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United States Department of Agriculture

Agricultural Research Service

Related Topics

Dike O Ukuku
Food Safety and Intervention Technologies Research
Food Technology

Phone: (215) 233-6427
Fax: (215) 233-6406
Room 3024B

600 E MERMAID LN
ERRC
WYNDMOOR , PA 190388598

Projects
Development and Validation of Innovative Food Processing Interventions
Appropriated (D)
  Accession Number: 430166

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Inactivation of Salmonella enterica and Listeria monocytogenes in cantaloupe puree by high hydrostatic pressure with/without added ascorbic acid -
Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya -
Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M., Ukuku, D.O. 2016. Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya. Food Security Journal. 8:757-767.
Growth dynamics of specific spoilage organisms and associated spoilage biomarkers in chicken breast stored aerobically -
Miks-Krajnik, M., Yoon, Y., Ukuku, D.O., Yuk, H. 2016. Growth dynamics of specific spoilage organisms and associated spoilage biomarkers in chicken breast stored aerobically. Food Microbiology and Safety Journal. DOI:10.1111/1750-3841.13371.
Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces -
Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces. Journal of Food Protection. DOI:10.4315/0362-028X.JFP-16-046.
Yield potential of pigeon pea cultivars -
Ojwang, D.J., Nyankanga, R.O., Olanya, O.M., Ukuku, D.O., Imungi, J. 2016. Yield potential of pigeon pea cultivars. Subtropical Agriculture and Environments. 67:1-12.
Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole fruit after wet steam treatment -
Ukuku, D.O., Geveke, D.J., Chau, L.I., Niemira, B.A. 2016. Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole fruit after wet steam treatment. International Journal of Food Microbiology. doi: 10.1016/j.ijfoodmicro.2016.05.019.
Changes in microbial populations of WPC34 and WPC80 whey protein during long term storage -
Ukuku, D.O., Onwulata, C.I., Mukhopadhyay, S., Thomas-Gahring, A.E., Chau, L.I., Tunick, M.H. 2016. Changes in microbial populations of WPC34 and WPC80 whey protein during long term storage. Journal of Food Processing and Preservation. doi: 10/1111/jfpp.12743.
Physical and chemical changes in whey protein concentrate stored at elevated temperature and humidity Reprint Icon -
Tunick, M.H., Thomas-Gahring, A.E., Van Hekken, D.L., Iandola, S.K., Singh, M., Qi, P.X., Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I., Tomasula, P.M. 2016. Physical and chemical changes in whey protein concentrate stored at elevated temperature and humidity. Journal of Dairy Science. 99:2372-2383. DOI: 10.3168/jds.2015-10256.
Volatile chemical spoilage indexes of raw Atlantic salmon (salmo salar)stored under aerobic condition in relation to microbiological and sensory shelf lives -
Krajnik, M., Yoon, Y., Ukuku, D.O., Hyun, G. 2016. Volatile chemical spoilage indexes of raw Atlantic salmon (salmo salar)stored under aerobic condition in relation to microbiological and sensory shelf lives. Food Microbiology. 53:182-191.
Quality of whey powders stored under adverse conditions -
Tunick, M.H., Thomas-Gahring, A.E., Van Hekken, D.L., Iandola, S.K., Bazemore, R., Allison, C., Bazemore, K., Singh, M., Qi, P.X., Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I., Tomasula, P.M. 2015. Quality of whey powders stored under adverse conditions. Meeting Abstract. Abstract of 2015 International Chemical Congress of Pacific Basin Societies. December 15-20, 2015, Honolulu, Hawaii. ENVR102.
Survival, Injury and Inactivation of Human Bacterial Pathogens in Foods: Effect of Non-Thermal Treatments -
Ukuku, D.O., Latiful, B., Kassama, L.S., Mukhopadhyay, S., Olanya, O.M. 2015. Survival, Injury and Inactivation of Human Bacterial Pathogens in Foods: Effect of Non-Thermal Treatments. Book Chapter. Foodborne Pathogens and Safety (Food Biology Series) Bari, Md.L, Dike Ukuku, editors; CRC Press.Taylor and Francis Group.Boca Raton, Florida, USA. p. 82-96.
Effects of integrated treatment of nonthermal UV-C light and different antimicrobial wash on Salmonella enterica on plum tomatoes Reprint Icon -
Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K. 2015. Effects of different combined non-thermal treatments against Salmonella enterica on plum tomatoes. Food Control. 56:147-154. DOI: 10.1016/j.foodcont.2015.03.020.
Foodborne illness and microbial agents -
Ukuku, D.O., Latiful, B. 2015. Foodborne illness and microbial agents. Book Chapter. Foodborne Pathogens and Safety (Food Biology Series);Bari,Md.L.,Ukuku, Dike (editors) CRC Press, Taylor and Francis Group.Boca Raton, Florida, USA. p. 16-34.
Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes -
Olanya, O.M., Taylor, J., Ukuku, D.O., Malik, N.S. 2014. Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes. Biocontrol Science and Technology. 25(4):399-413. DOI:10.1080/09583157.2014.982513.
Evaluating natural antimicrobials for food application, in natural antimicrobials for food safety and quality -
Ukuku, D.O., Mukhopadhyay, S., Juneja, V.K., Rajkowski, K.T. 2014. Evaluating natural antimicrobials for food application, in natural antimicrobials for food safety and quality. Book Chapter. Oxford, UK: Woodhead Publishing. p. 185-202.
Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage -
Ukuku, D.O., Huang, L., Sommers, C.H. 2014. Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage. Journal of Food Protection. 78:1288-1295.
Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta -
Ukuku, D.O., Geveke, D.J., Mukhopadhyay, S., Olanya, O.M., Juneja, V.K. 2014. Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta. Journal of Food Processing and Technology. 5:385.
Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes -
Olanya, O.M., Ukuku, D.O. 2014. Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes. Meeting Abstract. IAFP Meeting, Indianapolis, Indiana. Volume 5: Page 44.
Effects of UV-C treatment on inactivation of Salmonella and Escherichia coli O157:H7 on tomato surface and steam scars, native microbial loads, and quality of grape tomatoes Reprint Icon -
Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K., Fan, X. 2014. Effects of UV-C treatment on inactivation of Salmonella and Escherichia coli O157:H7 on tomato surface and steam scars, native microbial loads, and quality of grape tomatoes. Food Control. http://dx.doi.org/10.1016/j.foodcont.2014.03.027.
Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times. -
Olanya, O.M., Ukuku, D.O., Niemira, B.A., Taylor, J. 2014. Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.. Meeting Abstract. IAFP Meeting. Indianapolis, Indiana. Volume 71, Page 67.
Behavior of native microbial populations of WPC-34 and WPC-80 whey protein stored at different temperatures Reprint Icon -
Ukuku, D.O., Onwulata, C.I., Thomas-Gahring, A.E., Mukhopadhyay, S., Tunick, M.H. 2014. Behavior of native microbial populations of WPC-34 and WPC-80 whey protein stored at different temperatures. Journal of Food Processing and Technology. DOI: 10.4172/2157-7110l.1000304.
Interactive effects of temperature, pH, and water activity on the growth kinetics of Shiga-toxin producing Escherichia coli O104:H4 Reprint Icon -
Juneja, V.K., Mukhopadhyay, S., Ukuku, D.O., Hwang, C., Wu, V.C., Harshavardhan, T. 2014. Interactive effects of temperature, pH, and water activity on the growth kinetics of Shiga-toxin producing Escherichia coli O104:H4. Journal of Food Protection. 77(5):706-712 doi:10.431/0362-028XJFP-13-387.
Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro Reprint Icon -
Olanya, O.M., Ukuku, D.O., Niemira, B.A. 2014. Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro. Food Control. 39:128-134.
Inactivation of natural microflora and Escherichia coli K-12 on cantaloupe rind surfaces using wet steam treatments -
Ukuku, D.O., Geveke, D.J., Chau, L.I., Bigley Jr, A.B. 2013. Inactivation of natural microflora and Escherichia coli K-12 on cantaloupe rind surfaces using wet steam treatments. International Association for Food Protection. 1:1.
Survival and growth populations of Salmonella transferred from melon rind surfaces to cantaloupe, honeydew, and watermelon pulps during preparation -
Ukuku, D.O. 2013. Survival and growth populations of Salmonella transferred from melon rind surfaces to cantaloupe, honeydew, and watermelon pulps during preparation. Meeting Abstract. Annual IAFP meeting., Charlotte, NC., July 28-31, 2013. Volume 1, Page 1.
Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes -
Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2013. Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes. International Journal of Food, Agriculture, and the Environment. 11(3&4):340-345.
Survival and growth parameters of Escherichia Coli 0157:H7, Salmonella Spp. and Listeria Monocytogenes on fresh-cut pieces prepared from whole cantaloupe treated with Lovit sanitizer -
Ukuku, D.O., Huang, L. 2013. Survival and growth parameters of Escherichia Coli 0157:H7, Salmonella Spp. and Listeria Monocytogenes on fresh-cut pieces prepared from whole cantaloupe treated with Lovit sanitizer. Meeting Abstract. 2nd International Conference and Exhibition on Nutritional Science and Therapy, Philadelphia, PA., July 15-17, 2013., Volume 1, Page 1.
Produce safety and quality research at ERRC -
Ukuku, D.O. 2013. Produce safety and quality research at ERRC. Meeting Abstract., International Conference and Exhibition on Nutritional Science and Therapy, July 15-17, 2013, Philadelphia, PA., Volume 1, Page 1.
Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens -
Olanya, O.M., Niemira, B.A., Ukuku, D.O., Annous, B.A., Sommers, C.H. 2013. Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens. The 2nd International Conference and Exhibition on Nutritional Science. Abstract. 3(4):69.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Annous, B.A., Niemira, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. International Journal of Food, Agriculture, and the Environment. 11:86-91.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Niemira, B.A., Annous, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. Meeting Abstract. Journal of Food Protection, Volume 76 (supplement),Page 35.
Membrane damage and viability loss of thermally treated and high hydrostatic pressurized E. coli 0157:H7 and Salmonella spp. in apple juice Reprint Icon -
Ukuku, D.O., Yamamoto, K., Bari, M., Mukhopadhyay, S., Juneja, V.K., Kawamoto, S. 2013. Membrane damage and viability loss of thermally treated and high hydrostatic pressurized E. coli 0157:H7 and Salmonella spp. in apple juice. Journal of Food Processing and Technology. 4:236 doi:10.4172/2157-7110.1000236.
Efficacy of integrated treatment of UV light and low dose gamma irradiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes Reprint Icon -
Mukhopadhyay, S., Ukuku, D.O., Fan, X., Juneja, V.K. 2013. Efficacy of integrated treatment of UV light and low dose gamma irradiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes. Journal of Food Science. DOI:10.1111/1750-3841.12154.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2013. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Meeting Abstract. IFT13., July 13-16,2013, Chicago, Illinois., Page 104.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach Reprint Icon -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2012. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Journal of Food Safety. 32:492-501.
Effect of storage temperature on survival and recovery of thermal and extrusion injured Escherichia coli populations in whey protein concentrate and corn meal -
Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I. 2013. Effect of storage temperature on survival and recovery of thermal and extrusion injured Escherichia coli populations in whey protein concentrate and corn meal. Foodborne Pathogens and Disease. Volume 10(1):62-68.
Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens. Journal of Food Protection. 75(11)1912-1919.
Cellular damage of Escherichia coli 0157:H7 and Salmonella spp. in apple juice treated with high hydrostatic pressure and thermal death time disks -
Ukuku, D.O., Yamamoto, K., Kawamoto, S. 2012. Cellular damage of Escherichia coli 0157:H7 and Salmonella spp. in apple juice treated with high hydrostatic pressure and thermal death time disks. Meeting Abstract. American Chemical Society Meeting and Exposition.,Philadelphia, PA, August 19-23, 2012., Volume 1,Page 1.
Effect of thermal and radio frequency electric fields treatments on Escherichia coli bacteria in apple juice -
Ukuku, D.O., Geveke, D.J., Cooke, P.H. 2012. Effect of thermal and radio frequency electric fields treatments on Escherichia coli bacteria in apple juice. Journal of Microbial and Biochemical Technology. 4(3):076-081.
Behavior of Escherichia coli bacteria in whey protein and corn meal during twin screw extrusion processing at different temperatures -
Ukuku, D.O., Onwulata, C.I., Mukhopadhyay, S. 2012. Behavior of Escherichia coli bacteria in whey protein and corn meal during twin screw extrusion processing at different temperatures. Journal of Food Processing and Technology. 3(4):1000150.
Survival and growth of Salmonella Enteritidis in membrane processed liquid egg white with pH, temperature and storage conditions as controlling factors -
Mukhopadhyay, S., Ukuku, D.O., Phillips, J.G., Juneja, V.K. 2012. Survival and growth of Salmonella Enteritidis in membrane processed liquid egg white with pH, temperature and storage conditions as controlling factors. Food Microbiology. 75(7):1219-1226.
Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes [abstract]. International Association for Food Protection Annual Meeting., July 20-25, 2012, Providence, Rhode Island. 1:1.
The effects of integrated treatment of UV light and low dose gamma radiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes -
Mukhopadhyay, S., Ukuku, D.O., Fratamico, P.M. 2012. The effects of integrated treatment of UV light and low dose gamma radiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes [abstract]. International Association for Food Protection, July 22-25, 2012, Providence, Rhode Island. 1:1.
Efficacy of modified antimicrobial treatments on microbial safety and overall acceptability of fresh-cut cantaloupe melons -
Influence of pH, temperature and storage condition on survival and growth of Salmonella Enteritidis in membrane processed liquid egg white -
Mukhopadhyay, S., Phillips, J.G., Ukuku, D.O. 2012. Influence of pH, temperature and storage condition on survival and growth of Salmonella Enteritidis in membrane processed liquid egg white [abstract]. International Food Technology Meeting Abstracts. IFT Annual Meeting. June 25-28, 2012, Las Vegas, NV. 1:1.
Yersiniosis and food safety -
Md. Latiful, B., Ukuku, D.O., Isshiki, K., Ramesh, R.C., Didier, M. 2012. Yersiniosis and food safety. Journal of Pathogens. Volume 2012, Article 605037, Page 1.
Hydrogen peroxide -
Ukuku, D.O., Md. Latiful, B., Kawamoto, S. 2012. Hydrogen peroxide. In: Gomez-Lopez, V.M., editor. Decontamination of Fresh and Minimally Processed Produce. First Edition. Ames, IA: John Wiley & Sons, Inc. p. 197-214.
Effect of heat and radio frequency electric field treatments on membrane damage and intracellular leakage of UV-substances of Escherichia coli K-12 in apple juice -
Ukuku, D.O., Geveke, D.J., Cooke, P.H. 2011. Effect of heat and radio frequency electric field treatments on membrane damage and intracellular leakage of UV-substances of Escherichia coli K-12 in apple juice. IAFP Meeting, Milwaukee, Wisconsin, 7/31 - 8/3/2011. Volume 1, Page 1.
Behavior of Yersinian enteriocolitica in foods -
Bari, M., Hossain, M., Isshiki, K., Ukuku, D.O. 2011. Behavior of Yersinian enteriocolitica in foods. Journal of Pathogens. 420732:1-13.
A bioluminescence ATP assay for estimating surface hydrophobicity and membrane damage of Escherichia coli cells treated with pulsed electric fields -
Ukuku, D.O., Yuk, H., Zhang, H.Q. 2011. A bioluminescence ATP assay for estimating surface hydrophobicity and membrane damage of Escherichia coli cells treated with pulsed electric fields. Foodborne Pathogens and Disease. Volume 8, Number 10, 2011, Pages 1103-1109.
Effect of storage temperatures on injured escherichia coli cell populations in whey and corn meal snacks treated with a twin screw extruder -
Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I. 2011. Effect of storage temperatures on injured escherichia coli cell populations in whey and corn meal snacks treated with a twin screw extruder. IFT Annual Meeting and Food Expo, June 11-14, 2011, New Orleans, LA., Volume 1, P.1.
Viability loss of Escherichia coli cell populations in whey and corn meal snack treated at different temperatures with a twin screw extruder -
Ukuku, D.O. 2011. Viability loss of Escherichia coli cell populations in whey and corn meal snack treated at different temperatures with a twin screw extruder. IFT Annual meeting and Food Expo, June 11-14, 2011, New Orleans, LA., Volume 1, P. 1.
Survival, injury and inactivation of human bacterial pathogens in foods: effect of thermal and non-thermal treatments -
Behavior of pulsed electric field injured Escherichia coli O157:H7 cells in apple juice amended with pyruvate and catalase -
Ukuku, D.O., Yuk, H., Zhang, H.Q. 2010. Behavior of pulsed electric field injured Escherichia coli O157:H7 cells in apple juice amended with pyruvate and catalase. Journal of Microbial and Biochemical Technology. 2(6):134-138.
Behavior of radio frequency electric fields injured Escherichia coli in nutrient and non nutrient media during storage -
Ukuku, D.O., Geveke, D.J., Zhang, H.Q. 2010. Behavior of radio frequency electric fields injured Escherichia coli in nutrient and non nutrient media during storage. International Journal of Food Microbiology. 8(3&4):170-174.
A combined treatment of UV-light and radio frequency electric field for the inactivation of Escherichia coli K-12 in apple juice -
Ukuku, D.O., Geveke, D.J. 2010. A combined treatment of UV-light and radio frequency electric field for the inactivation of Escherichia coli K-12 in apple juice. International Journal of Food Microbiology. 138:50-55.
Difference in cellular damage and cell death in thermal death time disks and high hydrostatic pressure treated Salmonella Enteritidis (ATCC13076) in liquid whole egg -
Ukuku, D.O. 2009. Difference in cellular damage and cell death in thermal death time disks and high hydrostatic pressure treated Salmonella Enteritidis (ATCC13076) in liguid whole egg. Proceedings of the United States-Japan Cooperative Program In Natural Resources (UJNR). Food and Agriculture Panel 38th Annual Meeting. October 3-9, 2009, Tsukuba, Japan. p. 107-110.
Leakage of Intracellular UV Materials of High Hydrostatic Pressure-Injured Escherichia Coli O157:H7 Strains in Tomato Juice -
Ukuku, D.O., Zhang, H.Q., Latiful, B., Yamamoto, K., Kawamoto, S. 2009. Leakage of Intracellular UV Materials of High Hydrostatic Pressure-Injured Escherichia Coli O157:H7 Strains in Tomato Juice. Journal of Food Protection. 72(11):2407-2412.
Growth parameters of escherichia coli O157:H7, salmonella and listeria monocytogenes and aerobic mesophilic bacteria of apple cider amended with nisin-EDTA -
Ukuku, D.O., Zhang, H.Q., Huang, L. 2009. Growth parameters of escherichia coli O157:H7, salmonella and listeria monocytogenes and aerobic mesophilic bacteria of apple cider amended with nisin-EDTA. Foodborne Pathogens and Disease. 6(4):487-494.
Membrane damage and viability loss of Escherichia coli K-12 and Salmonella entertidis in liquid egg by thermal death time disk treatment -
Ukuku, D.O., Jin, Z.T., Zhang, H.Q. 2008. Membrane damage and viability loss of Escherichia coli K-12 and Salmonella entertidis in liquid egg by thermal death time disk treatment. Journal of Food Protection. 71(10):1988-1995.
Membrane Damage and Viability Loss of Escherichia coli K-12 in Apple Juice Treated with Radio Frequency Electric Fields -
Ukuku, D.O., Geveke, D.J., Cooke, P.H., Zhang, H.Q. 2008. Membrane Damage and Viability Loss of Escherichia coli K-12 in Apple Juice Treated with Radio Frequency Electric Fields. Journal of Food Protection. 71(4):684-690.
Effect of Hydrostatic Pressure Pulsing on the Inactivation of Salmonella Enteritidis in Liquid Whole Egg -
Bari, M.L., Ukuku, D.O., Mori, M., Kawamoto, S., Yamamoto, K. 2008. Effect of Hydrostatic Pressure Pulsing on the Inactivation of Salmonella Enteritidis in Liquid Whole Egg. Foodborne Pathogens and Disease. 5(2):175-182.
Efficiency of high pressure treatment on the inactivation of Escherichia coli O157:H7 in tomato juice and Salmonella in liquid whole egg -
Bari, L., Mori, M., Ukuku, D.O., Kawamoto, S., Yamamoto, K. 2007. Efficiency of high pressure treatment on the inactivation of Escherichia coli O157:H7 in tomato juice and Salmonella in liquid whole egg. In: Proceedings of the 4th International Conference on High Pressure Bioscience and Biotechnology. September 27, 2006, Tsukuba, Japan. p.272-279.
EFFCT OF HIGH-PRESSURE TREATMENT ON SURVIVAL OF ESCHERICHIA COLI 0157:H7 POPULATION IN TOMATO JUICE -
Bari, M.L., Mori, M., Ukuku, D.O., Kawamoto, S., Kawamoto, K. 2007. Effct of high-pressure treatment on survival of escherichia coli 0157:h7 population in tomato juice. International Journal of Food, Agriculture, and the Environment. 5(1):111-115.
EFFECT OF TIME BEFORE STORAGE AND STORAGE TEMPERATURE ON SURVIVAL OF SALMONELLA INOCULATED ON FRESH-CUT MELONS -
Ukuku, D.O., Sapers, G.M. 2006. EFFECT OF TIME BEFORE STORAGE AND STORAGE TEMPERATURE ON SURVIVAL OF SALMONELLA INOCULATED ON FRESH-CUT MELONS. Food Microbiology. 24:288-295.
EFFECT OF CELL SURFACE CHARGE AND HYDROPHOBICITY ON ATTACHMENT OF 16 SALMONELLA SEROVARS TO CANTALOUPE RIND AND DECONTAMINATION WITH SANITIZERS -
Ukuku, D.O., Fett, W.F. 2006. Effect of cell surface charge and hydrophobicity on attachment of 16 salmonella serovars to cantaloupe rind and decontamination with sanitizers . Journal of Food Protection. 69(8):1835-1843.
EFFECT OF VACUUM STEAM VACUUM TREATMENT ON MICROBIAL QUALITY OF WHOLE AND FRESH-CUT CANTLOUPE PIECES -
Ukuku, D.O., Kozempel, M.F., Fan, X. 2006. Effect of vacuum steam vacuum treatment on microbial quality of whole and fresh-cut cantloupe pieces. Journal of Food Protection. 69(7):1623-1629.
EFFICIENCY OF HIGH PRESSURE TREATMENT ON THE INACTIVATION OF ESCHERICHIA COLI 0157:H7 IN TOMATO JUICE AND LIQUID WHOLE EGG -
Bari, M.L., Mori, M., Ukuku, D.O., Kawamoto, S., Kawamoto, K. 2005. Efficiency of high pressure treatment on the inactivation of escherichia coli 0157:h7 in tomato juice and liquid whole egg. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 34st Annual meeting, October 23-29, 2005. Susono, Shizuoka, Japan. P. 349-355.
EFFECT OF PROCESSING UNDER ULTRAVIOLET LIGHT ON THE SHELF LIFE OF FRESH-CUT CANTALOUPE MELON -
Lamikanra, O., Bett Garber, K.L., Kueneman, D., Ukuku, D.O. 2005. Effect of processing under ultraviolet light on the shelf life of fresh-cut cantaloupe melon. Journal of Food Science. 70:534-539.
BIOFILM FORMATION BY SALMONELLA SPP. ON CANTALOUPE SURFACES -
Solomon, E.B., Cooke, P.H., Burke, A.M., Ukuku, D.O., Annous, B.A. 2005. Biofilm formation by salmonella spp. on cantaloupe surfaces. Journal of Food Safety. 25:276:287.
ATP BIOLUMINESCENCE ASSAY FOR ESTIMATION OF MICROBIAL POPULATIONS OF FRESH-CUT MELON -
Ukuku, D.O., Sapers, G.M., Fett, W.F. 2005. ATP bioluminescence assay for estimation of microbial populations of fresh-cut melon. Journal of Food Protection. 68(11):2427-2432.
EFFECT OF SANITIZING TREATMENTS ON CANTALOUPE SURFACE STRUCTURE, REMOVAL OF BACTERIA AND RE-CONTAMINATION WITH SALMONELLA -
Ukuku, D.O., Cooke, P.H. 2005. Effect of sanitizing treatments on cantaloupe surface structure, removal of bacteria and re-contamination with salmonella. Food Microbiology. 23:289-293.
USE OF HYDROGEN PEROXIDE IN COMBINATION WITH NISIN, SODIUM LACTATE AND CITRIC ACID IN REDUCING TRANSFER OF BACTERIAL PATHOGENS FROM WHOLE MELON SURFACES TO FRESH-CUT PIECES -
Ukuku, D.O., Bari, M.L., Kawamoto, S., Isshiki, K. 2005. Use of hydrogen peroxide in combination with nisin, sodium lactate and citric acid in reducing transfer of bacterial pathogens from whole melon surfaces to fresh-cut pieces. International Journal of Food Microbiology. 104:225-233.
COMBINED ACTION OF NISIN AND PEDIOCIN WITH SODIUM LACTATE, CITRIC ACID, PHYTIC ACID AND POTASSIUM SORBATE AND EDTA IN REDUCING LISTERIA MONOCYTOGENES POPULATION OF INOCULATED FRESH-CUT PRODUCE -
Bari, M.L., Kawasaki, T., Inatsu, Y., Ukuku, D.O., Isshiki, K., Kawamoto, S. 2005. Combined action of nisin and pediocin with sodium lactate, citric acid, phytic acid and potassium sorbate and edta in reducing listeria monocytogenes population of inoculated fresh-cut produce. Journal of Food Protection. 68(7):1381-1387.
MECHANISMS OF MICROBIAL SPOILAGE OF FRUITS AND VEGETABLES -
Niemira, B.A., Sommers, C.H., Ukuku, D.O. 2005. Mechanisms of microbial spoilage of fruits and vegetables. In: Lamikanra, O., Imam, S.H., Ukuku, D.O., editors. Produce Degradation: Reaction Pathways and their Prevention. New York, NY: Taylor and Francis Group. p. 463-482.
ENSURING THE MICROBIAL SAFETY OF MINIMALLY PROCESSED FRESH-CUT FRUITS -
Ukuku, D.O., Fett, W.F., Liao, C., Sapers, G.M. 2004. Ensuring the microbial safety of minimally processed fresh-cut fruits. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 33rd Annual meeting, December 11-18, 2004. Hawaii. p. 321-327.
ATTACHMENT OF BACTERIAL HUMAN PATHOGENS ON FRUIT AND VEGETABLES SURFACES -
Ukuku, D.O., Liao, C., Gembeh, S.V. 2005. Attachment of bacterial human pathogens on fruit and vegetables surfaces. Book Chapter. CRC Press. p. 419-438.
MICROBIOLOGICAL SAFETY ISSUES OF FRESH MELONS -
Ukuku, D.O., Sapers, G.M. 2005. Microbiological safety issues of fresh melons. In: Sapers, G.M., Gorny, J.R., Yousef, A.E., editors. Microbiology of Fruits and Vegetables. Boca Raton, FL: CRC Press. p. 231-251.
PRODUCE DEGRADATION: PATHWAYS AND PREVENTION -
Lamikanra, O., Imam, S.H., Ukuku, D.O. 2005. Produce degradation: pathways and prevention. CRC Press LLC. 0849319021.
EFFECT OF NISIN IN COMBINATION WITH EDTA, SODIUM LACTATE AND POTASSIUM SORBATE FOR REDUCING SALMONELLA ON WHOLE AND FRESH-CUT CANTALOUPE -
Ukuku, D.O., Fett, W.F. 2004. Effect of nisin in combination with edta, sodium lactate and potassium sorbate for reducing salmonella on whole and fresh-cut cantaloupe. Journal of Food Protection. 67(1):2143-2150.
INHIBITION OF LISTERIA MONOCYTOGENES BY NATIVE MICROFLORA OF WHOLE CANTALOUPE -
Ukuku, D.O., Fett, W.F., Sapers, G.M. 2004. Inhibition of listeria monocytogenes by native microflora of whole cantaloupe. Journal of Food Safety. 24:129-146.
EFFECT OF HYDROGEN PEROXIDE TREATMENT ON MICROBIAL QUALITY AND APPEARANCE OF WHOLE AND FRESH-CUT MELONS CONTAMINATED WITH SALMONELLA SPP -
Ukuku, D.O. 2004. Effect of hydrogen peroxide treatment on microbial quality and appearance of whole and fresh-cut melons contaminated with salmonella spp. International Journal of Food Microbiology. 95:137-146.
ROLE OF FLUORESCENT PSEUDOMONADS AND THEIR PECTOLYTIC ENZYMES IN SPOILAGE OF FRESH AND FRESH-CUT PRODUCE -
Liao, C., Ukuku, D.O. 2005. Role of fluorescent pseudomonads and their pectolytic enzymes in spoilage of fresh and fresh-cut produce. Book Chapter. CRC Press. 483-504.
METHOD OF APPLYING SANITIZERS AND SAMPLE PREPARATION AFFECTS RECOVERY OF NATIVE MICROFLORA AND SALMONELLA ON WHOLE CANTALOUPE SURFACES -
Ukuku, D.O., Fett, W.F. 2004. Method of applying sanitizers and sample preparation affects recovery of native microflora and salmonella on whole cantaloupe surfaces. Journal of Food Protection. 67:999-1004.
EFFECT OF HOT WATER AND HYDROGEN PEROXIDE TREATMENTS ON SURVIVAL OF SALMONELLA AND MICROBIAL QUALITY OF WHOLE AND FRESH-CUT CANTALOUPE -
Ukuku, D.O., Pilizota, V., Sapers, G.M. 2004. Effect of hot water and hydrogen peroxide treatments on survival of salmonella and microbial quality of whole and fresh-cut cantaloupe. Journal of Food Protection. 67:432-437.
EFFECT OF NISIN-EDTA, CHLORINE AND HYDROGEN PEROXIDE TREATMENTS IN REDUCING TRANSFER OF NATURALLY OCCURRING MICROFLORA OF WHOLE MELON TO FRESH-CUT PIECES -
Ukuku, D.O., Sapers, G.M., Fett, W.F. 2003. Effect of nisin-edta, chlorine and hydrogen peroxide treatments in reducing transfer of naturally occurring microflora of whole melon to fresh-cut pieces. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 32nd Annual meeting, November 9-15, 2003. Tsukuba, Ibaraki, Japan. p. 31-37.
BEHAVIOR OF LISTERIA MONOCYTOGENES INOCULATED ON WHOLE CANTALOUPE AND FRESH-CUT PIECES -
Ukuku, D.O. 2002. Behavior of listeria monocytogenes inoculated on whole cantaloupe and fresh-cut pieces. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Protein Resources Panel, 31st Annual meeting, December1-6, 2002 Monterey, California. P. K-1-K-9.
EFFECTIVENESS OF CHLORINE AND NISIN-EDTA TREATMENTS OF WHOLE MELONS AND FRESH-CUT PIECES FOR REDUCING NATIVE MICROFLORA AND EXTENDING SHELF LIFE -
UKUKU, D.O., FETT, W.F. EFFECTIVENESS OF CHLORINE AND NISIN-EDTA TREATMENTS OF WHOLE MELONS AND FRESH-CUT PIECES FOR REDUCING NATIVE MICROFLORA AND EXTENDING SHELF LIFE. JOURNAL OF FOOD SAFETY. 2002. V. 22. P. 231-353.
RELATIONSHIP OF CELL SURFACE CHARGE AND HYDROPHOBICITY WITH STRENGTH OF ATTACHMENT OF BACTERIA TO CANTALOUPE RIND -
BEHAVIOR OF LISTERIA MONOCYTOGENES INOCULATED ON CANTALOUPE SURFACES AND EFFICACY OF WASHING TREATMENTS TO REDUCE TRANSFER FROM RIND TO FRESH-CUT PIECES -
Ukuku, D.O., Fett, W.F. 2002. Behavior of listeria monocytogenes inoculated on cantaloupe surfaces and efficacy of washing treatments to reduce transfer from rind to fresh-cut pieces. Journal of Food Protection. 65(6):924-930.
EFFECT OF SANITIZER TREATMENTS ON SALMONELLA STANLEY ATTACHED TO THE SURFACE OF CANTALOUPE AND CELL TRANSFER TO FRESH-CUT TISSUES DURING CUTTINGPRACTICES -
BIOLUMINESCENCE ATP ASSAY FOR ESTIMATING TOTAL PLATE COUNTS OF SURFACE MICROFLORA OF WHOLE CANTALOUPE AND DETERMINING EFFICACY OF WASHING TREATMENTS -
FACTORS LIMITING THE EFFICACY OF SANITIZER TREATMENTS FOR FRESH PRODUCE -
Liao, C., Ukuku, D.O., Fett, W.F. 2000. Factors limiting the efficacy of sanitizer treatments for fresh produce. Meeting Abstract. 29th Annual Meeting, Nov. 19-25, 2000, Honolulu, HI.
ARS News Articles
Last Modified: 5/2/2016
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