Post-harvest Horticulture Series No. 8E July 2002, Slightly Revised in November 2003 Authors: Lisa Kitinoja and Adel A. Kader
University of California , Davis Postharvest Technology Research and Information Center
TABLE OF CONTENTS
ACKNOWLEDGMENTS
INTRODUCTION THE MANUAL
Principal causes of postharvest losses and poor quality Relative perishability and storage life of fresh produce Resources for quality assurance and export marketing
Principal causes of postharvest losses and poor quality
Relative perishability and storage life of fresh produce
Resources for quality assurance and export marketing
CHAPTER 1: HARVESTING AND PREPARATION FOR MARKET
Maturity standards Using a refractometer Using a firmness tester Harvesting practices Harvesting containers Harvesting tools Field packing Transport to the packinghouse
Maturity standards
Using a refractometer
Using a firmness tester
Harvesting practices
Harvesting containers
Harvesting tools
Field packing
Transport to the packinghouse
CHAPTER 2: CURING ROOT, TUBER AND BULB CROPS
Field curing Curing with heated air Bulk systems for curing onions Emergency curing
Field curing
Curing with heated air
Bulk systems for curing onions
Emergency curing
CHAPTER 3: PACKINGHOUSE OPERATIONS
Narrow pallet system General operations Packinghouse layout Dumping Conveyor equipment Washing Waxing Sorting Sizing Simple packing line
Narrow pallet system
General operations
Packinghouse layout
Dumping
Conveyor equipment
Washing
Waxing
Sorting
Sizing
Simple packing line
CHAPTER 4: PACKING AND PACKAGING MATERIALS
Packing practices Packing containers Choosing a container Packaging practices Labeling Modularization of containers Modified atmosphere packaging (MAP) Unit loads
Packing practices
Packing containers
Choosing a container
Packaging practices
Labeling
Modularization of containers
Modified atmosphere packaging (MAP)
Unit loads
CHAPTER 5: DECAY AND INSECT CONTROL
Chemical controls Vase life of cut flowers Cold treatments Controlled/modified atmosphere treatments Heat treatments Biological control and plant growth regulators
Chemical controls
Vase life of cut flowers
Cold treatments
Controlled/modified atmosphere treatments
Heat treatments
Biological control and plant growth regulators
CHAPTER 6: TEMPERATURE AND RELATIVE HUMIDITY CONTROL
Room cooling Forced-air cooling Hydro-cooling Evaporative cooling Night air ventilation Chilling injury Use of ice Alternative methods of cooling Increasing relative humidity Maintaining the cold chain for perishables
Room cooling
Forced-air cooling
Hydro-cooling
Evaporative cooling
Night air ventilation
Chilling injury
Use of ice
Alternative methods of cooling
Increasing relative humidity
Maintaining the cold chain for perishables
CHAPTER 7: STORAGE OF HORTICULTURAL CROPS
Recommended storage temperatures Compatibility groups for storage Susceptibility to freezing injury Storage practices Storage structures Storage of dried and bulb crops Storage of root and tuber crops Storage of potatoes Controlled atmosphere (CA) storage
Recommended storage temperatures
Compatibility groups for storage
Susceptibility to freezing injury
Storage practices
Storage structures
Storage of dried and bulb crops
Storage of root and tuber crops
Storage of potatoes
Controlled atmosphere (CA) storage
CHAPTER 8: TRANSPORTATION OF HORTICULTURAL CROPS
Open vehicles USDA Portacooler Refrigerated trailers Stacking patterns/hand-stacked Stacking patterns/pallet and slip sheet loads Stacking strength Bracing the load Air transport
Open vehicles
USDA Portacooler
Refrigerated trailers
Stacking patterns/hand-stacked
Stacking patterns/pallet and slip sheet loads
Stacking strength
Bracing the load
Air transport
CHAPTER 9: HANDLING AT DESTINATION
Unloading Temporary storage temperatures Sorting/repacking Ripening Display
Unloading
Temporary storage temperatures
Sorting/repacking
Ripening
Display
CHAPTER 10: PROCESSING OF HORTICULTURAL CROPS
Processing equipment Preparation for processing Solar drying Forced-air dehydrators Oil-burning dehydrators Electric dehydrators Oven drying Drying flowers Canning Juicing Other methods of processing
Processing equipment
Preparation for processing
Solar drying
Forced-air dehydrators
Oil-burning dehydrators
Electric dehydrators
Oven drying
Drying flowers
Canning
Juicing
Other methods of processing
CHAPTER 11: FOOD SAFETY PRACTICES
Food Safety on the Farm Minimizing pathogen contamination during harvest Minimizing pathogen contamination during Postharvest Handling Sanitizing field containers, tools and packinghouse surfaces Traceback For further information
Food Safety on the Farm
Minimizing pathogen contamination during harvest
Minimizing pathogen contamination during Postharvest Handling
Sanitizing field containers, tools and packinghouse surfaces
Traceback
For further information
GENERAL REFERENCES
APPENDIX A: Sources of additional information on the Interne
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