Evaluation of highly efficient monomeric sugar yield from Thai Tiger grass (Thysanolaena maxima). (6th June 2016)

• Record Type: Journal Article
• Authors: Komolwanich, Tidarat; Prasertwasu, Sirirat; Khumsupan, Darin; Tatijarern, Patomwat; Chaisuwan, Thanyalak; Luengnaruemitchai, Apanee; Wongkasemjit, Sujitra
• Is Part Of: Materials research innovations. Volume 20:Number 4(2016)
• Page Start: 259
• Page End: 267
• Publication Date: 2016-06-06
• Subjects: Lignocellulosic biomass -- Thysanolaena maxima -- Two-stage pretreatment -- Trichoderma reesei -- Trichoderma viride; Materials -- Research -- Periodicals; Matériaux -- Recherche -- Périodiques; 620.1105
• DOI: 10.1080/14328917.2015.1105573
• Languages: English
• ISSNs: 1432-8917

Abstract

Abstract : Tiger grass ( Thysanolaena maxima ) is considered an important perennial energy crop in Southeast Asia with a high productivity and a low requirement for fertilizer. The monomeric sugar yield from T. maxima by two-stage microwave/chemical pretreatment and enzymatic hydrolysis is evaluated. The optimal conditions of the pretreatment were investigated by varying reaction times, reaction temperatures and chemical concentrations to maximize the amount of obtained monomeric sugar. The T. maxima was treated with microwave-assisted NaOH pretreatment using 15:1 liquid-to-solid ratio (LSR), 1% (w/v) NaOH at 140 °C for 15 min, followed by microwave-assisted H2 SO4 pretreatment using 15:1 LSR, 0.5% (w/v) H2 SO4 at 200 °C for 5 min. The maximum monomeric sugar released was 30.2 g/100 g of NaOH-pretreated solids. The enzymatic hydrolysis of the microwave-/chemical-pretreated T. maxima at pH 4.8, 45 °C for 120 h using enzyme amount of 160 μl/g pretreated solids produced an impressive maximum sugar yield of 110.4 g/100 g of NaOH-pretreated solids.