ORIGINAL RESEARCH: Direct fermentation oftriticale starch to lactic acid by<i>Rhizopus oryzae</i>

XiaoZhizhuang,; WuMeiqun,; BeaucheminManon,; GroleauDenis,; LauPeter, C K

doi:10.1089/ind.2011.7.129

Cited by 9 publications

(4 citation statements)

References 24 publications

(30 reference statements)

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“…The maximum yield of lactic acid was attained with the initial inoculum size of 10 4 /ml. The same result was also reported by others where maximum lactic acid was produced at low initial inoculum size; around 10 3 -10 4 /ml [14,15]. It was also reported that the size of inoculum influenced the morphology of the Rhizopus fungus [15][16][17][18].…”

Section: Lactic Acid Productionsupporting

confidence: 86%

Co-Production of Lactic Acid and Ethanol Using Rhizopus Sp. From Hydrolyzed Inedible Cassava Starch and Leaves

Azmi

Yusuf²,

Jimat³

et al. 2016

IIUMEJ

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Production of lactic acid and ethanol from inedible cassava starch and leaves was investigated. Prior to fermentation, hydrolysis of the starch and leaves was conducted. Hydrolysis was optimized by manipulating at three levels each four particular factors, namely acid concentration, starch concentration, temperature, and reaction time. Maximum glucose yield of 0.96 g/g was obtained when 2.5% (w/v) of cassava leaves with 2.5% (w/v) of starch was hydrolyzed using 0.20 M of nitric acid at 160oC of temperature for 10 min. The potential of hydrolyzed cassava starch and leaves was then investigated for lactic acid production using fungal Rhizopus sp. The fermentation process was then conducted in shake flask by varying four factors at three levels each. Maximum lactic acid and ethanol yields of 0.95 g/g and 0.52 g/g, respectively, were achieved at different optimum conditions. Â Lactic acid production was found to be linked to a decrease in ethanol production. Design Expert v6.0.8 was used to aid in the design of the experiment using Taguchiâ€™s methodology.

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Section: Lactic Acid Productionsupporting

confidence: 86%

Co-Production of Lactic Acid and Ethanol Using Rhizopus Sp. From Hydrolyzed Inedible Cassava Starch and Leaves

Azmi

Yusuf²,

Jimat³

et al. 2016

IIUMEJ

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“…4). When a larger inoculum size of 1 9 10 6 spores/mL was used, lactic acid production occurred earlier in R. oryzae [25].…”

Section: Effect Of Inoculum Sizementioning

confidence: 99%

Production of Extracellular Isoamylase and Endoglucanase by Entrapped Spores of Rhizopus oryzae PR7

Ghosh

Karmakar

Ray³

2014

Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci.

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The encapsulation of spores of Rhizopus oryzae PR7 by ionotropic gelation and production of isoamylase and endoglucanase was observed in the present study. The immobilized spores showed maximum production of both the enzymes in beads made up of 9 % of alginate concentration. Maximum production of isoamylase and endoglucanase was found when immobilization of spores involved BaCl 2 and CaCl 2 respectively. Linear negative correlation was found between isoamylase production and number of spores used for the inoculum, while in case of endoglucanase, production value was more or less independent of the inoculum size. The immobilized spores were reutilized effectively for isoamylase production by recycling of the entrapped spores for four consecutive cycles.

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“…Starch, the most abundant storage carbohydrate in the world, is widely used in food products and industrial applications due to highly organized structures, unique thermal properties, and functionalities (2). Amongst starchy materials, corn, sugarcane, wheat, cassava, potato, corn stover, rice, rye, and barley have been used for commercial production in the food, cosmetic, pharmaceutical, and chemical industries (3,4). Starch bioconversion processes have been changed from acid hydrolysis to enzymatic hydrolysis, which offers advantages of improved yields and favorable economics.…”

Section: Introductionmentioning

confidence: 99%

Characterization of the starch degradation activity from newly isolated Rhizopus oryzae WCS-1 and mixed cultures with Saccharomyces cerevisiae for efficient ethanol production from starch

Jang

Kim

Park

et al. 2015

Food Sci Biotechnol

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ORIGINAL RESEARCH: Direct fermentation oftriticale starch to lactic acid byRhizopus oryzae

Cited by 9 publications

References 24 publications

Co-Production of Lactic Acid and Ethanol Using Rhizopus Sp. From Hydrolyzed Inedible Cassava Starch and Leaves

Co-Production of Lactic Acid and Ethanol Using Rhizopus Sp. From Hydrolyzed Inedible Cassava Starch and Leaves

Production of Extracellular Isoamylase and Endoglucanase by Entrapped Spores of Rhizopus oryzae PR7

Characterization of the starch degradation activity from newly isolated Rhizopus oryzae WCS-1 and mixed cultures with Saccharomyces cerevisiae for efficient ethanol production from starch

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