REFERENCES
- AL-Ani , F. and Younis , Y. 1995 . Production of citric acid and SCP by solid-state fermentation on wild cane . Mesopotamia Journal of Agriculture , 27 : 60 – 64 .
- Gupta , S. and Sharma , C. 1994 . Continuous production of citric acid from sugarcane molasses using a combination of submerged immobilized and surface stabilized cultures of Aspergillus niger KCU 520 . Biotechnology Letters , 16 : 599 – 604 .
- Gutierrez-Rojas , M. , Cordova , J. , Auria , R. , Revah , S. and Favela-Torres , E. 1995 . Citric acid and polyols production by Aspergillus niger at high glucose concentration in solid state fermentation on inert support . Biotechnology Letters , 17 : 219 – 224 .
- Hang , Y. and Woodams , E. 1984 . Apple pomace: A potential substrate for citric acid production by A. niger . Biotechnology Letters , 6 : 763 – 764 .
- Hang , Y. , Luh , R. and Woodams , E. 1985 . Grape pomace: a novel substrate for microbial production of citric acid . Biotechnology Letters , 7 : 253 – 254 .
- Kirimura , K. , Yusa , S. , Rugsaseel , S. , Nakagawa , H. , Osumi , M. and Usami , S. 1999 . Amylose-like polysaccharide accumulation and hyphal cell-surface structure in relation to citric acid production by Aspergillus niger in shake culture . Appl Microbiol Biotechnol , 52 : 421 – 428 .
- Krishna , C. 2005 . Solid-state fermentation systems-An overview . Critical Reviews in Biotechnology , 25 : 1 – 30 .
- Kubicek , C. , Hampel , W. and Rohr , M. 1986 . Citric acid fermentation . CRC Critical Review Biotechnol. , 3 : 331 – 373 .
- Kumar , D. , Jain , V. , Shanker , G. and Srivastava , A. 2003 . Utilization of fruits wastes for citric acid production by solid-state fermentation . Process Biochemistry , 38 : 1725 – 1729 .
- Leangon , S. , Maddox , I. and Brooks , J. 2000 . A proposed biochemical mechanism for citric acid accumulation by Aspergillus niger Yang No.2 growing in solid state fermentation . World Journal of Microbiology & Biotechnology , 16 : 271 – 275 .
- Maddox , S. , Hassain , M. and Brooks , J. 1986 . The effect of methanol on citric acid production from galactose by A. niger . Appl Microbiol and Biotechnol. , 23 : 203 – 205 .
- Mischak , H. , Kubicek , C. and Rohr , M. 1985 . Formation and location of glucose oxidase in citric acid producing mycelia of Aspergillus niger . Appl Microbiol Biotechnol. , 21 : 27 – 31 .
- Mourya , S. and Jauhri , K. 2000 . Production of citric acid from starch-hydrolysate by Aspergillus niger . Microbiological Research , 155 : 37 – 44 .
- Pearson , D. 1973 . Laboratory techniques in food analysis , London : Butterworth and Co. Ltd .
- Punekar , N. , Vaidyanathan , C. and Rao , N. 1985 . Role of glutamate synthetase in citric acid fermentation by A. niger . J. of Biosc. , 7 : 269 – 287 .
- Raimbault , M. 1998 . General and microbiological aspects of solid substrate fermentation . Electronic Journal of Biotechnology , 1 : 1 – 19 .
- Robinson , T. , Singh , D. and Nigam , P. 2001 . Mini-review: Solid-state fermentation: a promising microbial technology for secondary metabolite production . Appl Microbiol Biotechnol , 55 : 284 – 289 .
- Roukas , T. 1999 . Production of citric acid from carob pods by solid-state fermentation . Enzyme and Microb. Technology , 24 : 54 – 59 .
- Roukas , T. 2000 . Citric and gluconic acid production from fig by Aspergillus nigerusing solid-state fermentation . Journal of Industrial Microbiology & Biotechnology , 25 : 298 – 304 .
- Rugsaseel , S. , Kirimura , K. and Usami , S. 1996 . Citric acid accumulation by cycloheximide-sensitive mutant strains of Aspergillus niger . Appl Microbiol Biotechnol. , 45 : 28 – 35 .
- Rugsaseel , S. , Morikawa , S. , Kirimura , K. and Usami , S. 1995 . Stimulation of citric acid production in Aspergillus niger by addition of viscous substances in shake culture . Appl Microbiol Biotechnol. , 42 : 839 – 843 .
- Shankaranand , V. and Lonsane , B. 1993 . Ability of Aspergillus niger to tolerate metal ions and minerals in a solid-state fermentation system for the production of citric acid . Process Biochemistry , 29 : 29 – 37 .
- Usami , S. 1978 . Production of citric acid by submerged culture . Mem Sch Sci Eng Waseda Univ. , 42 : 17 – 26 .
- Usami , S. and Fukutomi , N. 1977 . Citric acid production by solid fermentation method using sugarcane bagasse and concentrated liquor of pineapple waste . Hakkokogaku , 55 : 44 – 50 .
- Ward , O. , Qin , W. , Dhanjoon , J. , Ye , J. and Singh , A. 2005 . Physiology and Biotechnology of Aspergillus . Advances in Applied Microbiology , 58 : 1 – 75 .
- Wood , T. and Bhat , K. 1988 . “ Methods for measuring cellulase activities ” . In Methods in Enzymology , Vol. 160 , 87 – 116 . New York : Academic Press, Inc. .
- Xie , G. and West , T. 2006 . Citric acid production by Aspergillus niger on wet corn distillers grains . Letters in Applied Microbiology , 43 : 269 – 273 .