Screening of different agroindustrial by-products for industrial enzymes production by fermentation processes

TADDIA, ANTONELA; BOGGIONE, MARÍA JULIA; TUBIO, GISELA

INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY

WILEY-BLACKWELL PUBLISHING, INC

Lugar: Londres; Año: 2018 vol. 54 p. 1027 - 1035

0950-5423

Agroindustrial by-products are an abundant source of biocompounds that contain valuable nutrients, which are not exploited. In this work, lignocellulosic wastes (LW) were used in submerged fermentation (SmF) and solidstatefermentation (SSF) by Aspergillus niger NRRL3 to obtain valuable enzymes required in industries. SmF using soybean hulls (SH), wheat bran (WB) and a by-product of wheat flour (F) produced the highest activitiesof endo-1,4-β-xylanase (Xyl) and endo-1,4-β-D-glucanase (EG) being at least 3 times lower than those obtained by SSF. The highest ratio of Xyl to EG was obtained in SmF with F. Xyl obtained by SmF with WB was the most thermally resistant. The enzymatic extract obtained in SmF using SH presented a high power of saccharification. The production of enzymes for further application such as bioethanol generation process revalue these LW and can help offset growing environmental problems.