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Growth of fungal strains on coffee industry residues with removal of polyphenolic compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
3666 181 2012 4 PDF Available
Title
Growth of fungal strains on coffee industry residues with removal of polyphenolic compounds
Abstract

Coffee silverskin (CS) and spent coffee grounds (SCG) are abundant residues generated by the coffee industry, but up till now they are practically unutilized being discharged to the environment or burned for elimination. In the present study, the ability of seven different fungal strains from the genera Aspergillus, Mucor, Penicillium, and Neurospora, to grow and release phenolic compounds from these residues under solid-state cultivation conditions was evaluated. All the strains were able to growth on CS and SCG, but Penicillium purpurogenum, Neurospora crassa and Mucor were able to release the highest amounts of phenolic compounds from both residues. Phenolic compounds have wide-range applications in the food and pharmaceutical industries, and thus, the extraction of these compounds could be a valuable alternative for the exploitation of CS and SCG. Additionally, the use of solid-state fermentation to obtain these compounds has a positive environmental impact because the use of chemical solvents is avoided.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Fungal strains were cultivated in coffee silverskin (CS) and spent coffee grounds (SCGs). ► Cultivations were performed under solid-state fermentation conditions. ► All the evaluated strains grown and released phenolic compounds from these residues. ► Penicillium purpurogenum, Neurospora crassa and Mucor gave the best results. ► Phenolic compounds extraction is a potential alternative for CS and SCG valorization.

Keywords
Coffee silverskin; Spent coffee grounds; Solid-state fermentation; Biodegradation; Microbial growth; Phenolic compounds
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Growth of fungal strains on coffee industry residues with removal of polyphenolic compounds
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 60, 15 January 2012, Pages 87–90
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us