Intensification of Freeze-Drying Rate of Bacillus subtilis MTCC 2396 Using Tungsten Halogen Radiation: Optimization of Moisture Content and α-Amylase Activity

REFERENCES

• Torrado , A. ; Vazquez , J.A. ; Prieto , M.A. ; Fucinos , P. ; Montemayor , M.I. ; Pastrana , L. ; Gonzalezb , M.P. ; Murado , M.A. Amylase production by Aspergillus oryzae in a solid-state bioreactor with fed-batch operation using mussel processing wastewaters as feeding medium . Journal of Chemical Technology and Biotechnology 2013 , 88 , 226 – 236 .
   Web of Science ®Google Scholar
• Tanyildizi , M.S. ; Elibol , M. ; Ozer , D. Optimization of growth medium for the production of α-amylase from Bacillus amyloliquefaciens using response surface methodology . Journal of Chemical Technology and Biotechnology 2006 , 81 , 618 – 622 .
   Web of Science ®Google Scholar
• Pandey , A. ; Nigam , P. ; Soccol , C.R. ; Soccol , R.M. Advances in microbial amylases . Biotechnology and Applied Biochemistry 2000 , 31 , 135 – 152 .
   PubMed Web of Science ®Google Scholar
• Femi-Ola , T.O. ; Olowe , B.M. Characterization of alpha amylase from Bacillus subtilis BS 5 isolated from Amitermes evuncifer Silvestri . Research Journal of Microbiology 2011 , 6 ( 2 ), 140 – 146 .
   Google Scholar
• Sreekumar , G. ; Krishnan , S. Isolation and characterization of probiotic Bacillus subtilis SK09 from dairy effluent . Indian Journal of Science and Technology 2010 , 3 ( 8 ), 863 – 866 .
   Google Scholar
• Leslie , S.B. ; Israeli , E. ; Lighthart , B. ; Crowe , J.H. ; Crowe , L.M. Trehalose and sucrose protect both membranes and proteins in intact bacteria during drying . Applied Environmental Microbiology 1995 , 61 ( 10 ), 3592 – 3597 .
   PubMed Web of Science ®Google Scholar
• Li , X.Y. ; Chen , X.G. ; Liu , C.S. ; Peng , H.N. Effect of trehalose and drying process on the survival of encapsulated Lactobacillus casei ATCC 393 . Drying Technology 2008 , 26 , 895 – 901 .
   Web of Science ®Google Scholar
• Choi , S.H. ; Gu , M.B. Enhancement in the viability and biosensing activity of freeze-dried recombinant bioluminescent bacteria . Biotechnology and Bioprocess Engineering 2000 , 5 , 202 – 206 .
   Google Scholar
• Palmfeldt , J. ; Radstrom , P. ; Hahn-Hagerdal , B. Optimization of initial cell concentration enhances freeze-drying tolerance of Pseudomonas chlororaphis . Cryobiology 2003 , 47 , 21 – 29 .
   PubMed Web of Science ®Google Scholar
• Ndoye , B. ; Weekers , F. ; Diawara , B. ; Guiro , A.T. ; Thonart , P. Survival and preservation after freeze-drying process of thermoresistant acetic acid bacteria isolated from tropical products of Sub-Saharan Africa . Journal of Food Engineering 2007 , 79 , 1374 – 1382 .
   Web of Science ®Google Scholar
• Otero , M.C. ; Espeche , M.C. ; Nader-Macías , M.E. Optimization of the freeze-drying media and survival throughout storage of freeze-dried Lactobacillus gasseri and Lactobacillus delbrueckii subsp. for veterinarian probiotic applications . Process Biochemistry 2007 , 42 , 1406 – 1411 .
   Web of Science ®Google Scholar
• Lee , J.S. ; Cha , D.S. ; Park , H.J. Survival of freeze-dried Lactobacillus bulgaricus KFRI 673 in chitisan-coated calcium alginate microparticles . Journal of Agriculture and Food Chemistry 2004 , 52 , 7300 – 7305 .
   PubMed Web of Science ®Google Scholar
• Ckakraborty , R. ; Mukhopadhyay , P. ; Bera , M. ; Suman , S. Infrared-assisted freeze-drying of tiger prawn: Parameter optimization and quality assessment . Drying Technology 2011 , 29 ( 5 ), 508 – 519 .
   Web of Science ®Google Scholar
• Chakraborty , R. ; Bera , M. ; Bhattacharya , I. Infrared assisted freeze-drying of Brahmi (Bacopa monnieri) extracts: Analyses of phytochemical constituents and antimicrobial activity . International Journal of Emerging Trends in Engineering and Development 2012 , 5 ( 2 ), 50 – 66 .
   Google Scholar
• Crank , J. The Mathematics of Diffusion ; Oxford University Press : Oxford , 1956 .
   Google Scholar
• Beveridge , T.J. ; Murray , R.G.E. Sites of metal deposition in the cell wall of Bacillus subtilis . Journal of Bacteriology 1980 , 141 ( 2 ), 876 – 887 .
   PubMed Web of Science ®Google Scholar
• Demirkan , E. Production, purification, and characterization of α-amylase by Bacillus subtilis and its mutant derivates . Turkish Journal of Biology 2011 , 35 , 705 – 712 .
   Web of Science ®Google Scholar
• Chen , H.C. ; Lin , C.W. ; Chen , M.J. The effects of freeze drying and rehydration on survival of microorganisms in kefir . Asian-Australian Journal of Animal Sciences 2006 , 19 ( 1 ), 126 – 130 .
   Web of Science ®Google Scholar
• Chakraborty , R. ; Bera , M. ; Mukhopadhyay , P. ; Bhattacharya , P. Prediction of optimal conditions of infrared assisted freeze-drying of aloevera (Aloe barbadensis) using response surface methodology . Separation and Purification Technology 2011 , 80 , 375 – 384 .
   Web of Science ®Google Scholar
• George , J.P. ; Datta , A.K. Development and validation of heat and mass transfer models for freeze-drying of vegetable slices . Journal of Food Engineering 2002 , 52 , 89 – 93 .
   Web of Science ®Google Scholar
• Chakraborty , R. ; Saha , A.K. ; Bhattacharya , P. Modeling and simulation of parametric sensitivity in primary freeze-drying of foodstuffs . Separation and Purification Technology 2006 , 49 , 258 – 263 .
   Web of Science ®Google Scholar
• Jafar , F. ; Farid , M. Analysis of heat and mass transfer in freeze drying . Drying Technology 2003 , 21 , 249 – 263 .
   Web of Science ®Google Scholar
• Waananen , K.M. ; Okos , M.R. Effect of porosity on moisture diffusion during drying of Pasta . Journal of Food Engineering 1996 , 28 , 121 – 137 .
   Web of Science ®Google Scholar
• Srikiatden , J. ; Roberts , J.S. Measuring moisture diffusivity of potato and carrot (core and cortex) during convective hot air and isothermal drying . Journal of Food Engineering 2006 , 74 , 146 – 152 .
   Web of Science ®Google Scholar
• Gupta , A. ; Phung , L.T. ; Chakravarty , L. ; Silver , S. Mercury resistance in Bacillus cereus RC607: Transcriptional organization and two new open reading frames . Journal of Bacteriology 1999 , 181 ( 22 ), 7080 – 7086 .
   PubMed Web of Science ®Google Scholar
• Ghoshal , S. ; Bhattacharya , P. ; Chowdhury , R. De-mercurization of wastewater by Bacillus cereus (JUBT1): Growth kinetics, biofilm reactor study and field emission scanning electron microscopic analysis . Journal of Hazardous Materials 2011 , 194 , 355 – 361 .
   PubMed Web of Science ®Google Scholar
• Brown , N.L. ; Misra , T. ; Winnie , J.N. ; Schmidt , A. ; Seiff , M. The nucleotide sequence of the mercuric resistance operons of plasmid R100 and transposon Tn501: Further evidence for mer genes, which enhance the activity of the mercuric ion detoxification system . Molecular and General Genetics 1986 , 202 , 143 – 151 .
   PubMedGoogle Scholar
• Tessema , D.A. , Rosen , R. ; Pedazur , R. ; Belkin , S. ; Gun , J. ; Ekeltchik , I. ; Lev , O. Freeze-drying of sol–gel encapsulated recombinant bioluminescent E.coli by using lyo-protectants . Sensors and Actuators 2006 , B113 , 768 – 773 .
   Google Scholar
• Togrul , H. Simple modeling of infrared drying of fresh apple slices . Journal of Food Engineering 2005 , 71 ( 3 ), 311 – 323 .
   Web of Science ®Google Scholar
• Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/ldrt.
   Google Scholar