Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves

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 concen...

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Main Authors:	Azmi, Azlin Suhaida, Yusuf, Nurlisa, Jimat, Dzun Noraini, Mohamad Puad, Noor Illi
Format:	Article
Language:	English English
Published:	Kulliyah of Engineering, International Islamic University Malaysia (IIUM) 2016
Subjects:	TP248.13 Biotechnology TP500 Fermentation industries. Beverages. Alcohol
Online Access:	http://irep.iium.edu.my/53605/ http://irep.iium.edu.my/53605/ http://irep.iium.edu.my/53605/1/610-3199-1-PB-%20lactic%20acid%20_Azlin.pdf http://irep.iium.edu.my/53605/8/53605-CO-PRODUCTION%20OF%20LACTIC%20ACID%20AND%20ETHANOL%20USING%20RHIZOPUS%20SP.%20FROM%20HYDROLYZED%20INEDIBLE%20CASSAVA%20STARCH%20AND%20LEAVES_WOS.pdf

id	iium-53605
recordtype	eprints
spelling	iium-536052017-01-10T06:12:08Z http://irep.iium.edu.my/53605/ Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves Azmi, Azlin Suhaida Yusuf, Nurlisa Jimat, Dzun Noraini Mohamad Puad, Noor Illi TP248.13 Biotechnology TP500 Fermentation industries. Beverages. Alcohol 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 nitric acid at 160 oC 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 a 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. 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 Taguchi’s methodology. Kulliyah of Engineering, International Islamic University Malaysia (IIUM) 2016 Article PeerReviewed application/pdf en http://irep.iium.edu.my/53605/1/610-3199-1-PB-%20lactic%20acid%20_Azlin.pdf application/pdf en http://irep.iium.edu.my/53605/8/53605-CO-PRODUCTION%20OF%20LACTIC%20ACID%20AND%20ETHANOL%20USING%20RHIZOPUS%20SP.%20FROM%20HYDROLYZED%20INEDIBLE%20CASSAVA%20STARCH%20AND%20LEAVES_WOS.pdf Azmi, Azlin Suhaida and Yusuf, Nurlisa and Jimat, Dzun Noraini and Mohamad Puad, Noor Illi (2016) Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves. IIUM Engineering Journal, 17 (2). pp. 1-10. ISSN 1511-788X E-ISSN 2289-7860 http://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/610
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	TP248.13 Biotechnology TP500 Fermentation industries. Beverages. Alcohol
spellingShingle	TP248.13 Biotechnology TP500 Fermentation industries. Beverages. Alcohol Azmi, Azlin Suhaida Yusuf, Nurlisa Jimat, Dzun Noraini Mohamad Puad, Noor Illi Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
description	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 nitric acid at 160 oC 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 a 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. 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 Taguchi’s methodology.
format	Article
author	Azmi, Azlin Suhaida Yusuf, Nurlisa Jimat, Dzun Noraini Mohamad Puad, Noor Illi
author_facet	Azmi, Azlin Suhaida Yusuf, Nurlisa Jimat, Dzun Noraini Mohamad Puad, Noor Illi
author_sort	Azmi, Azlin Suhaida
title	Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
title_short	Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
title_full	Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
title_fullStr	Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
title_full_unstemmed	Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves
title_sort	co-production of lactic acid and ethanol using rhizopus sp. from hydrolyzed inedible cassava starch and leaves
publisher	Kulliyah of Engineering, International Islamic University Malaysia (IIUM)
publishDate	2016
url	http://irep.iium.edu.my/53605/ http://irep.iium.edu.my/53605/ http://irep.iium.edu.my/53605/1/610-3199-1-PB-%20lactic%20acid%20_Azlin.pdf http://irep.iium.edu.my/53605/8/53605-CO-PRODUCTION%20OF%20LACTIC%20ACID%20AND%20ETHANOL%20USING%20RHIZOPUS%20SP.%20FROM%20HYDROLYZED%20INEDIBLE%20CASSAVA%20STARCH%20AND%20LEAVES_WOS.pdf
first_indexed	2023-09-18T21:15:49Z
last_indexed	2023-09-18T21:15:49Z
_version_	1777411554644328448

Co-production of lactic acid and ethanol using rhizopus sp. From hydrolyzed inedible cassava starch and leaves

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