Improvement of submerged culture conditions to produce colorants by Penicillium purpurogenum.

Braz J Microbiol · 2014 · PMC4166306 · PMID 25242965

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essentially significantno p-value reported

The yeast extract and sucrose concentrations were essentially significant to the responses, at a positive level, which means that an increase in their concentrations can improve the results.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.