The University of Arizona
 
Sadhana RavishankarSADHANA RAVISHANKAR

Sadhana Ravishankar,
Ph. D. University of Georgia, 1998
Asst. Research Professor

Dept. of Vet. Sci. and Microbiology
The University of Arizona
1117 E. Lowell Street Rm 411
Tucson, AZ 85721-0090

e-mail: sadhravi@email.arizona.edu
Ph: 520-626-1499
Fax: 520-621-6366

Teaching

MIC 205A General Microbiology - Summer Session

Research interests

Stress response in foodborne pathogenic bacteria. Control of foodborne pathogenic bacteria using thermal and non-thermal technology and multiple hurdle approach. Natural antimicrobials.

Selected Publications

Nicole Maks, Libin Zhu, Vijay K. Juneja, Sadhana Ravishankar, Sodium lactate, sodium diacetate and pediocin: Effects and interactions on the thermal inactivation of Listeria monocytogenes on bologna, Food Microbiology, In Press, Corrected Proof, Available online 18 August 2009, ISSN 0740-0020, DOI: 10.1016/j.fm.2009.08.004.

Ravishankar, S., Zhu, L., Olsen, C. W., McHugh, T. H. and Friedman, M. (2009). Edible Apple Film Wraps Containing Plant Antimicrobials Inactivate Foodborne Pathogens on Meat and Poultry Products. Journal of Food Science. 74 (8): M440- M445.

Friedman, M., Zhu, L., Feinstein, Y. and Ravishankar, S. (2009). Carvacrol facilitates heat-induced inactivation of Escherichia coli O157:H7 and inhibits formation of heterocyclic amines in grilled ground beef patties. Journal of Agricultural and Food Chemistry. 57 (5): 1848-1853.

Ravishankar, S., Zhu, L., Law, B., Joens, L. and Friedman, M. (2008). Plant-derived compounds inactivate antibiotic resistant Campylobacter jejuni strains. Journal of Food Protection.. 71 (6): 1145-1149.

Ravishankar, S., Zhang, H. and Kempkes, M. (2008). An Update on Emerging Food Processing Technologies in North America- Pulsed Electric Fields. Food Science and Technology International. 14 (5): 429-432.

Fonseca, J. and Ravishankar. S. (2007). Safer Salads. American Scientist. 95: 494-501.

Ravishankar, S. and Maks, N. (2007). (Invited book chapter) Basic Food Microbiology. In Advances in Thermal and Non-Thermal Food Preservation eds. G. Tewari and V. K.Juneja.  Blackwell Publishing.  Pages 3-31.

Pascall, M., Ravishankar, S., Ghiron, K. and Johannessen, N. (2006). The use of magnetic resonance for detection of bacterial contamination in packaged shelf-stable low acid foods. Journal of Food Protection. 69: 1668-1674.

Schlesser, J. E., Gerdes, R., Ravishankar, S., Madsen, K., Mowbray, J. and Teo, A. Y.-L. (2006). Survival of a five strain cocktail of Escherichia coli O157:H7 during the 60-day aging period of cheddar cheese made from unpasteurized milk. Journal of Food Protection. 69: 990-998

Uhart, M., Ravishankar, S. and Maks, N. (2006). Effect of spices on growth and survival of Salmonella Typhimurium DT104 inoculated in ground beef stored at 4 and 8oC. J. Food Safety. 26: 115-125.

Gupta, S. and Ravishankar, S. (2005). Antimicrobial activity of garlic, ginger, turmeric and carrot against Escherichia coli O157:H7 in ground beef. Foodborne Pathogens and Disease. 2(4): 330-340.

Ravishankar, S., Pascall. M. Maks, N. and Strassheim, H. (2005). Minimum channel leak and pin hole size for bacterial entry into polymeric trays used for the packaging of shelf stable low-acid foods. Journal of Food Protection. 68: 2376-2382.

Ravishankar, S. (2004). Book Review on ‘Food Microbiology: a laboratory Manual’. Food Microbiology. 21:489.

Uhart, M., Ravishankar, S. and Maks, N. D. (2004) Control of Listeria monocytogenes with combined antimicrobials on beef franks stored at 4oC . Journal of Food Protection. 67: 2296-2301.

Tipparaju, S., Ravishankar, S. and Slade, P.J. (2004). The survival of Listeria monocytogenes in vanilla flavored soymilk and yogurt stored at 8oC. Journal of Food Protection. 67: 378-382.

Fleishman, G., Ravishankar. S., Ghiron, K. and Balasubramaniam, V. M. (2004). The lethality of pulsed electric field (PEF) treatment on Listeria monocytogenes in a static chamber. Food Microbiology. 21:91-95.

Ravishankar, S. and V. K. Juneja, (2003). (Invited book chapter) Adaptation/Resistance responses of bacteria to stresses in food processing environments. In Microbial adaptation to stress and safety of new-generation foods eds. A. E. Yousef and V. K. Juneja. CRC Press. Pages 105-158.

Ravishankar, S., Fleishman, G. and Balasubramaniam, V.M. (2002). The inactivation of Escherichia coli O157:H7 during pulsed electric field treatment in a static chamber. Food Microbiology. 19 (4): 351-361.

Teo, A.Y-L., Ravishankar, S. and Sizer, C. E. (2001). Effect of high pressure treatment at 15oC on the survival of Escherichia coli O157:H7 strains and various serotypes of Salmonella in unpasteurized fruit juices. Journal of Food Protection. 64 (8): 1122-1127.

Ravishankar, S., Harrison, M. A., and L. Wicker. (2001). Protein profile changes in acid adapted Listeria monocytogenes exhibiting cross-protection against an activated lactoperoxidase system. Journal of Food Safety. 20 (1): 27-42.

Ravishankar, S. and V. K. Juneja, (2000). (Invited book chapter) Sodium chloride. In Natural food antimicrobial systems ed. A.S. Naidu. CRC Press. Pages 705-724.

Ravishankar, S. and Harrison, M. A. (1999). Acid adaptation of Listeria monocytogenes strains does not offer cross-protection against an activated lactoperoxidase system in skim milk. Journal of Food Protection. 62 (6): 670-673.


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