University of California

Postharvest Publications by Commodity

Cross Contamination of Escherichia coli O157:H7 Between Lettuce and Wash Water during Home-Scale Washing

Dane A. Jensen, Loretta M. Friedrich, Linda J. Harris, Michelle D. Danyluk, Donald W. Schaffner

  • Consumer Issues
  • Food Safety
  • Lettuce
2015

Factors affecting Cell Population Density during Enrichment and Subsequent Molecular Detection of Salmonella enterica and Escherichia coli O157:H7 on Lettuce Contaminated during Field Production

Gabriela Lopez-Velasco, Alejandro Tomas-Callejas, Adrian O. Sbodio, Xuan Pham, Polly Wei, Dawit Diribsa, Trevor V. Suslow

  • Food Safety
  • Lettuce
2015

Evaluation of Different Approaches for Modeling Escherichia coli O157:H7 Survival on Field Lettuce

Robin C. McKellar, Fernanco Perez-Rodriguez, Linda J. Harris, Anne-laure Moyne, Burton Blais, Ed Topp, Greg Bezanson, Susan Bach, Pascal Delaquis

  • Food Safety
  • Lettuce
2014

Season, Irrigation, Leaf Age, and Escherichia coli Inovulation Influence the Bacterial Diversity in the Lettuce Phyllosphere

Thomas R. Williams, Anne-Laure Moyne, Linda J. Harris, Maria L. Marco

  • Food Safety
  • Lettuce
July 2013

The Lettuce/Leafy Greens Sector; Eye on Economics, Part 3 of a Three Part Series: Fundamental Forces Affecting Growers and Marketers

Roberta L. Cook

  • Lettuce
  • Marketing
Jul/Aug/Sep 2012

Leaf Microbiota in an Agroecosystem: Spatiotemporal Variation in Bacterial Community Composition on Field-Grown Lettuce

Rastogi, Gurdeep, Adrian Sbodio, Jan J. Tech, Trevor V. Suslow, Gitta I. Coaker, and Johan HJ Leveau

  • Food Safety
  • Lettuce
April 2012

Fate of Escherichia Coli O157:H7 in Field-Inoculated Lettuce

Anne-laure Moyne, Mysore R. Sudarshana, Tyann Blessington, Steven T. Koike, Michael D. Cahn, Linda J. Harris

  • Food Safety
  • Lettuce
2011

Fundamental Forces Affecting the U.S. Fresh Berry and Lettuce/Leafy Green Subsectors

Roberta L. Cook

  • Blueberry
  • Boysenberry
  • Bushberries
  • Lettuce
  • Marketing
  • Strawberry
2011

Whole-Leaf Wash Improves Chlorine Efficacy for Microbial Reduction and Prevents Pathogen Cross-Contamination during Fresh-Cut Lettuce Processing

Xiangwu Nou, and Yaguang Luo

  • Fresh-cut Vegetables
  • Lettuce
2010

Effectiveness of Bacteriophages in Reducing Escherichia coli O157:H7 on Fresh-Cut Cantaloupes and Lettuce

Manan Sharma, Jitendra R. Patel, William S. Conway, Sean Ferguson, and Alexander Sulakvelidze

  • Fresh-cut Fruits
  • Fresh-cut Vegetables
  • Lettuce
  • Melons
February 2009

Potential of Escherichia coli O157:H7 to Grow on Field-Cored Lettuce as Impacted by Postharvest Storage Time and Temperature

James L. McEvoy, Yaguang Luo, William Conway, Bin Zhou, Hao Feng

  • Fresh-cut Vegetables
  • Lettuce
2009

Low Temperature Phosphine Fumigation for Postharvest Control of Western Flower Thrips (Thysanoptera: Thripidae) on Lettuce, Broccoli, Asparagus, and Strawberry

Yong-Biao Liu

  • Asparagus
  • Broccoli
  • Insect Control
  • Lettuce
  • Strawberry
2008

Ultralow Oxygen Treatment for Postharvest Control of Western Flower Thrips, Frankliniella occidentalis (Thysanoptera: Thripidae), on Iceberg Lettuce II. Effects of Pre-Treatment Storage on Lettuce Quality

Yong-Biao Liu

  • Insect Control
  • Lettuce
2008

Heating the Ends of Leaves Cut during Coring of Whole Heads of Lettuce Reduces Subsequent Phenolic Accumulation and Tissue Browning

Mikal E. Saltveit, Liangchun Qin

  • Lettuce
2008

Ultralow Oxygen Treatment for Postharvest Control of Western Flower Thrips, Frankliniella occidentalis (Thysanoptera: Thripidae), on Iceberg Lettuce I. Effects of Temperature, Time, and Oxygen Level on Insect Mortality and Lettuce Quality

Yong-Biao Liu

  • Insect Control
  • Lettuce
2008

Recommendations for Handling Fresh-cut Leafy Green Salads by Consumers and Retail Foodservice Operators

Mary S. Palumbo, James R. Gorny, David E. Gombas, Larry R. Beuchat, Christine M. Bruhn, Barbara Cassens, Pascal Delaquis, Jeffrey M. Farber, Linda J. Harris, Keith Ito, Michael T. Osterholm. Michelle Smith, and Katherine M.J. Swanson

  • Food Safety
  • Fresh-cut Vegetables
  • Lettuce
November 2007

Food Safety Research Priorities for Lettuce & Leafy Greens - Conference Report

International Lettuce and Leafy Greens Food Safety Research Conference (Report), Sept. 20-21, 2007, Herndon, VA

  • Food Safety
  • Lettuce
September 2007

Aromatic- and Di-Carboxylates Inhibit Wound-Induced Phenolic Accumulation in Excised Lettuce (Lactuca sativa L.) Leaf Tissue

Mikal E. Saltveit, Young-Jun Choi

  • Lettuce
  • Wounding
2007

Effectiveness of Two-sided UV-C Treatments in Inhibiting Natural Microflora and Extending the Shelf-Life of Minimally Processed 'Red Oak Leaf' Lettuce

Ana Allende, James L. McEvoy, Yaguang Luo, Francisco Artes, Chien Y. Wang

  • Food Safety
  • Fresh-cut Vegetables
  • Lettuce
2006

Ultralow Oxygen Treatment for Postharvest Control of Nasonovia ribisnigri (Homoptera: Aphididae) on Iceberg Lettuce

Yong-Biao Liu

  • Insect Control
  • Lettuce
2005

Delayed Modified Atmosphere Packaging of Fresh-Cut Romaine Lettuce: Effects on Quality Maintenance and Shelf-Life

Ji Gang Kim, Yaguang Luo, Robert A. Saftner, and Kenneth C. Gross

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
2005

Effect of Initial Oxygen Concentration and Film Oxygen Transmission Rate on the Quality of Fresh-Cut Romaine Lettuce

Ji Gang Kim, Yaguang Luo, Yang Tao, Robert A Saftner, and Kenneth C Gross

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
2005

Effectiveness of Two-Sided UV-C Treatments in Inhibiting Natural Microflora and Extending the Shelf-Life of Minimally Processed 'Red Oak Leaf' Lettuce

Ana Allende, James L. McEvoy, Yaguang Luo, Francisco Artes, and Chien Y. Wang

  • Fresh-cut Vegetables
  • Lettuce
  • UV Irradiation
2005

Heat Shock Treatments Delay the Increase in Wound-induced Phenylalanine Ammonia-lyase Activity by Altering its Expression, not its Induction in Romain lettuce (Lactuca sativa Tissue

Reinaldo Campos-Vargas, Hiroyuki Nonogaki, Trevor Suslow, and Mikal E. Saltveit

  • Lettuce
  • Wounding
2005

Wound-induced Phenolic Accumulation and Browning in Lettuce (Lactuca sativa L.) Leaf Tissue is Reduced by Exposure to n-Alcohols

Young-Jun Choi, Francisco A. Tomás-Barberán, Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
2005

Involvement of Components of the Phospholipid-signaling Pathway in Wound-Induced Phenylpropanoid Metabolism in Lettuce (Lactuca sativa) Leaf Tissue

Mikal E. Waltveit, Young-Jun Choi, and Francisco A. Tomás-Barberán

  • Lettuce
  • Wounding
2005

Mono-carboxylic Acids and their Salts Inhibit Wound-induced Phenolic Accumulation in Excised Lettuce (Lactuca sativa) Leaf Tissue

Mikal E. Saltveit, Young-Jun Choi, and Francisco A. Tomás-Barberán

  • Lettuce
  • Wounding
2005

Isolation and Characterization of a Wound Inducible Phenylalanine Ammonia-lyase gene (LsPAL1) from Romaine Lettuce Leaves

Reinaldo Campo, Hiroyuki Nonogaki, Trevor Suslow, and Mikal E. Saltveit

  • Lettuce
  • Wounding
2004

Effect of 1-methylcyclopropene on phenylpropanoid metabolism, the accumulation of phenolic compounds, and browning of whole and fresh-cut 'iceberg' lettuce

Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
2004

Lines of Lettuce Selected for Ethylene Insensitivity at the Seedling Stage Displayed Variable Responses to Ethylene or Wounding as Mature Heads

Mikal E. Saltveit, Oswaldo Ochoa, Reinaldo Carmpos-Vargas, Richard Michelmore

  • Lettuce
  • Wounding
2003

Wound-induced Increases in Phenolic Content of Fresh-cut Lettuce is Reduced by a Short Immersion in Aqueous Hypertonic Solutions

Ho-Min Kang, M.E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
  • Wounding
2003

Wound-induced PAL Activity is Suppressed by Heat-Shock Treatments that Induce the Synthesis of Heat-Shock Proteins

Ho-Min Kang, and Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
  • Wounding
2003

Effect of Package Film on the Quality of Fresh-Cut Salad Savoy

Ji Gang Kim, Yaguang Luo, Kenneth C. Gross

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
2003

Cross-Contamination of Lettuce(Lactuca Sativa L.) with Escherichia coli O157:H7 via Contaminated Ground Beef

Marian R. Wachtel, James L. McEvoy, Yaguang Luo, Anisha M. Williams-Campbell, and Morse B. Solomon

  • Food Safety
  • Fresh-cut Vegetables
  • Lettuce
2003

Involvement of Putative Chemical Wound Signals in the Induction of Phenolic Metabolism in Wounded Lettuce

Reinaldo Campos-Vargas, and Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
2002

Postharvest Changes in Broccoli and Lettuce during Storage in Argon, Helium, and Nitrogen Atmospheres Containing 2% Oxygen

Pilar Jamie, Mikal E. Saltveit

  • Broccoli
  • Fresh-cut Vegetables
  • Lettuce
2002

Antioxidant Capacity of Lettuce Leaf Tissue Increases after Wounding

Ho-Min Kang, and Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
2002

Wound Induced Changes in Phenolic Metabolism and Tissue Browning are Altered by Heat Shock

Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
2000

Heat-Shock and Fresh Cut Lettuce

Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
August 1998

Phenylalanine Ammonia Lyase Inhibitors Control Browning of Cut Lettuce

Galen Peiser, Gloria Lopez-Galvez, Marita Cantwell, Mikal E. Saltveit

  • Fresh-cut Vegetables
  • Lettuce
1998

Phenylalanine Ammonia-lyase Inhibitors Do Not Prevent Russet Spotting Lesion Develoment in Lettuce Midribs

Galen Peiser, Gloria Lopez-Galvez, Marita Cantwell, and Mikal E. Saltveit

  • Lettuce
1998

Specialty Salad Greens: Postharvest Physiology and Shelf-Life

M. Cantwell, J. Rovelo, X. Nie, and V. Rubatzky

  • Lettuce
1998

Effect of Selected Browning Inhibitors on Phenolic Metabolism in Stem Tissue of Harvested Lettuce

Francisco A. Tomás-Barberán, María I. Gil, Marisol Castañer, Francisco Artés, and Mikal E. Saltveit

  • Lettuce
1997

Wound-induced Phenylalanine Ammonia Lyase Activity: Factors Affecting its Induction and Correlation with the Quality of Minimally Processed Lettuces

Gloria Lopez-Galvez, Mikal Saltveit, Marita Cantwell

  • Fresh-cut Vegetables
  • Lettuce
1996

The Visual Quality of Minimally Processed Lettuces Stored in Air or Controlled Atmosphere with Emphasis on Romaine and Iceberg Types

Gloria Lopez-Galvez, Mikal Saltveit, Marita Cantwell

  • Lettuce
  • Modified Atmospheres
  • Quality Evaluation
1996

Identification of a Phenylalanine Ammonia-lyase Inactivating Factor in Harvested Head Lettuce (Lactuca sativa)

Mark A. Ritenour, and Mikal E. Saltveit

  • Lettuce
1996

Carbon Dioxide Action on Metabolism of Organic and Amino Acide in Crisphead Lettuce

Dangyang Ke, Mila Mateos, Jingtair Siriphanich, Chingying Li, and Adel A. Kader

  • Fresh-cut Vegetables
  • Lettuce
1993

Phenolic Metabolism and Ethanolic Fermentation of Intact and Cut Lettuce Exposed to CO2-Enriched Atmospheres

Mila Mateos, Dangyang Ke, Marita Cantwell, and Adel A. Kader

  • Fresh-cut Vegetables
  • Lettuce
1993

Differential Responses of Intact and Minimally Processed Lettuce to High Carbon Dioxide Atmospheres

M. Mateos, D. Ke, A. Kader, and M. Cantwell

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
1993

Changes in Cytoplasmic and Vacuolar pH in Harvested Lettuce Tissue as Influenced by CO2

Jingtair Siriphanich, and Adel A. Kader

  • Lettuce
  • Modified Atmospheres
1986

Effects of CO2 on Total Phenolics, Phenylalanine Ammonia Lyase, and Polyphenol Oxidase in Lettuce Tissue.

Jingtair Siriphanich, and Adel A. Kader

  • Lettuce
  • Modified Atmospheres
1985

Effects of CO2 on Cinnamic Acid-4-Hydroxylase in Relation to Phenolic Metabolism in Lettuce Tissue

Jingtair Siriphanich, and Adel A. Kader

  • Lettuce
  • Modified Atmospheres
1985

Vacuum Cooling Wrapped Lettuce

Charles C. Cheyney, Robert F. Kasmire, Leonard L. Morris

  • Cooling
  • Lettuce
October 1979

Avoiding Ethylene Concentrations in Harvested Lettuce

Leonard L. Morris, Adel A. Kader, James A. Klaustermeyer, Charles C. Cheyney

  • Ethylene and 1-MCP
  • Lettuce
June 1978

Anatomy of Lettuce Tissue Affected by Three Physiological Disorders

Y. Ilker, A.A. Kader, R. Ilker, and L.L. Morris

  • Lettuce
  • Physiological Disorders
1977

Postharvest Requirements of Lettuce to Control Physiological Disorders

Leonard L. Morris, James A. Klaustermeyer, and Adel A. Kader

  • Lettuce
September 1974

Postharvest Handling of Lettuce

Leonard L. Morris, Adel A. Kader, James A. Klaustermeyer

  • Lettuce
1974

The Effect of Composition of the Atmosphere and Duration of Exposure on Brown Stain of Lettuce

Patrick E. Brecht, Adel A. Kader, and Leonard L. Morris

  • Lettuce
  • Modified Atmospheres
November 1973

Systems for Scoring Quality of Harvested Lettuce

Adel A. Kader, Werner J. Lipton, and Leonard L. Morris

  • Lettuce
  • Quality Evaluation
October 1973

Influence of Carbon Monoxide, Carbon Dioxide, and Oxygen Levels on Brown Stain, Respiration Rate, and Visual Quality of Lettuce

Adel A. Kader, Patrick E. Brecht, Richard Woodruff, and Leonard L. Morris

  • Lettuce
  • Modified Atmospheres
September 1973

Lettuce Mosaic Virus: ...causes Internal Rib Necrosis, ...Stimulates Rusty Brown Discoloration, ...in Cultival Climax.

Stella M. Coakley, R.N. Campbell, K.A. Kimble

  • Lettuce
September 1973

Preliminary Studies Related to Insect Control in Harvested Lettuce

James A. Klaustermeyer, Adel A. Kader, Leonard L. Morris

  • Insect Control
  • Lettuce
August 1973

Influence of Postharvest Temperature on Brown Stain of Lettuce

Patrick E. Brecht, Adel A. Kader, and Leonard L. Morris

  • Lettuce
  • Modified Atmospheres
July 1973

Waterjet and blade cut romaine

M.I. Cantwell, A.A.M. Melo, G. Hong and S. Klose

  • Fresh-cut Vegetables
  • Lettuce
2016

Vitamin C modified atmospheres lettuces

M.I. Cantwell, G. Hong, L. Schmidt and H. Ermen

  • Fresh-cut Vegetables
  • Lettuce
  • Modified Atmospheres
  • Nutritional Quality
2016

Quality of waterjet- and blade-cut romaine salad

M.I. Cantwell, A.A.M. Melo, G. Hong and S. Klose

  • Fresh-cut Vegetables
  • Lettuce
2016

The three responses of plant tissue to wounding

M.E. Saltveit

  • Carrot
  • Fresh-cut Vegetables
  • Lettuce
  • Wounding
2016

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