Lactic Acid Production from Simultaneous Saccharification and Fermentation of Cassava Starch by Lactobacillus Plantarum MSUL 903

Chookietwattana, Kannika

doi:10.1016/j.apcbee.2014.03.019

Cited by 27 publications

(18 citation statements)

References 6 publications

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“…There was little influence of the harvesting time . Chookietwattana carried out a study with the aim to choose an amylolytic lactic acid bacterium so that the fermentation and saccharification (SSF) between starch and lactic acid can be done simultaneously as well as to find out the most suitable conditions for cassava starch SSF for the production of lactic acid. A pH of 6.5, 6% (w/v) was considered as the optimum conditions for MSUL L. plantarum in SSF with respect to cassava starch .…”

Section: Bio‐products From Cassavamentioning

confidence: 99%

“…Chookietwattana carried out a study with the aim to choose an amylolytic lactic acid bacterium so that the fermentation and saccharification (SSF) between starch and lactic acid can be done simultaneously as well as to find out the most suitable conditions for cassava starch SSF for the production of lactic acid. A pH of 6.5, 6% (w/v) was considered as the optimum conditions for MSUL L. plantarum in SSF with respect to cassava starch . According to Chaleomrum et al there is a great potential of the waste water of cassava starch with respect to the production of poly hydroxyl alkanoate (PHA) through batch reactor sequencing (SBR).…”

Section: Bio‐products From Cassavamentioning

confidence: 99%

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Cassava: Its polymer, fiber, composite, and application

2015

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Cassava is a type of plant which has different purposes of use. It is used to produce various foods, biofibers, bio-composites, and bio-polymers. Besides, it is now used as renewable energy source of starch. The intention of the paper is to focus on the importance of cassava fibers, polymers, and composites as well as its potential applications, another focus point of this research is the biodegradable polymer development which is taken out from cassava starch. Moreover, this work gives a comprehensive review about surface treatments as well as the most recent developments of cassava polymer/fiber based bio-composites and the summary of main result presented in the literature, focusing on properties of cassava composite and applications. These applications were related to various industrial application as well as others such as the production of xylenes, ethanol and bio-fuel, food, food packaging and cassava foam. POLYM. COMPOS., 00:000-000,

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Section: Bio‐products From Cassavamentioning

confidence: 99%

Section: Bio‐products From Cassavamentioning

confidence: 99%

Cassava: Its polymer, fiber, composite, and application

2015

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“…For example, SSF of starch such as cassava, rice bran and wheat by Lactobacillus sp. resulted in the yields of 0.66, 0.28 and 0.89 and the productivities of 0.41, 0.78 and 1.74 g/L/h, respectively (Chookietwattana 2014;Tanaka et al 2006;Hetényi et al 2011). In other researches of lactic acid from alfalfa fiber and cassava bagasse by the same species, the yields were 0.35 and 0.96 and the productivities were 0.75 and 1.40 g/L/h, respectively (Sreenath et al 2001;John et al 2006).…”

Section: Lactic Acid Production From Ps Treated By Ssf With Thermotolmentioning

confidence: 85%

Lactic acid production from paper sludge by SSF with thermotolerant Rhizopus sp.

Maki

Hoshino

2016

Bioresour. Bioprocess.

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Background: Rhizopus fungi is suitable for the production of lactic acid, which is the backbone material of polylactic acid used as green plastic from lignocellulosic biomass, since it can grow and ferment in simple medium with various carbon sources such as starch and cellulose. Although paper sludge (PS) contains a lot of cellulosic fibers and in general was incinerated for volume reduction and heat recovery, other efficient utilizations have hardly been developed. In effective production of lactic acid from PS, the research of the extraction of cellulosic fiber from raw PS to obtain effectively fermentable sugars by cellulase and the selection of lactic acid microorganism are necessary. In this study, the PS pretreatment method with NaOH and HCl and the optimization of cellulase reagent were achieved, and also a desirable thermotolerant Rhizopus was selected. Finally, the production of lactic acid from the treated PS at 40 °C by simultaneous saccharification and fermentation (SSF) with the strain and an optimized cellulase cocktail was investigated.Results: Rhizopus oryzae NBRC 5384 was selected for thermotolerant lactic acid production from Rhizopus library because of its heat tolerance up to 40 °C and high lactic acid production of 80 g/L. The strain can ferment to lactic acid from hexose, pentose, sugar alcohol, disaccharide and starch. The soaking of raw PS in NaOH and HCl was able to reduce effectively inorganic materials and other reagents for repulping, and the content of Al and Ca per PS dry matter was mainly decreased from 32.9 and 30.8 to 14.1 and 1.66 %, respectively. SSF of the treated PS of 50 g/L with optimized cellulase cocktail and 5384 at 40 °C resulted in lactic acid production of 9.33 g/L for 96 h. Conclusion:The thermotolerant Rhizopus fungus was found based on its high performance in lactic acid production at high temperature from not only glucose, but also other various carbon sources including polysaccharides and the secretion of amylases and cellulases. The treatment of raw PS by NaOH and subsequent HCl was able to remove a large amount of inorganic materials with decrease of hydrophobicity. In SSF of the treated PS with the strain and the optimized cellulase cocktail, lactic acid was able to be produced. However, the increase of initial PS concentration in SSF led to the decrease of the yield with ethanol production, because of limited aeration due to increase of density. An appropriate oxygen supply to the strain is necessary to improve lactic acid production.

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“…Biological hydrolysis can also be used directly in combination with lactic acid fermentation in order to reduce the number of process steps. A combination of hydrolysis and fermentation is called simultaneous saccharification and fermentation (SSF), and has been shown for the production of lactic acid from e. g. cassava starch, corn stover and sweet potatoes (44)(45)(46)(47)(48). SSF is one of the most used processes to produce lactic acid from lignocellulosic materials and an opportunity to prevent enzyme inhibition by the product (47,(49)(50)(51).…”

Section: Agricultural Residuementioning

confidence: 99%