Structural properties and hydrolysabilities of Chinese Pennisetum and Hybrid Pennisetum: Effect of aqueous ammonia pretreatment. (January 2016)

• Record Type: Journal Article
• Authors: Wang, Jingfeng; Xin, Donglin; Hou, Xincun; Wu, Juying; Fan, Xifeng; Li, Kena; Zhang, Junhua
• Is Part Of: Bioresource technology. Volume 199(2016)
• Page Start: 211
• Page End: 219
• Publication Date: 2016-01
• Subjects: Chinese Pennisetum -- Hybrid Pennisetum -- Aqueous ammonia pretreatment -- Structure properties -- Enzymatic hydrolysis; Biomass -- Periodicals; Biomass energy -- Periodicals; Bioremediation -- Periodicals; Agricultural wastes -- Periodicals; Factory and trade waste -- Periodicals; Organic wastes -- Periodicals; Bioénergie -- Périodiques; Déchets agricoles -- Périodiques; Déchets industriels -- Périodiques; Déchets organiques -- Périodiques; Déchets (Combustible) -- Périodiques; 662.88
• DOI: 10.1016/j.biortech.2015.08.046
• Languages: English
• ISSNs: 0960-8524

Abstract

Highlights: Structural properties and hydrolysability of CP and HP were compared. High hydrolysability was obtained with low dosage of enzyme loadings. Supplementation of xylanase was more effective than increase of cellulases loading. SAA pretreatment with xylanase addition was effective for CP and HP bioconversion. Abstract: The effects of aqueous ammonia pretreatment on structural properties and hydrolysabilities of Chinese Pennisetum and Hybrid Pennisetum were investigated. Aqueous ammonia pretreatment increased cellulose crystallinities and hydrolysabilities of Chinese Pennisetum and Hybrid Pennisetum. Compared with Chinese Pennisetum, Hybrid Pennisetum showed better enzymatic digestibility. Xylanase supplementation was more effective than the increase of cellulase loadings in the hydrolysis of aqueous ammonia pretreated Chinese Pennisetum and Hybrid Pennisetum. After supplementation of 2 mg of xylanase/g dry matter to 5 FPU of cellulases/g dry matter, the hydrolysis yields of cellulose of aqueous ammonia pretreated Chinese Pennisetum and Hybrid Pennisetum were 92.3–95.4%, and the hydrolysis yields of xylan were 86.9–94.2%. High hydrolysability and low dosage of enzyme loadings together with the advantages of high yield and widely distribution demonstrated the potential of Chinese Pennisetum and Hybrid Pennisetum for the production of platform sugars.