foods and food by-products. Modern biotechnological approaches offer innovative, efficient and environmentally friendly solutions to convert these materials into high-value products, thereby supporting circular economy principles.

This Special Issue focuses on new developments in biotechnological methods used for raw materials from agriculture and food waste, such as green extraction technologies, fermentation, encapsulation, enzyme-assisted processes, microbial bioconversion and new bioengineering techniques. Emphasis is placed on the recovery and application of bioactive compounds, functional ingredients, biopolymers, natural colorants, the formulation of value-added food products and nutraceuticals, as well as the improvement of process efficiency, product stability and scalability.

We invite original research articles, reviews and short communications that address innovative biotechnological solutions contributing to sustainable food systems, waste reduction and value-added product development. By bringing together interdisciplinary research, this Special Issue seeks to foster knowledge exchange and promote practical applications that bridge science, industry and sustainability goals.

We look forward to your valuable contributions.

Dr. Florina Stoica
Dr. Roxana Nicoleta Rațu
Prof. Dr. Gabriela Rapeanu
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. Foods 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 2900 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

  • agro-food by-products
  • biotechnology
  • valorization
  • circular economy
  • bioactive compounds
  • green extraction
  • sustainable food systems
  • food waste utilization
  • functional ingredients

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Published Papers (1 paper)

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Review

31 pages, 2616 KB  
Review
Agri-Food By-Products in Dairy Sector a Review Focused on Phytochemicals, Extraction Methods Health Benefits and Applications
by Roxana Nicoleta Ratu, Florina Stoica, Bianca Andreea Balint, Ionuț Dumitru Veleșcu, Ioana Cristina Crivei, Sebastian-Paul Lucaci, Florin Daniel Lipșa and Gabriela Râpeanu
Foods 2026, 15(7), 1266; https://doi.org/10.3390/foods15071266 - 7 Apr 2026
Viewed by 667
Abstract
The expansion of the global agri-food industry has led to the generation of large volumes of processing by-products that, although traditionally treated as waste, represent valuable sources of bioactive phytochemicals with potential for sustainable valorisation. This review critically examines the integration of fruit, [...] Read more.
The expansion of the global agri-food industry has led to the generation of large volumes of processing by-products that, although traditionally treated as waste, represent valuable sources of bioactive phytochemicals with potential for sustainable valorisation. This review critically examines the integration of fruit, vegetable, cereal, and dairy processing side streams into functional dairy products. Particular attention is given to recent advances in green and emerging extraction technologies, including ultrasound-assisted extraction, microwave-assisted extraction, and supercritical fluid extraction, with emphasis on their efficiency, environmental performance, and effects on the stability and recovery of phytochemicals. The review also discusses the health-related properties of these bioactive compounds, including antioxidant, anti-inflammatory, and metabolic regulatory effects, in relation to their incorporation into milk, yogurt, cheese, and ice cream matrices. In addition, key barriers to industrial implementation are assessed, including compound stability, sensory constraints, bioavailability, and current regulatory limitations. Beyond direct fortification, the review also considers broader valorisation pathways, such as the biotechnological production of microbial enzymes from agro-industrial biomass, as relevant strategies for supporting circularity. Overall, this review highlights how sustainable extraction approaches and functional dairy innovation can contribute to improving the nutritional value, resource efficiency, and circularity of the dairy sector. Full article
(This article belongs to the Special Issue Biotechnological Production from Agro-Foods and Food By-Products)
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