Spent coffee grounds as feedstock for the production of biosurfactants and the improved recovery of melanoidins.

World J Microbiol Biotechnol · 2023 · PMC10353961 · PMID 37462834

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an increasing trendno p-value reported

After that time, the Fe 2+ chelating capacity of CrS showed an increasing trend.

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a decreasing trendno p-value reported

On the other hand, the concentration of total phenolic compounds in the CrS remained constant during the first 48 h of culture, and showed a decreasing trend after that time.

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