Research Article 
Lactic Acid Production from Microwave-Alkali Pre-Treated Empty Fruit Bunches Fibre using Rhizopus oryzae Pellet
F. Hamzah, A. Idris, R. Rashid and S.J. Ming
Journal of Applied Sciences, 2009, 9(17), 3086-3091.
Abstract
Microwave-alkali (MW-A) pre-treated EFB consisting of 74% cellulose, 16% hemicellulose and 8% lignin was subjected to Simultaneous Saccharification and Fermentation (SSF) of lactic acid using Rhizopus oryzae NRRL 395. Two different morphologies of Rhizopus were studied for SSF of lactic acids; i.e., the clump and pellet form. Aspect Ratio (AR) was introduced to classify the pellet morphology, since cultivation of Rhizopus sp. produced non-uniform size pellets. Pellet with AR = 1 indicated a perfect pellet, while AR = 1.5 represented an ellipsoidal pellet. The AR of Rhizopus pellet used in the SSF was controlled to 1. The results showed that lactic acid production from MW-A pre-treated EFB using pellet exhibits higher lactate yield as compared to the clump Rhizopus. The lactate yield was 0.77 g g-1 EFB used after 96 h cultivation. Meanwhile, productivity of the lactic acid obtained from SSF of MW-A pre-treated EFB using pellet (AR = 1), clump (AR = 1.5) and pellet (AR = 1.5) Rhizopus oryzae NRRL 395 were 0.12, 0.089, 0.099 g L-1, respectively.
ASCI-ID: 35-3174
Similar Articles
Potash Pretreatment Enhances Carbohydrate Biodegradability and Feed Potential of Groundnut (Arachis hypogea) Shell Meal
Journal of Applied Sciences, 2012, 12(13), 1408-1412.
Pretreatment of Wood Biomass with Ionic Liquids: A "Green" Approach to Separate Cellulose for Use in Oilfield ApplicationJournal of Applied Sciences, 2015, 15(3), 531-537.
Parametric and Adsorption Kinetic Studies of Reactive Black 5 Removal from Textile Simulated Wastewater Using Oil Palm (Elais guineensis) Empty Fruit BunchJournal of Applied Sciences, 2015, 15(8), 1103-1111.
Stability and Demulsification of Water-in-Crude Oil (w/o) Emulsions Via Microwave HeatingJournal of Applied Sciences, 2006, 6(8), 1698-1702.
A Comparative Study on Emulsion Demulsification by Microwave Radiation and Conventional HeatingJournal of Applied Sciences, 2006, 6(10), 2307-2311.
Destabilization of Heavy and Light Crude Oil Emulsions via Microwave Heating Technology: An Optimization StudyJournal of Applied Sciences, 2011, 11(16), 2898-2906.
Image Enhancement by Microwave Double Irradiation for Early Diagnosis of Breast CarcinomaJournal of Applied Sciences, 2011, 11(15), 2830-2836.
Water-in-Crude Oil Emulsions: Its Stabilization and DemulsificationJournal of Applied Sciences, 2007, 7(22), 3512-3517.
Optimization of Lipase Production by a Rhizopus MR12 in Shake CultureJournal of Applied Sciences, 2007, 7(6), 855-860.
Cited By
Microwave heating processing as alternative of pretreatment in second-generation biorefinery: An overview
Energy Conversion and Management, 2017, 136(), 50. DOI: 10.1016/j.enconman.2017.01.004
Lactic acid production from Sophora flavescens residues pretreated with sodium hydroxide: reutilization of the pretreated liquor during fermentationBioresource Technology, 2017, (), . DOI: 10.1016/j.biortech.2017.06.005
Oil palm empty fruit bunches a promising substrate for succinic acid production via simultaneous saccharification and fermentationRenewable Energy, 2017, (), . DOI: 10.1016/j.renene.2017.07.113
Chemical Compound Evaluation of Polylactic Acid from L(+)-Lactic Acid Monomer Obtained through Cassava Fermentation by <i>Rhizopus oryzae</i>Advanced Materials Research, 2015, 1113(), 523. DOI: 10.4028/www.scientific.net/AMR.1113.523
Pretreatment methods for an effective conversion of oil palm biomass into sugars and high-value chemicalsBiomass and Bioenergy, 2021, 144(), 105901. DOI: 10.1016/j.biombioe.2020.105901
Alkaline Chemistry and Applications [Working Title]Alkaline Chemistry and Applications [Working Title], 2021, (), . DOI: 10.5772/intechopen.96394
Mucoromycota fungi as powerful cell factories for modern biorefineryApplied Microbiology and Biotechnology, 2021, (), . DOI: 10.1007/s00253-021-11720-1