Enzymatic Hydrolysis of Ammonia-Treated Rice Straw

Sulbarán-de-Ferrer, Betzabé; Aristiguieta, Marielena; Dale, Bruce E.; Ferrer, Alexis; Ojeda-de-Rodriguez, Graciela

doi:10.1007/978-1-4612-0057-4_12

Cited by 7 publications

(7 citation statements)

References 7 publications

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“…The water composition of the fruits ranged from 94.33 ± 0.58% to 96.37 ± 0.46%. These results differ from those of Pinela et al [22] this difference is due to the different substrates used. Indeed, these authors showed tomato water contents ranging from 90.63 to 93.70%.…”

Section: Discussioncontrasting

confidence: 99%

Technological and Organoleptic Properties of Tomato (Lycopersicum esculentum) Produced on Soilless Substrates in Daloa (Haut Sassandra Region, Côte d'Ivoire)

Massé¹,

Andre²,

Anderson³

2023

IRJIET

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The present study was carried out to characterise tomatoes produced on soilless substrates (cocoa, sawdust, cashew and rice husk) and to evaluate their impact on the technological and organoleptic characteristics of the tomato. A tomato crop was grown on these different substrates for three months. The tomato fruits from each substrate were subjected to chemical, technological and sensory analysis. The tomatoes of the different substrates have a high water content (94.83- 96.37%). Regarding the technological properties, the results recorded are for saccharin index (1.15%), saccharin coefficient (121.5%) and acidity coefficient (8.29%). The sensory study of the tomatoes reveals that the tasters perceived sensory differences between the tomatoes. Their overall perception of the tomatoes confirms their good acceptability. Also taste, colour, shape and consistency are important criteria of fresh tomatoes. At the end of this study, it was found that the C100 substrate presented the best physicomorphological parameters. Technologically, tomatoes from the RB5050 and B100 substrates can be recommended for industrial processing.

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Section: Discussioncontrasting

confidence: 99%

Technological and Organoleptic Properties of Tomato (Lycopersicum esculentum) Produced on Soilless Substrates in Daloa (Haut Sassandra Region, Côte d'Ivoire)

Massé¹,

Andre²,

Anderson³

2023

IRJIET

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“…5 Previous work has shown this process to give near theoretical yields of glucose on many different types of biomass. [6][7][8][9] AFEX also compares favorably with other pretreatment methods, producing high The goal of this study, then, is to determine the optimal conditions in terms of temperature and ammonia loading for the AFEX process on DDGS to provide maximum glucose yields. The effect of adding xylanase and amylase to hydrolyze xylose and starch, respectively, was also determined.…”

Section: Introductionmentioning

confidence: 99%

Enzymatic Hydrolysis of Distiller's Dry Grain and Solubles (DDGS) Using Ammonia Fiber Expansion Pretreatment

2006

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Approximately 4 billion gallons of fuel ethanol was produced in 2005 in the United States, mostly from corn grain, and production is expected to continue to increase in the future. The major coproduct is distiller's dry grain and solubles (DDGS), which is sold as an animal feed. The increase in DDGS supply is expected to drive its value down, and thus, further value addition is necessary. One approach is to convert the cellulose in DDGS into sugars for increased ethanol production, leaving a residue higher in protein content. In this work, the effect of ammonia fiber expansion (AFEX) pretreatment on the enzymatic hydrolysis of both wet and dry DDGS was studied. Hydrolysis of AFEX treated samples gave 190 g glucose/kg dry biomass, or virtually complete conversion of cellulose after 72 h. Optimal AFEX conditions for dry and wet DDGS were 70° C and 0.8 kg anhydrous NH3/kg dry biomass and 80° C and 0.6 kg NH3/kg dry biomass, respectively. Xylose yields were negligible.

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“…Cellulose content was obtained using cold anthrone reagent (9). Hemicellulose was calculated by using a standard fiber analysis procedure (10,11). Lignin content and ash content was determined using TAPPI (Technical Association of Pulp and Paper Institute, Atlanta, Georgia, USA, 1992) standard methods (12).…”

Section: Compositional Analysismentioning

confidence: 99%

Bioethanol Production from Ammonia Pretreated Rice Straw

Pasha

Navya

Musfera³

et al. 2022

J. Res. Appl. Sci. Biotechnol.

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Rice straw is produced in large quantity throughout the world. Rice straw is a leading feedstock for bioethanol production. Diluted ammonia pretreatment for one week at room temperature was found to be effective pretreatment. This pretreated rice straw was acid hydrolyzed and subsequently fermented with Saccharomyces cerevisiae CP11 strain. 1.5% ammonia pretreatment at room temperature for one week resulted 82.4% delignification and 78.49% of acid hydrolysis. Acid hydrolysate was fermented with maximum ethanol concentration 5.70 % with an ethanol yield of 0.46g/g and fermentation efficiency of 90.6%. Diluted ammonia pretreatment at higher temperature has reduced delignification, saccharification and fermentation efficiency with more phenols and furfurals.

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Enzymatic Hydrolysis of Ammonia-Treated Rice Straw

Cited by 7 publications

References 7 publications

Technological and Organoleptic Properties of Tomato (Lycopersicum esculentum) Produced on Soilless Substrates in Daloa (Haut Sassandra Region, Côte d'Ivoire)

Technological and Organoleptic Properties of Tomato (Lycopersicum esculentum) Produced on Soilless Substrates in Daloa (Haut Sassandra Region, Côte d'Ivoire)

Enzymatic Hydrolysis of Distiller's Dry Grain and Solubles (DDGS) Using Ammonia Fiber Expansion Pretreatment

Bioethanol Production from Ammonia Pretreated Rice Straw

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