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Bioconversion of Mango Pulp Industrial Waste into Ellagic acid Using Aspergillus niger

Athiappan, M.; Anandan, R.; Kannan, V.; Aurumugam, P.

2020-03-20 microbiology
10.1101/2020.03.17.996074 bioRxiv
Show abstract

Ellagic acid was considered as the potential bioactive compound with many therapeutical applications. Bioconversion of tannin present in the mango pulp processing waste in to ellagic acid using fungi would be better alternate than the chemical as well as extraction from plant sources. A total of three different fungi were isolated from the soil sample and it was confirmed as Aspergillus niger. Further, the isolated strains of A. niger were identified to produce ellagic acid from ellagitannin of mango waste. Quantification of the ellagic acid production was carried out by solid-state fermentation using 3% of mango waste as substrate. Ellagic acid enzyme activity was calculated and found to be 17.6 U ml-1 The ellagic acid production was optimized to fix the various factors, that is, pH and temperature, nitrogen and carbon source. The maximum production (200 g/g) of ellagic acid was achieved at pH 5.5, temperature 30 {degrees}C, Ammonium nitrate as nitrogen source, 0.2% of NaCl and carbon source (0.2% of sugar) with 3% of mango pulp waste. Ellagic acid produced was characterized by UV-vis spectrophotometer and by FT-IR analysis.

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.