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Utilisation of fruits waste for citric acid production by solid state fermentation

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Author: D Kumar; Jain, V K; Shanker, G; Srivastava, A

Advisor: Advisor

Date: 2003

Publisher:
Citation: Process Bi

Series/Report no.:
Item Type: Article

Keywords: Solid state fermentation; Citric acid; Fruits waste; Aspergillus niger

Abstract: A solid state fermentation method was used to utilise pineapple, mixed fruit and maosmi waste as substrates for citric acid production using Aspergillus niger DS 1. Experiments were carried out in the presence and absence of methanol at different moisture levels. In the absence of methanol the maximum citric acid was obtained at 60% moisture level whereas in the presence of methanol the maximum citric acid was obtained at 70% moisture level. The stimulating effect of methanol was less at lower moisture level. The inhibitory effect of metal ions was also not observed and maximum citric acid yield of 51.4, 46.5 and 50% (based on sugar consumed) was obtained from pineapple, mixed fruit and maosmi residues, respectively.
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Shankar B. Chavan
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Shankar B. Chavan
Computer Applications Division
Central Library, IIT Delhi
shankar.chavan@library.iitd.ac.in
NDLTD
Shodhganga
NDL
ePrints@IISc
etd@IISc
IR@IIT Bombay
NewsClips @IITD
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