Summary
Apple pomace was used as a fsubstrate for citric acid production by five strains of Aspergillus niger. A. niger NRRL 567 produced the greatest amount of citric acid from apple pomace in the presence of 4% methanol. The yield was 88% based on the amount of sugar consumed.
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Hang, Y.D., Woodams, E.E. Apple pomace: A potential substrate for citric acid production by Aspergillus niger . Biotechnol Lett 6, 763–764 (1984). https://doi.org/10.1007/BF00133071
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DOI: https://doi.org/10.1007/BF00133071