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Fungal cultures of tar bush and creosote bush for production of two phenolic antioxidants (Pyrocatechol and Gallic acid)

J. Ventura, G. Gutiérrez-Sanchez, R. Rodríguez-Herrera, C. N. Aguilar

. 2009 ; 54 (3) : 199-203.

Language English Country Czech Republic

Persistent link   https://www.medvik.cz/link/bmc09002179

'Tar bush' and 'creosote bush' were substrates of fungal cultivation for tannase production and gallic acid and pyrocatechol accumulation. Aspergillus niger GH1 grew similarly on both plant materials under solid state culture conditions, reaching maximal levels after 4 d. Fungal strain degraded all tannin content of creosote bush after 4 d of fermentation and >75 % of tar bush after 5 d. Higher level of tannase activity was detected in tar bush fermentation. Biotransformation of tannins to gallic acid was high (93 % in creosote bush and 89 % in tar bush). Pyrocatechol was released poorly. Kinetic parameters of tannin conversion were calculated.

Bibliography, etc.

Lit.: 32

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