Converting potato peel waste into bioactive extracts: reduction of pesticides by traditional and novel pretreatment technologies

Nguyen, Thanh-Tri; Rosselló, Carmen; Mikhaylin, Sergey; Ratti, Cristina

doi:10.1039/d3fb00173c

Sustainable Food Technol.

2024

DOI: 10.1039/d3fb00173c

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Converting potato peel waste into bioactive extracts: reduction of pesticides by traditional and novel pretreatment technologies

Thanh-Tri Nguyen,

Carmen Rosselló,

Sergey Mikhaylin

et al.

Abstract: Potato peel, the main constituent of potato processing waste, is rich in bioactive phenolic compounds. However, it also tends to contain high amounts of pesticide residues that need to be...

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Cited by 3 publications

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Polyphenol Oxidase from Agricultural Wastes for Dye Removal from Wastewater

Badawy,

Naguib

2024

Water Air Soil Pollut

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Polyphenol Oxidase from Agricultural Wastes for Dye Removal from Wastewater

Badawy,

Naguib

2024

Water Air Soil Pollut

View full text Add to dashboard Cite

Metal Extraction from Commercial Black Mass of Spent Lithium-Ion Batteries Using Food-Waste-Derived Lixiviants through a Biological Process

Jegan Roy,

Tang,

Cao

et al. 2024

ACS Sustainable Chem. Eng.

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Lithium-ion batteries (LIBs) power most electronic devices, electric vehicles (EVs), and energy storage devices, and LIB waste is the most critical global problem in electronic waste management. However, recovering and reusing metals from discarded LIBs can reduce environmental risks and provide valuable sources of metal for new batteries. Food waste is a global issue. Most food leftovers are discarded in landfills or incinerated, with a recycling rate of approximately 10−20%. Utilizing food waste to treat LIB waste is an innovative approach that can effectively reduce waste and promote a circular economy, leading to sustainable expansion. In this innovative and environmentally friendly study, we utilize a biocatalytic procedure to transform food waste into lixiviants and extract valuable metals such as Ni, Mn, Co, and Li from spent LIBs. This study also demonstrates that gluconic acid is the primary acid produced through the enzymatic conversion of food waste into lixiviants, a sustainable process that selectively forms metal chelates with valuable LIB metals. The food-waste-derived lixiviants could extract valuable metals from LCO-and NMC-based industrial black masses at a solid content of 50 g/L with a leaching efficiency of 80−99% confirmed by inductively coupled plasma optical emission spectrometry (ICP-OES). The X-ray diffraction, scanning electron microscopy, and ICP-OES studies of LIB black masses and their leaching residues have verified that nearly all metals have been extracted from the LIB black mass. This environmentally conscious approach can efficiently extract metals from exhausted EV batteries in the interest of sustainability.

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Effect of Prefermentation Treatment on the Bioactive Compounds of Noni (Morinda citrifolia L.) Juice

Arkorful,

Appiah,

Owusu

et al. 2024

Journal of Food Processing and Preservation

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Morinda citrifolia L. is used as an alternative medicine in different parts of the world for treating various diseases including diabetes and heart diseases. As a functional food with a short shelf life, processing into different forms increases the shelf life while maintaining its biologically active metabolite and reducing pathogens; therefore, processing technology like natural fermentation must be well managed. The effect of prefermentation processing of noni juice extract on total flavonoid content (TFC), total phenolic content (TPC), total antioxidant activity (TAA), and antimicrobial activity for Escherichia coli and Staphylococcus aureus using minimum inhibitory concentration (MIC) was analyzed after subjecting noni fruits to 1%, 2%, and 3% of ascorbic acid and brine treatments and natural fermentation for 40 days, with the aluminum chloride calorimetric method at 420 nm for TFC, Folin–Ciocalteu reagent (FCR) at 650 nm for TPC, and 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH) assay at 517 nm for TAA, where TFC ranged between 71.7 and 190.0 QE/mL, TPC between 62.6 and 63.7 mg GAE/mL, and TAA between 16.8% and 82.0%. Also, the pretreated noni extracts showed significant antimicrobial activity as compared to the untreated noni extract. In all, the pretreatments employed improved the bioactive compounds analyzed, but with variations.

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Converting potato peel waste into bioactive extracts: reduction of pesticides by traditional and novel pretreatment technologies

Abstract: Potato peel, the main constituent of potato processing waste, is rich in bioactive phenolic compounds. However, it also tends to contain high amounts of pesticide residues that need to be...

Cited by 3 publications

References 53 publications

Polyphenol Oxidase from Agricultural Wastes for Dye Removal from Wastewater

Polyphenol Oxidase from Agricultural Wastes for Dye Removal from Wastewater

Metal Extraction from Commercial Black Mass of Spent Lithium-Ion Batteries Using Food-Waste-Derived Lixiviants through a Biological Process

Effect of Prefermentation Treatment on the Bioactive Compounds of Noni (Morinda citrifolia L.) Juice

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