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Braz. j. microbiol ; 41(3): 519-530, Oct. 2010. ilus, tab
Artigo em Inglês | LILACS | ID: lil-549393

RESUMO

This review aims at providing an overview on the microbial production of vanillin, a new alternative method for the production of this important flavor of the food industry, which has the potential to become economically competitive in the next future. After a brief description of the applications of vanillin in different industrial sectors and of its physicochemical properties, we described the traditional ways of providing vanillin, specifically extraction and chemical synthesis (mainly oxidation) and compared them with the new biotechnological options, i.e., biotransformations of caffeic acid, veratraldehyde and mainly ferulic acid. In the second part of the review, emphasis has been addressed to the factors most influencing the bioproduction of vanillin, specifically the age of inoculum, pH, temperature, type of co-substrate, as well as the inhibitory effects exerted either by excess substrate or product. The final part of the work summarized the downstream processes and the related unit operations involved in the recovery of vanillin from the bioconversion medium.


Assuntos
Oxidação Química , Produção de Alimentos , Propriedade Intelectual , Fenômenos Químicos , Vanilla , Vanilla/microbiologia , Biodegradação Ambiental , Amostras de Alimentos , Métodos , Métodos
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