Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas
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Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas
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Author : Gustavo V. Barbosa-Cánovas
language : en
Publisher: Food & Agriculture Org.
Release Date : 2003-01-01
Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas written by Gustavo V. Barbosa-Cánovas and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-01 with Technology & Engineering categories.
This manual contains basic information on post-harvest handling and marketing operations and storage of fresh and processed fruit and vegetables. It includes practical examples of preservation techniques and highlights technological aspects which can prevent biochemical and physicochemical reactions and microbial growth (the main causes of quality losses in fruits and vegetables). The suggested methodologies combine technologies such as mild heat treatment, water activity reduction, lowering of the pH and use of anti-microbial substances, These relatively new technologies have been successfully applied to various tropical and non-tropical fruits in different countries of Latin America, and are recommended for use in other fruit-producing countries around the world.
Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas
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Author : Gustavo V Barbosa Et Al Canovas
language : en
Publisher: Daya Books
Release Date : 2007
Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas written by Gustavo V Barbosa Et Al Canovas and has been published by Daya Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
This manual is intended to serve as a guide to farmers and processors of fruits and vegetables in rural areas. It contains basic but valuable information on post-harvest handling and marketing operations and storage of fresh and processed products. It provides practical examples of preserving fruits and vegetables addressing a combination of factors, highlighting technology which, when combined, has a positive and synergistic effect in preventing biochemical and physico-chemical reactions and microbial growth the main causes of quality losses in fruits and vegetables. The suggested methodologies combine technologies such as mild heat treatment, water activity reduction (aw), lowering of the pH and use of anti-microbial substances to realize the potential of minimally processed, high-moisture fruit products. These relatively new technologies have been successfully applied to several important tropical and non-tropical fruits in different countries of Latin America and are considered appropriate and recommended for use in other fruit-producing countries around the world. Contents Chapter 1: Fruits and Vegetables: An Overview on Socio-Economical and Technical Issues; Trade and global trends: Fruits and vegetables, Traditional consumption, Economic and social impact, Commercial constraints, Post-harvest losses and resource under-utilizaion in developing countries, Food losses after harvesting, Food losses due to social and economic issues, Pre-processing to add value, Pre-processing to avoid losses, Alternative processing methods for fruits and vegetables in rural areas, Scalding or blanching in hot water, Cooling in trays, Sulphiting, Sun drying and osmotic dehydration, Fermentation, Storage, Sample calculation for adjusting fruit soluble solids and acid contents; Chapter 2: Basic Harvest and Post-Harvest Handling Considerations for Fresh Fruits and Vegetables; Harvest handling, Maturity index for fruits and vegetables, Harvesting containers, Tools for harvesting, Packing in the field and transport to packinghouse, Post-harvest handling, Curing of roots, tubers, and bulb crops, Operations prior to packaging, Packaging, Cooling methods and temperatures, Storage, Pest control and decay; Chapter 3: General Considerations for Preservations of Fruits and Vegetables; Water Activity (aw) concept and its role in food preservation, aw concept, Microorganisms vs, aw values, Enzymatic and chemical changes related to aw values, Recommended euipment for measuring aw Intermediate Moisture Food (IMF) concept, Fruits preserved under IMF concept, Advantages and disadvantages of IMF preservation, Combined methods for preservation of fruits and vegetables: a preservation concept, Why combined methods?; General description of combined methods for fruits and vegetables, Recommended substances to reduce aw in fruits, Recommended substances to reduce pH, Recommended chemicals to prevent browning, Recommended additives to inhibit microorganisms, Recommended thermal treatment for food preservation; Chapter 4: Extension Of The Intermediate Moisture Concept to High Moisture Products; Preliminary operations, Desired aw and syrup formulation, Calculus required, Water contents vs aw relationship, Example of application, Packaging methods for minimally processed products, Packaging with small units, Transporting the package, Loading packaging units, Vacuum and modified atmosphere packaging, Transport, storage and use of fruits preserved by combined methods, Open vs refrigerated vehicles, Unloading, Storage temperature vs shelf life, Repackaging considerations, Syrup reconstitution and utilization, Optimal utilization of final products, Quality control, Recommended microbiological tests, Nutritional changes, Changes in sensory attributes and acceptability; Chapter 5: Procedures for Vegetables Preserved By Combined Methods; Preliminary operations, Combined optional treatments, Irradiation, Refrigeration, Modified atmosphere, Pickling, Fermentation, Packaging methods, Plastic containers and bags, Vacuum packaging; Modified atmosphere packaging, Transport, storage and use of vegetables preserved by combined methods, Open vs refrigerated vehicles, Unloading, Storage temperature vs shelf life, Repackaging considerations, Optimal utilization of the final products, Quality control, Recommended microbiological tests, Nutritional changes, Changes in sensory attributes and acceptability.
Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas
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Author :
language : it
Publisher:
Release Date : 2003
Handling And Preservation Of Fruits And Vegetables By Combined Methods For Rural Areas written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Organic Acids And Food Preservation
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Author : Maria M. Theron
language : en
Publisher: CRC Press
Release Date : 2010-09-16
Organic Acids And Food Preservation written by Maria M. Theron and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-16 with Technology & Engineering categories.
Although organic acids have been used to counteract pathogens in food for many years, there is a glaring need to assess and improve their continued effectiveness and sustainability. There is also a growing demand for foods that are produced using milder treatments (e.g., less heat, salt, sugar, and chemicals) and newer technologies to prevent the g
Ad09e The Vegetable Garden In The Tropics
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Author :
language : en
Publisher: Agromisa Foundation
Release Date : 2003
Ad09e The Vegetable Garden In The Tropics written by and has been published by Agromisa Foundation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Organic gardening categories.
Agrodoks provide practical information on small-scale sustainable agriculture in the tropics.
Beneficial Microbes For Sustainable Agriculture And Environmental Management
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Author : Jeyabalan Sangeetha
language : en
Publisher: CRC Press
Release Date : 2020-03-27
Beneficial Microbes For Sustainable Agriculture And Environmental Management written by Jeyabalan Sangeetha and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-27 with Science categories.
Microbes are the most abundant organisms in the biosphere and regulate many critical elemental and biogeochemical phenomena. Because microbes are the key players in the carbon cycle and in related biological reactions, microbial ecology is a vital research area for understanding the contribution of the biosphere in global warming and the response of the natural environment to climate variations. The beneficial uses of microbes have enabled constructive and cost-effective responses that have not been possible through physical or chemical methods. This new volume reviews the multifaceted interactions among microbes, ecosystems, and their pivotal role in maintaining a more balanced environment, in order to help facilitate living organisms coexisting with the natural environment. With extensive references, tables, and illustrations, this book provides valuable information on microbial utilization for environmental sustainability and provides fascinating insights into microbial diversity. Key features include: Looks at enhancing plant production through growth-promoting arbuscular mycorrhizae, endophytic bacteria, and microbiome networks Considers microbial degradation and environmental management of e-wastes and azo dyes Explores soil-plant microbe interactions in metal-contaminated soils Examines radiation-resistant thermophiles for engineered bioremediation Describes potential indigenous/effective microbes for wastewater treatment processes Presents research on earthworms and microbes for organic farming
Snack Foods
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Author : Sergio O. Serna-Saldivar
language : en
Publisher: CRC Press
Release Date : 2022-04-20
Snack Foods written by Sergio O. Serna-Saldivar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-20 with Technology & Engineering categories.
The diverse segments of the snack industries that generate close to $520 billion of annual sales are adapting to new consumer ́s expectations, especially in terms of convinience, flavor, shelf life, and nutritional and health claims. Snack Foods: Processing, Innovation, and Nutritional Aspects was conceptualized to thoroughly cover practical and scientific aspects related to the chemistry, technology, processing, functionality, quality control, analysis, and nutrition and health implications of the wide array of snacks derived from grains, fruits/vegetables, milk and meat/poultry/seafood. This book focuses on novel topics influencing food product development like innovation, new emerging technologies and the manufacturing of nutritious and health-promoting snacks with a high processing efficiency. The up-to-date chapters provide technical reviews emphasising flavored salty snacks commonly used as finger foods, including popcorn, wheat-based products (crispbreads, pretzels, crackers), lime-cooked maize snacks (tortilla chips and corn chips), extruded items (expanded and half products or pellets), potato chips, peanuts, almonds, tree nuts, and products derived from fruits/vegetables, milk, animal and marine sources. Key Features: Describes traditional and novel processes and unit operatios used for the industrial production of plant and animal-based snacks. Depicts major processes employed for the industrial production of raw materials, oils, flavorings and packaging materials used in snack food operations. Contains relevant and updated information about quality control and nutritional attributes and health implications of snack foods. Includes simple to understand flowcharts, relevant information in tables and recent innovations and trends. Divided into four sections, Snack Foods aims to understand the role of the major unit operations used to process snacks like thermal processes including deep-fat frying, seasoning, packaging and the emerging 3-D printing technology. Moreover, the book covers the processing and characteristics of the most relevant raw materials used in snack operations like cereal-based refined grits, starches and flours, followed by chapters for oils, seasoning formulations and packaging materials. The third and most extensive part of the book is comprised of several chapters which describe the manufacturing and quality control of snacks mentioned above. The fourth section is comprised of two chapters related to the nutritional and nutraceutical and health-promoting properties of all classes of snacks discussed herein.
Food Engineering Volume I
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Author : Gustavo V. Barbosa-Cánovas
language : en
Publisher: EOLSS Publications
Release Date : 2009-08-10
Food Engineering Volume I written by Gustavo V. Barbosa-Cánovas and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-10 with categories.
Food Engineering is a component of Encyclopedia of Food and Agricultural Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. Food Engineering became an academic discipline in the 1950s. Today it is a professional and scientific multidisciplinary field related to food manufacturing and the practical applications of food science. These volumes cover five main topics: Engineering Properties of Foods; Thermodynamics in Food Engineering; Food Rheology and Texture; Food Process Engineering; Food Plant Design, which are then expanded into multiple subtopics, each as a chapter. These four volumes are aimed at the following five major target audiences: University and College students Educators, Professional practitioners, Research personnel and Policy analysts, managers, and decision makers and NGOs
Sustainable Postharvest Technologies For Fruits And Vegetables
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Author : Sajid Ali
language : en
Publisher: CRC Press
Release Date : 2024-08-30
Sustainable Postharvest Technologies For Fruits And Vegetables written by Sajid Ali and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-30 with Science categories.
Fruits and vegetables, commonly termed as "fresh produce" are an important component of the human diet, as these provide various beneficial and essential health-related compounds. Nevertheless, fresh produce is susceptible to postharvest deterioration and decay along with loss of certain nutrients due to innapropriate storage conditions and lack of standard postharvest technologies. In addition, the short shelf life is considered another major constraint that must be extended after harvest to ensure a wider availability window of the fresh produce for consumers. From this perspective, the use of postharvest approaches is considered imperative to reduce the deterioration of harvested fresh produce in order to extend their storage and shelf life potential on a sustainable basis. Sustainable Postharvest Technologies for Fruits and Vegetables covers various aspects of postharvest technologies with major developments over the recent past and provides a way forward for the future. The sustainable use of various technologies and elicitors could be adapted from farm to fork in order to conserve the eating quality of fresh produce. Therefore, this book covers various sustainable postharvest treatments and technologies that could be considered highly effective for the delay of postharvest senescence and deterioration. Among the various technologies, the use of preharvest treatments, controlled atmosphere, dynamic control atmosphere, modified atmosphere and hypobaric conditions has tremendous potential for the fresh fruits and vegetables industry. In the same way, cold plasma, pulsed light, ultraviolet light, ultrasound technology, nanoemulsions, nano-packaging, electrolyzed water, high pressure processing, ozone gas, irradiations, edible coatings, vacuum packaging and active packaging with slow releasing compounds along with nanotechnology are highly practicable and possesses tremendous potential to be used in the maintenance of overall eating quality and storage life extension of the fresh produce. Key Features: Overviews the major factors affecting postharvest physiology and shelf life potential of fresh produce. Focuses on major sustainable technologies having the potential to maintain postharvest quality and extend shelf life of fruits and vegetables. Describes practical and recent advances of various approaches indispensable for the maintenance of overall eating quality and food safety attainment for fresh produce on a sustainable basis. Covers how quality maintenance and shelf life rely on preharvest practices, nonthermal treatments, storage atmospheres, packaging materials, active packaging, edible packaging, coating application techniques, nanotechnology and ecofriendly plant extracts and natural antagonists.
Rural Urban Marketing Linkages
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Author : J. D. Tracey-White
language : en
Publisher: Food & Agriculture Org.
Release Date : 2005-01-01
Rural Urban Marketing Linkages written by J. D. Tracey-White and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-01 with Business & Economics categories.
By 2030, 60 percent of the world's population are expected to be living in urban areas. Population growth is not solely in larger metropolitan centres - the mega cities. The numbers of small and intermediate-sized urban centres are also increasing and have an important role as links in the marketing system. This guide provides a simplified aid to understanding the physical implications of marketing linkages, based on a regional planning approach. The guide provides a simple planning methodology and framework that focuses on the issue of linking farmers to market outlets for their produce particularly identifying their marketing infrastructure needs. The users of the guide are likely to be at national, provincial or district levels and could include planners and engineers in ministries and departments of public works and transport, planning and marketing officers in ministries and departments of agriculture, local authority officers in planning, commerce and marketing departments and local authorities, communities, farmer groups and voluntary organizations, concerned to understand marketing constraints and with ensuring that rural producers have better access to markets for their products.