Cited by 482Phytochemicals and Antioxidant ActivitiesAgricultural and Biological ResearchProtein Hydrolysis and Bioactive Peptides

Bioactives from Agri-Food Wastes: Present Insights and Future Challenges

Open access
Ben-Othman, Sana, Jõudu, Ivi, Bhat, Rajeev·2020·Molecules

Abstract

Sustainable utilization of agri-food wastes and by-products for producing value-added products (for cosmetic, pharmaceutical or food industrial applications) provides an opportunity for earning additional income for the dependent industrial sector. Besides, effective valorisation of wastes/by-products can efficiently help in reducing environmental stress by decreasing unwarranted pollution. The major focus of this review is to provide comprehensive information on valorisation of agri-food wastes and by-products with focus laid on bioactive compounds and bioactivity. The review covers the bioactives identified from wastes and by-products of plants (fruits, exotic fruits, vegetables and seeds), animals (dairy and meat) and marine (fish, shellfish seaweeds) resources. Further, insights on the present status and future challenges of sustainably utilizing agri-food wastes/by-products for value addition will be highlighted.

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Crossref · 10.3390/molecules25030510

Cites

174 of 175 references verified0 citation errors · 0 not checkable

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  • Residues from the agro and food industry end up most often in landfills, significantly contributing to global pollution by producing methane and greenhouse gas emissions.

    “Unfortunately, residues end up most often in landfills, significantly contributing to global pollution levels by producing significant amounts of methane, which consequently leads to greenhouse gas emissions [52,53,58,64,65].”

    From Use of Waste from the Food Industry and Applications of the Fermentation Process to Create Sustainable Cosmetic Products: A Review (2024) · cites this paper as [65]

    The Introduction (page unavailable) says that most agri-food wastes have been used as fuel, livestock feed, or organic fertilizer, contrary to the claim that they most often end up in landfills. It describes environmental impacts but does not link them to landfill methane emissions. (LLM, conf=0.82)

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  • As a result of biotechnological transformations of waste from the food industry, various products such as biofuels, biomass, biofertilizers, biosorbents, and value-added components can be produced via anaerobic digestion, fermentation, and composting technologies.

    “As a result of biotechnological transformations of waste from the food industry, various products such as biofuels, biomass, biofertilizers, biosorbents, and value-added components can be produced via anaerobic digestion, fermentation, and composting technologies [64,65,72].”

    From Use of Waste from the Food Industry and Applications of the Fermentation Process to Create Sustainable Cosmetic Products: A Review (2024) · cites this paper as [65]

    Section 2 says fruit-processing waste can be composted into biofertilizers or used as biomass for biofuels, while the Introduction lists bioethanol and other value-added products. Section 3.1 also describes fermentation of cauliflower by-products to improve phenolic extraction. The cited paper does not substantiate the claimed production of biosorbents or the use of anaerobic digestion. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • In non-edible parts of fruits (peels or twigs), the content of bioactive compounds such as polyphenols is often higher than in the edible parts (pulp).

    “In the non-edible parts of fruits (peels or twigs), the content of bioactive compounds, such as polyphenols, is often higher than in the edible parts (pulp) [65,73].”
  • Bioactive compounds isolated from animal-based waste are mainly peptides.

    “Bioactive compounds isolated from animal-based waste include mainly peptides.”
  • Bioactives can be obtained from fish and shellfish processing and from seaweeds.

    “In the marine sector, bioactives could be obtained from fish and shellfish processing, as well as from seaweeds [65,142,143].”

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Cites

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Research works printed but not linked: 2

  1. [1]Bhat R. Sustainability Challenges in Agro-Food Sector Wiley Blackwell Publishers West Sussex, UK 2017 720
  2. [75]Raluca B. Sofia T. Ioana D. Oana S. Rodica-Mariana I. Antioxidant activity and phytochemical compounds of snake fruit (Salacca Zalacca) IOP Conference Series: Materials Science and Engineering IOP Publishing Bristol, UK 2016 133

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Authors
Ben-Othman, S., Jõudu, I., & Bhat, R.
Affiliations
  • ERA Chair for Food (By-) Products Valorisation Technologies of the Estonian University of Life Sciences (VALORTECH), Estonian University of Life Sciences, Fr.R.Kreutzwaldi 56/5, 51006 Tartu, Estonia
  • Estonian University of Life Sciences (EE)
Corresponding author
Bhat, Rajeev
Venue
Molecules
Publisher
MDPI AG
Published
2020-01-24
Volume
25
Issue
3
Pages
510
ISSN
1420-3049 (ISSN-L)
OpenAlex
W3002753355
Cited by
482
References
175
Citations by year
2026: 47 · 2025: 84 · 2024: 92 · 2023: 93 · 2022: 80 · 2021: 58 · 2020: 28
FWCI
5.63
Type
journal article
Language
en
Open access
Locations
  • Molecules (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • EMU DSpace (submittedVersion, cc-by)
Funders
Horizon 2020 (810630)
Topics
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Hydrolysis and Bioactive Peptides
Keywords
bioactive compounds, biological activity, value-added products, waste by-products, fruit waste, vegetable waste, dairy by-products, meat by-products, seaweed, sustainable waste utilization, pollution reduction
MeSH terms
Fruit, Refuse Disposal, Vegetables, Waste Products

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