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Postharvest technology for Southeast Asian perishable crops : a simplified guide
by Bautista, Ofelia K.
Publication:
Los Baños
Technology and Livelihood Resource Center
1990
. viii, 302 pages :
, 1. A n overview of postharvest handling --
Difference between postproduction and postharvest handling •Relationship of the fields of study under postproduction• Extent of postharvest losses of fruits and vegetables •Importance of proper postharvest handling •Advantages of proper postharvest handling over increased production in solving food needs •Evidences of the importance of postharvest handling •Status and opportunities for applying knowledge in postharvest --
2 Biological aspects of postharvest handling --
Characteristics of perishable crops affecting their postharvest life •Morpho-anatomical basis of postharvest handling technologies •Chemical basis of postharvest handling technologies •Physiological basis of postharvest handling technology --
3 Harvesting --
Concept of maturity; Importance of harvesting at proper stage of maturity •Maturity indices •Considerations in harvesting •Mechanical methods of harvesting •Preharvest modifiers of quality --
4 General packinghouse operations --
Places where preparatory steps are done •Purposes of a packinghouse •Features of a packinghouse •Measures to improve small packinghouses •Packinghouse operations for some commodities --
5 Trimming, cleaning and water elimination --
Trimming - terms, parts trimmed, trimming in big enterprises •Cleaning purposes, methods, factors determining whether to wash or not • Problems in washing and solutions •Water elimination - importance, methods
6 Curing --
Crops which are cured. •The steps involved. Importance of curing • Factors affecting the curing process •Adjustment to be made •Indications of curing for bulb crops --
7 Waxing --
Benefits from waxing Commodities waxed Waxes used •Considerations in waxing for maximum efficiency Methods of waxing •Applicability of waxing in developing countries --
8 Grading --
The processes involved Standardization •Basic parts of a standard, characteristics of a good national standard in developing countries, steps in standardization •Grading advantages, current situation, conditions for successful implementation of grading, how to grade, where to grade, grading equipment and aids •Inspection number of samples to draw, how to inspect
9 Packaging and produce handling during transport --
Functions of packaging •Types of damage on injury increased •Sources of damage •Kinds of field and shipping packages •Choosing a package •Labelling •Techniques in manual packing Improving package performance during trips •Prepackaging •Loose packing or bulk transport Bulk packing or bulk handling transport •Guidelines in loading and unloading •Reducing damage during
10 Ripening, degreening and color adding --
Classes of fruits •Advantages of accelerated ripening •Justification for degreening •General techniques in degreening and in accelerated ripening •Difference between techniques involved in ripening and degreening •Requirements for ripening •Treatments with ethylene and acetylene •Treatment with calcium carbide •Bioethylene •Use of stress ethylene •Use of increased temperature to accelerate ripening •Slowing down ripening •Color adding-commodities, equipment conditions for successful treatment •Tinting of cutflowers --
11 Precooling --
Some facts about heat and energy •Benefits from precooling Methods •Utilizing an ordinary cold room as a precooler •Advantages/disadvantages of the precooling methods •Commodities that can be cooled by the various methods •Determining the rate of cooling •Applicability of precooling in developing countries •Present status of precooling --
12 Refrigerated storage and transport --
Objectives •Structural requirements to achieve objectives •Determining whether to refrigerate or not •Use of refrigeration in ASEAN •Operation of a vapor compression refrigerating system •Store management during long cool storage •Wet storage of flowers •Causes of shortened storage life •Determining when to terminate storage •Physiological disorders during low temperature storage •Post storage --
13 Supplements to refrigeration --
Irradiation •Chemical treatments •Types of gas packaging/storage methods •Advantages of gas storage •Controlled atmosphere •Hypobaric packaging/storage •Modified atmosphere --
14 Alternatives to refrigerated storage and transport --
Advantages. Criteria for determining effectiveness of storage method •Evaporative cooling •Modern applications of evaporative cooling •Storage in water •Nocturnal cooling •Clamp storage •Ventilated or air cooling •Combination of evaporative and ventilated cooling •Mixing with leaves Modified atmosphere •Diffused light storage Caves --
15 Quarantine treatments and postharvest control of insects --
Importance of postharvest control of insects •Importance of quarantine measures •Some important insect pests •Characteristics of a good treatment •Quarantine and control measures •Fumigants •Insecticides found being used for harvested fruits and vegetables •Control of insects for small volumes of root crops •Biocontrol
16 Postharvest disease control --
Extent of losses due to decay •Types of postharvest pathological diseases •Sources of postharvest infection •Conditions for rotting to occur •Some major postharvest diseases •Postharvest disease control --
Appendixes --
1 Scientific, English, Philippine Indonesian, Thai and Malaysian common names of produce mentioned in the text --
2 Sample problems on preparation of chemicals --
3 Conversion tables.
Date:
1990
Availability:
Items available:
ASCOT Library - Bazal Campus
Filipiniana
[Fil 635.046 B32p 1990 c.1]
(1),
ASCOT Library - Bazal Campus
Filipiniana
[Fil 635.046 B32p 1990 c.2]
(1),
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