New Horizons in the Synthesis, Recovery and Application of Bioactive Compounds Using Eco-Friendly Approaches

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Nutraceuticals, Functional Foods, and Novel Foods".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 988

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Faculty of Technology, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
Interests: applied chemistry; chemistry of natural products; food chemistry; biologically active compounds; free radicals; antioxidants; encapsulation
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Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via Celoria 2, 20133 Milano, Italy
Interests: valorization of food waste; food quality; functional foods; antioxidants; heat damage; optimization of food processing and food products
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Special Issue Information

Dear Colleagues,

In recent years, there has been a growing interest in bioactive compounds such as pigments, minerals, polysaccharides, organic acids, dietary fibres, sugars, lipids, vitamins, protein hydrolysates and phytochemicals (polyphenols and carotenoids), serving not only as nutrients but also as natural additives and functional food ingredients with many beneficial health effects. Advances in their synthesis and/or extraction from plants have mostly been encouraged by the twelve principles of green chemistry, where three of them concern the use of solvents, safer reaction conditions, and waste prevention. The toxic and volatile nature of many organic solvents commonly used in the recovery of plant bioactive compounds have raised concerns about the environment and human health, thus stimulating innovations in extraction techniques.

This Special Issue focuses on new horizons in the synthesis, recovery and application of bioactive compounds using eco-friendly approaches, including emerging extraction technologies, process optimization studies, and nutritive, functional, and pharmacological profiling toward the comprehensive utilization of bioactive compounds within the food industry.

Dr. Vanja Travičić
Dr. Alyssa Hidalgo
Guest Editors

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Keywords

  • bioactive compounds
  • cloud point extraction
  • environmentally friendly approaches
  • functional food
  • germination
  • green solvents
  • health-promoting properties
  • natural antioxidants
  • plant extracts
  • sprouting

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Published Papers (1 paper)

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Research

21 pages, 2472 KiB  
Article
Sustainable Recovery of Polyphenols and Carotenoids from Horned Melon Peel via Cloud Point Extraction
by Vanja Travičić, Teodora Cvanić, Senka Vidović, Lato Pezo, Alyssa Hidalgo, Olja Šovljanski and Gordana Ćetković
Foods 2024, 13(18), 2863; https://doi.org/10.3390/foods13182863 - 10 Sep 2024
Viewed by 610
Abstract
Using natural plant extracts as food additives is a promising approach for improving food products’ quality, nutritional value, and safety, offering advantages for both consumers and the environment. Therefore, the main goal of this study was to develop a sustainable method for extracting [...] Read more.
Using natural plant extracts as food additives is a promising approach for improving food products’ quality, nutritional value, and safety, offering advantages for both consumers and the environment. Therefore, the main goal of this study was to develop a sustainable method for extracting polyphenols and carotenoids from horned melon peel using the cloud point extraction (CPE) technique, intending to utilize it as a natural food additive. CPE is novel promising extraction method for separation and pre-concentration of different compounds while being simple, inexpensive, and low-toxic. Three parameters within the CPE approach, i.e., pH, equilibrium temperature, and equilibrium time, were investigated as independent variables through the implementation of Box–Behnken design and statistical analyses. The optimized conditions for the maximum recovery of both polyphenols and carotenoids, reaching 236.14 mg GAE/100 g and 13.80 mg β carotene/100 g, respectively, were a pH value of 7.32, an equilibrium temperature of 55 °C, and an equilibrium time of 43.03 min. The obtained bioactives’ recovery values under the optimized conditions corresponded to the predicted ones, indicating the suitability of the employed RSM model. These results highlight the effectiveness of CPE in extracting bioactive compounds with varying polarities from agricultural by-products, underscoring its potential for enhancing the value of food waste and advancing sustainable practices in food processing. According to microbiological food safety parameters, the optimal CPE extract is suitable for food applications, while its storage under refrigerated and dark conditions is particularly beneficial. The CPE extract’s enhanced stability under these conditions makes it a more viable option for long-term storage, preserving both safety and quality. Full article
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