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Title: Areca husk: An inexpensive substrate for citric acid production by Aspergillus niger under solid state fermentation
Authors: Narayanamurthy, G
Ramachandra, Y L
Rai, S Padmalatha
Manohara, Y N
Kavitha, B T
Keywords: Areca husk
Areca catechu
Aspergillus niger
Citric acid
Issue Date: Jan-2008
Publisher: CSIR
Abstract: Areca husk was used as a substrate for the production of citric acid under solid state fermentation (SSF) using a new local soil isolate of Aspergillus niger. A. niger produced 119.42±2.5 g citric acid/kg dry areca husk fermented in the presence of 3% w/w methanol at optimum pH 5.0, 50 % moisture content and 30oC incubation temperature in 3 d. The citric acid yield was 66.7±1% based on the amount of fermentable sugars consumed during fermentation.
Page(s): 99-102
ISSN: 0972-5849
Source: IJBT Vol.07(1) [January 2008]

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