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Enzymatic Digestibility of Corn Stover Fractions in Response to Fungal Pretreatment / Zhifang Cui in Industrial & engineering chemistry research, Vol. 51 N° 21 (Mai 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 21 (Mai 2012) . - pp. 7153–7159 Titre : Enzymatic Digestibility of Corn Stover Fractions in Response to Fungal Pretreatment Type de document : texte imprimé Auteurs : Zhifang Cui, Auteur ; Caixia Wan, Auteur ; Jian Shi, Auteur Année de publication : 2012 Article en page(s) : pp. 7153–7159 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Enzymatic  digestibility Résumé : Corn stover fractions (leaves, cobs, and stalks) were studied for enzymatic digestibility after pretreatment with a white rot fungus, Ceriporiopsis subvermispora. Among the three fractions, leaves had the least recalcitrance to fungal pretreatment and the lignin degradation reached 45% after 30 days of pretreatment. The lignin degradation of stalks and cobs was similar but was significantly lower than that of leaves (p < 0.05). For all fractions, xylan and glucan degradation followed a pattern similar to lignin degradation, with leaves having a significantly higher percentage of degradation (p < 0.05). Hydrolytic enzyme activity also revealed that the fungus was more active in the degradation of carbohydrates in leaves. As a result of fungal pretreatment, the highest sugar yield, however, was obtained with corn cobs. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300487z [article] Enzymatic Digestibility of Corn Stover Fractions in Response to Fungal Pretreatment [texte imprimé] / Zhifang Cui, Auteur ; Caixia Wan, Auteur ; Jian Shi, Auteur . - 2012 . - pp. 7153–7159. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 21 (Mai 2012) . - pp. 7153–7159 Mots-clés : Enzymatic  digestibility Résumé : Corn stover fractions (leaves, cobs, and stalks) were studied for enzymatic digestibility after pretreatment with a white rot fungus, Ceriporiopsis subvermispora. Among the three fractions, leaves had the least recalcitrance to fungal pretreatment and the lignin degradation reached 45% after 30 days of pretreatment. The lignin degradation of stalks and cobs was similar but was significantly lower than that of leaves (p < 0.05). For all fractions, xylan and glucan degradation followed a pattern similar to lignin degradation, with leaves having a significantly higher percentage of degradation (p < 0.05). Hydrolytic enzyme activity also revealed that the fungus was more active in the degradation of carbohydrates in leaves. As a result of fungal pretreatment, the highest sugar yield, however, was obtained with corn cobs. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300487z