Coffee husk: an inexpensive substrate fo
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V. S. Shankaranand; B. K. Lonsane
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Article
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1994
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Springer
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English
β 374 KB
Aspergillus niger CFTRI 30 produced 1.3 g citric acid/10 g dry coffee husk in 72 h solid-state fermentation when the substrate was moistened with 0.075 M NaOH solution. Production was increased by 17% by adding a mixture of iron, copper and zinc to the medium but enrichment of the moist solid medium