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Extraction and Applications of Bioactive Compounds for 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: closed (20 November 2024) | Viewed by 1066

Special Issue Editors


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Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology POLITEHNICA Bucharest, 1-7 Gheorghe Polizu Street, District 1, 011061 Bucharest, Romania
Interests: food; toxicology; natural products; phytochemistry; bioactive substances; antioxidants; volatile oils; chromatography; mass spectrometry; UV–Vis spectroscopy; infrared spectroscopy; environmental chemistry
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
National Institute of Research and Development for Food Bioresources - IBA Bucharest, 6 Dinu Vintila St., 021102 Bucharest, Romania
Interests: food science and technology; food biotechnology; nutrition; food quality (food sensory evaluation); flavor compounds; headspace chromatography

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Special Issue Information

Dear Colleagues,

Extracting bioactive compounds from various natural sources and incorporating them into food products has gained significant attention due to their potential health benefits and functional properties. Bioactive compounds are substances found in foods that have biological activity and can positively influence human health beyond basic nutrition. They include polyphenols, flavonoids, carotenoids, vitamins, minerals, peptides, and other phytochemicals. Different extraction processes can be applied but green extraction processes (“supercritical fluid extraction (SFE), subcritical water extraction (SWE), ultrasound-assisted extraction (UAE), and microwave-assisted extraction (MAE)”, among others) should be emphasized in terms of their advantages as well as their challenges (cost efficiency and large-scale application). Best practices in extracting and valorizing bioactive compounds from different agro-food waste/by-products, mostly plant based, should be presented to facilitate greater distribution of the information.

Different applications can be considered to demonstrate the valorization of extracted bioactive compounds: functional foods, nutraceutical supplements, natural food preservatives, colorants and flavor enhancers, and functional ingredients in food processing. Challenges which might be considered include stability (some bioactive compounds are sensitive to light, heat, oxygen, and pH, which can affect their stability during extraction and processing), safety (ensuring the safety of bioactive compounds, especially when extracted from novel sources, is crucial to avoid adverse health effects), and regulatory compliance (regulations regarding the use of bioactive compounds in food products vary by region). Compliance with regulatory standards is necessary to ensure products’ legality and safety.

We welcome the submission of original research articles, literature reviews, short communications, and perspective papers. Contributions to this Special Issue should focus on the broad topic of bioactive compound extraction from natural sources and their applications in creating innovative food products. We are looking forward to receiving your contributions.

Dr. Radu C. Racovita
Dr. Denisa Duta
Prof. Dr. Adriana Dabija
Prof. Dr. Gabriela Rapeanu
Guest Editors

Manuscript Submission Information

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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

  • bioactive compounds
  • green extractions
  • functional foods
  • nutraceuticals
  • flavors
  • colorants

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Published Papers (1 paper)

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Research

14 pages, 4110 KiB  
Article
The Valorization of Coffee By-Products and Waste Through the Use of Green Extraction Techniques: A Bibliometric Analysis
by Beatriz Navajas-Porras, María Castillo-Correa, María D. Navarro-Hortal, Cristina Montalbán-Hernández, Diego Peña-Guzmán, Daniel Hinojosa-Nogueira and Jose M. Romero-Márquez
Appl. Sci. 2025, 15(3), 1505; https://doi.org/10.3390/app15031505 - 1 Feb 2025
Viewed by 494
Abstract
Coffee is one of the most widely consumed beverages worldwide. This has motivated the coffee industry to adopt sustainable practices, with an increased emphasis on environmentally friendly extraction methods. The objective of this study was to explore, through a bibliometric analysis, the identification [...] Read more.
Coffee is one of the most widely consumed beverages worldwide. This has motivated the coffee industry to adopt sustainable practices, with an increased emphasis on environmentally friendly extraction methods. The objective of this study was to explore, through a bibliometric analysis, the identification of influential researchers, institutions, emerging topics, and gaps concerning the valorization of coffee by-products and residues using green extraction techniques. A total of 7306 scientific publications on green extraction were identified, 72 specifically addressing coffee or its by-products. The analysis highlights a focus on innovative green technologies, such as natural deep eutectic solvents, ultrasound-assisted or microwave-assisted extraction. These methods enable the efficient and sustainable extraction of bioactive compounds, including polyphenols, chlorogenic acid, caffeine, with potential applications in food, pharmaceutical, and energy industries. Despite this, research on coffee by-products remains limited, partly due to their use in other applications, such as biochar, animal feed, and construction materials, which do not rely heavily on green technologies. Key contributors to the field include countries such as Spain, Italy, Brazil, and China. This study emphasizes the potential of coffee waste to generate high-value products through sustainable methodologies, identifies noteworthy research and key actors in the field, and underscores the necessity for further innovation and collaboration. Full article
(This article belongs to the Special Issue Extraction and Applications of Bioactive Compounds for Food Products)
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