期刊
FERMENTATION-BASEL
卷 9, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/fermentation9090804
关键词
agro-industrial residue; microbial secondary metabolite; biotransformation
The production of secondary metabolites can be improved by supplying precursors, which can be found in agricultural residues used in solid-state fermentation. It has been proposed to gradually supply volatile precursors to avoid toxicity problems.
The production of secondary metabolites can be improved with the supply of precursors both in submerged and solid-state fermentation (SSF). Microorganisms assimilate the precursors and biotransform them to excrete compounds of commercial interest. The raw materials used in SSF, frequently agro-industrial residues, may contain molecules that serve as precursors for secondary metabolites. However, supplying a precursor can dramatically improve crop production. Commonly, precursors are added as part of the liquid with which the solid material to be fermented is moistened. However, recently it has been proposed to take advantage of the oxygen supply for the gradual supply of volatile precursors. It can help to avoid toxicity problems with the precursors. The present work reviews the strategies to supply precursors to improve the production of secondary metabolites in solid-state fermentation.
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