Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization
Domestic food waste and agro-industrial by-products (AIBPs) occurring throughout the food chain, including production, processing, and storage, have become a global sustainability concern. Interestingly, this waste and these by-products contain a significant amount of commercially vital bioactive co...
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| Format: | Article |
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MDPI AG
2025-05-01
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| Series: | Antioxidants |
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| Online Access: | https://www.mdpi.com/2076-3921/14/6/650 |
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| author | Ramesh Kumar Saini Mohammad Imtiyaj Khan Vikas Kumar Xiaomin Shang Ji-Ho Lee Eun-Young Ko |
| author_facet | Ramesh Kumar Saini Mohammad Imtiyaj Khan Vikas Kumar Xiaomin Shang Ji-Ho Lee Eun-Young Ko |
| author_sort | Ramesh Kumar Saini |
| collection | DOAJ |
| description | Domestic food waste and agro-industrial by-products (AIBPs) occurring throughout the food chain, including production, processing, and storage, have become a global sustainability concern. Interestingly, this waste and these by-products contain a significant amount of commercially vital bioactive compounds, including polyphenols and carotenoids. Remarkably, discarded by-products such as fruit and vegetable peels contain more bioactive compounds than edible pulp. Thus, valorizing this waste and these by-products for commercially vital bioactive products can solve their disposal problems and help alleviate climate change crises. Additionally, it can generate surplus revenue, significantly improving food production and processing economics. Interestingly, several bioactive extracts derived from citrus peel, carrot pomace, olive leaf, and grape seed are commercially available, highlighting the importance of agro-food waste and by-product valorization. Considering this background information, this review aims to provide holistic information on major AIBPs; recovery methods of bioactive compounds focusing on polyphenols, carotenoids, oligosaccharides, and pectin; microencapsulation of isolated bioactive for enhanced physical, chemical, and biological properties; and their commercial application. In addition, green extraction methods are discussed, which have several advantages over conventional extraction. The concept of the circular bio-economy approach, challenges in waste valorization, and future perspective are also discussed. |
| format | Article |
| id | doaj-art-83127facc0224dd6947bcb4a16cb1e2f |
| institution | Kabale University |
| issn | 2076-3921 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Antioxidants |
| spelling | doaj-art-83127facc0224dd6947bcb4a16cb1e2f2025-08-20T03:27:15ZengMDPI AGAntioxidants2076-39212025-05-0114665010.3390/antiox14060650Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible UtilizationRamesh Kumar Saini0Mohammad Imtiyaj Khan1Vikas Kumar2Xiaomin Shang3Ji-Ho Lee4Eun-Young Ko5School of Health Sciences and Technology, UPES, Dehradun 248007, IndiaBiochemistry and Molecular Biology Lab, Department of Biotechnology, Gauhati University, Guwahati 781014, IndiaDepartment of Food Science and Technology, Punjab Agricultural University, Ludhiana 141004, IndiaJilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, ChinaSchool of Natural Resources and Environmental Science, Department of Biological Environment, Kangwon National University, Chuncheon 24341, Republic of KoreaSchool of Animal & Food Sciences and Marketing, Konkuk University, Seoul 05029, Republic of KoreaDomestic food waste and agro-industrial by-products (AIBPs) occurring throughout the food chain, including production, processing, and storage, have become a global sustainability concern. Interestingly, this waste and these by-products contain a significant amount of commercially vital bioactive compounds, including polyphenols and carotenoids. Remarkably, discarded by-products such as fruit and vegetable peels contain more bioactive compounds than edible pulp. Thus, valorizing this waste and these by-products for commercially vital bioactive products can solve their disposal problems and help alleviate climate change crises. Additionally, it can generate surplus revenue, significantly improving food production and processing economics. Interestingly, several bioactive extracts derived from citrus peel, carrot pomace, olive leaf, and grape seed are commercially available, highlighting the importance of agro-food waste and by-product valorization. Considering this background information, this review aims to provide holistic information on major AIBPs; recovery methods of bioactive compounds focusing on polyphenols, carotenoids, oligosaccharides, and pectin; microencapsulation of isolated bioactive for enhanced physical, chemical, and biological properties; and their commercial application. In addition, green extraction methods are discussed, which have several advantages over conventional extraction. The concept of the circular bio-economy approach, challenges in waste valorization, and future perspective are also discussed.https://www.mdpi.com/2076-3921/14/6/650food wastevalorizationcarotenoidspolyphenolsmicroencapsulationactive and intelligent packaging |
| spellingShingle | Ramesh Kumar Saini Mohammad Imtiyaj Khan Vikas Kumar Xiaomin Shang Ji-Ho Lee Eun-Young Ko Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization Antioxidants food waste valorization carotenoids polyphenols microencapsulation active and intelligent packaging |
| title | Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization |
| title_full | Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization |
| title_fullStr | Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization |
| title_full_unstemmed | Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization |
| title_short | Bioactive Compounds of Agro-Industrial By-Products: Current Trends, Recovery, and Possible Utilization |
| title_sort | bioactive compounds of agro industrial by products current trends recovery and possible utilization |
| topic | food waste valorization carotenoids polyphenols microencapsulation active and intelligent packaging |
| url | https://www.mdpi.com/2076-3921/14/6/650 |
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