Lipid production by Aspergillus oryzae from starch substrates |
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Authors: | P. Kaur J. T. Worgan |
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Affiliation: | (1) National College of Food Technology, University of Reading, England;(2) Present address: Flour Milling and Baking Research Association, Rickmansworth Road, Chorleywood, Hertfordshire, England |
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Abstract: | Summary Reports that starch is a poor substrate for lipid production are attributed to the low available C:N ratio which occurs because starch is not directly available to the microbial cell. If cultural conditions were established which gave rapid and extensive amylase activity, sufficient starch hydrolysis would occur to give a high ratio of available C:N, conditions favourable to lipid accumulation. This hypothesis was tested experimentally with Aspergillus oryzae and mycelium with 37% lipid content was obtained with starch as sole carbon source in defined culture media. |
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