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Articles by Parveen Jamal
Total Records ( 5 ) for Parveen Jamal
  Parveen Jamal , Md. Zahangir Alam and Nurul Umi
  Bioprotein production is one of the most promising breakthroughs of biotechnological innovations. Due to its increasing demand, the efficient strains, substrate and method must be used for high yield product. In this study, screening of five different cerivisiea, Mucor hiemalis and Thricoderma harzianum, was done for bioprotein production by liquid state bioconversion of wheat flour as a cheaper carbon source. Bioconversion was done with fixed wheat flour concentration of 2% (w/v) at a temperature 27°C, agitation of 150 rpm with 2% inoculum (106 spores mL-1). Biomass production was recorded continuously for six days and the protein content was also determined every day. From the observed results, Mucor hiemalis was found to be the most potential strain with biomass of about 11.48 g L-1 on the fourth day of treatment. With this promising result, the amount of bioprotein was further increased to 21.89 g L-1 by optimizing few process factors. Further optimization developments are in progress. This study may provide a better alternative in agricultural products by converting cheaper carbon source to valuable and quality product bioprotein, which can be used as supplement and additive in the animal feed and food as well as in chemical and pharmaceutical industries.
  Parveen Jamal , Olorunnisola K. Saheed and Zahangir Alam
  Recent breakthrough in industrial biotechnology offer important economic opportunities for the utilization of agro-industrial residues such as Banana Peels (BP). BP as a complex biological material is an important by-product of several cottage and major hospitality industries. Chemically, it contains cellulose, hemicelluloses, lignin and simple sugars. Due to its availability and value, it is capable as an ideal substrate for microbial process for production of valued-added products. Several efforts have been made to produce protein enriched animal ration, industrial enzymes, citric acid and other industrially viable products. Pre-treatment operations have resulted in improved substrate utilization by microorganisms. Solid State Fermentation (SSF) and submerged state fermentation (SmF) are two promising techniques majorly employed for bioconversion of BP for its value addition. The article reviews recent developments in process and products developed for valorizing BP through biotechnological approach. Information on most recent applications and developments are carefully documented.
  Parveen Jamal , Md. Zahangir Alam , M. Ramlan , M. Salleh and Masrina M. Nadzir
  In this study, screening of potential microbes, especially Aspergillus, for citric acid production from Palm Oil Mill Effluent (POME) is carried out to improve the product yield. The fermentation of the raw material POME for the production of citric acid was conducted by the liquid state fermentation process. A total of ten strains of Aspergillus were selected for the screening test of which six strains were isolated from Sewage Treatment Plant Sludge (STP Sludge), purified and identified up to genus level and four strains of Aspergillus were from lab stock. All strains were screened under controlled fermentation conditions such as pH range of 2-3, temperature 30°C and agitation 150 rpm, using 1% (w/w) of substrate (POME), 2% (w/w) co-substrate (wheat flour) with inoculum size of 2% (106 spore mL -1 ). These strains were examined in terms of maximum citric acid production, biosolid production (TSS%) and Chemical Oxygen Demand (COD) removal. The strain Aspergillus (A103) produced the highest concentration of citric acid (0.28 g L -1 ), TSS (12.7 g L -1 ) and COD removal (72%) followed by A1020, A-SS106 and others on 2-4 days of fermentation.
  Parveen Jamal , Ruqayyah I.D. Tijani , Md. Zahangir Alam and Md. Elwathig S. Mirghani
  Response surface methodology based on the Face-Centered Central Composite Design (FCCCD) was employed to determine the effects of process conditions on the production of an enriched animal feed from cassava peel by a locally isolated white rot fungus Panus tigrinus (M609RQY). Seventeen experimental runs based on three parameters (pH, inoculum size and moisture content) as designated by FCCD were carried out under solid state fermentation. The effect of these parameters on lignin degradation in cassava peel was evaluated. Statistical analysis of the results showed that, only moisture content exerted a highly significant effect (p<0.01) on lignin degradation. The optimum parameter combination was found at 70% v/w of moisture content, 6% v/w inoculum size and pH of 5.30. Under this optimum, 50.62% lignin loss was obtained. This study presents a viable option to the management of cassava peel for production of value-added-product animal feed.
  Olorunnisola Kola Saheed , Parveen Jamal , Mohamed Ismail Abdul Karim , Zahagir Alam and Suleyman Aremu Muyibi
  White rot fungus are valuable class of filamentous and spore forming strains capable of use as animal feed supplements when cultivated under submerged state bioconversion. Selected bacidiomycetes; Phanerochaete chrysosporium, Panus tigrinus M609RQY (M6) and RO2 were grown solely on liquid and solid substrates of banana peel, pineapple peel and papaya peel. On banana peel (solid and liquid), RO2 has the highest protein (15.88 and 14.08 mg g-1), followed by P. chrysosporium (15.09 and 13.56 mg g-1) and M6 (13.24 and 8.07 mg g-1). On pineapple peel, RO2 protein is 17.71 and 12.79 mg g-1, M6 12.61 and 12.32 mg g-1. P. chrysosporium produced 12.27 and 6.85 mg g-1 protein. RO2 produced 15.64 and 12.94 mg g-1 protein on Papaya peel, M6 produced 9.23 and 10.09 mg g-1 while P. chrysosporium synthesized 8.16 and 10.21 mg g-1. P. chrysosporium, M6 and RO2 produced good α-amylase and cellulase enzyme activities that assisted in substrate degradation for protein synthesis.
 
 
 
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