- Introduces best practices for preserving quality and consumer appeal of fresh fruits, vegetables
- Explains calculations for efficient cooling, controlled ripening and storage
- Organized for post-harvest and food preservation courses
Post-harvest Technologies of Fruits & Vegetables
Hosahalli S. Ramaswamy, Ph.D., Department of Food Science and Agricultural Chemistry, McGill University
978-1-932078-27-5, ©2015, 325 pages, 6×9, Hardcover
Preface
Acknowledgements
Chapter 1. An Overview of Postharvest Losses and Causes
- Introduction
- Causes of Postharvest Losses
Chapter 2. Classification of Fruits and Vegetables
- Definitions
- Classification of Fruits and Vegetables
Chapter 3. Structure of Fruits and Vegetables
- Introduction
- Structure of a Plant Cell
- Structure of Fruits and Vegetables
- Texture of Fruits and Vegetables
- Texture-Structure Relationships
Chapter 4. Composition and Nutritional Qualities
- Introduction
- Water
- Carbohydrates
- Proteins
- Fats and Oils
- Organic Acids
- Vitamins and Minerals
- Pigments
- Flavor Compounds
- Anti-Nutritional Factors in Foods
Chapter 5. Harvesting of Fruits and Vegetables
- Introduction
- Hand Harvesting
- Mechanized Harvesting
- Elements of Harvesting: Hand/Mechanical
- Important Field/Orchard-Considerations for Mechanized Harvest
- Types of Mechanical Harvesters
- Harvest Aids
- Extent of Mechanization
Chapter 6. Quality and Maturity Indices
- Introduction
- Factors Influencing Quality
Chapter 7. Post Harvest Physiology of Fruits and Vegetables: Respiration
- Introduction
- Aerobic vs Anaerobic Respiration
- Energy Currency—ATP
- Aerobic Oxidation of Glucose
- Biochemical Pathways
- Anaerobic Respiration
- Factors Influencing Respiration
- Control Measures to Minimize Respiratory Losses
- Typical Calculations Involving Respiration Problems
Chapter 8. Post Harvest Physiology of Fruits and Vegetables: Transpiration
- Introduction
- Degree of Cooling Achieved by Transpiration
- Significance of Transpiration During Plant Growth
- Transpiration Represents Economic Loss
- Transpiration Occurs through Specialized Tissues
- Transpiration is a Diffusion Phenomenon
- Partial Pressure, Saturated Water Vapor Pressure and Relative Humidity
- Factors Influencing Transpiration
- Methods of Controlling Transpiration Losses
- Psychrometry
Chapter 9. Cooling of Fruits and Vegetables
- Introduction
- Modes of Heat Transfer
- Cooling Rate
- Cooling/Pre-cooling Methods
- Principles of Refrigeration
Chapter 10. Cold Storage Systems for Fruits and Vegetables
- Introduction
- Refrigeration Requirements
- Ventilated Storage
- Refrigerated (Regular Atmosphere, RA) Storage
- Control Atmosphere (CA) Storage Systems
- Ethylene in Post-Harvest Technology
- Membrane System for CA/MA
- Hypobaric System for CA/MA
Chapter 11. Packaging of Fruits and Vegetables
- Introduction
- Package as a Handling Unit
- Protection from Physical and Mechanical Injuries
- Protection from Moisture Loss
- Providing a Sanitary Environment
- Facilitating Important Treatments
- Prevention of Pilferage
- Improvement of Sales Promotion
- Communication with Consumers
- Promotion of Product Identification and Company Recognition
- Facilitation of Sales
- Generation of Modified Atmosphere within the Package
- Types of Containers
- Types of Packaging Materials
- Packaging Requirements for Fruits and Vegetables
- Modified Atmosphere Packaging
Chapter 12. Irradiation of Fruits and Vegetables
- Introduction
- Historical Perspectives
- Forms of Radiation
- Characteristics of Ionizing Radiations
- Sources of Ionizing Radiations
- Units of Radiation
- Radiation Dose
- Food Irradiation Worldwide
- Detection of Radiation
- Regulatory Approval
- Economic Aspects
- The Future
Chapter 13. Postharvest Pathology
- Introduction
- Common Diseases
- Disease Development
- Mechanism of Pathogen Entry
- The Infection Process
- Defense Mechanism
- Growth Behavior of Bacteria and Fungi
- Treatments for Pathogen Control
- Pre-Harvest Control
Chapter 14. Postharvest Treatments
- Insect Control
- Chilling Injury
- Freezing Injury
References and Reading Materials
Index
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