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Monday, May 11, 2020 | History

2 edition of Gamma irradiation of fresh fruits and vegetables found in the catalog.

Gamma irradiation of fresh fruits and vegetables

A. S. Abdel-Kader

Gamma irradiation of fresh fruits and vegetables

an indexed reference list (1965-1982)

by A. S. Abdel-Kader

  • 278 Want to read
  • 21 Currently reading

Published by Department of Pomology, University of California in Davis, Calif .
Written in English


Edition Notes

StatementAbdel A. S. Kader, Christi M. Heintz.
ContributionsHeintz, Christi M., University of California. Department of Pomology.
ID Numbers
Open LibraryOL14518226M

In food irradiation, food is exposed to a carefully measured amount of ionizing radiation. This is done in a special processing room or chamber for a specified duration of time. With food irradiation, radiant energy (electrons, gamma rays, or x-rays) breaks chemical bonds, just as in cooking, but so few bonds are broken that the food is like fresh. Food irradiation is the process of exposing food to ionizing radiation in order to destroy microorganisms, bacteria, viruses, or insects that might be present in the r applications include sprout inhibition, delay of ripening, increase of juice yield, and improvement of re-hydration. Irradiation is a more general term of deliberate exposure of materials to radiation to achieve a.

effect of gamma irradiation on the ripening of banana fruits paperback – january 1, by et al Maxie, E.C. (Author)Author: et al Maxie, E.C. Gamma irradiation is the useful method for the sterilization of the fruits and vegetables which helps in the reduction of the microbial load on the food materials and in return enhance their shelf lives. Ginger is an important vegetable and spice which is used all over the world including Pakistan.

  This updated second edition of Food Irradiation Research and Technology reviews the latest developments in irradiation technologies as they are applied to meat, seafood fish, fruits, vegetables and nuts. Experts from industry, government, and academia define the basic principles and public health benefits of irradiation. By contrast, more fresh fruits and vegetables tolerate radiation than any other commercial phytosanitary treatment. “Phytosanitary irradiation is an effective and safe method.” Despite the recent growth in phytosanitary irradiation, which is now accepted by more than 60 importing countries, the total amount of fresh produce disinfested.


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Gamma irradiation of fresh fruits and vegetables by A. S. Abdel-Kader Download PDF EPUB FB2

Deterioration of fresh fruits and vegetables can be delayed by treatment with low dose irradiation. 42 Mold growth on fruits such as strawberries and ripening of fruits and vegetables can be inhibited if they are irradiated at low doses. Foodborne diseases and food spoilage can be avoided, to a great extent, by killing or reducing populations Cited by: Abstract.

The literature relating to experimental studies of preservation of fruits and vegetables is reviewed; references are cited.

Studies covering the effects of gamma -ray dose, rate, and temperature during irradiation, preirradiation chemical treatments, and packaging methods on the quality, chemical changes, and storage life are surveyed. Practical applications Gamma irradiation has attracted attention as a potential nonthermal decontamination strategy to ensure the safety of fresh fruits and vegetables.

Rivka Barkai-Golan, Peter A. Follett, in Irradiation for Quality Improvement, Microbial Safety and Phytosanitation of Fresh Produce, Microbiological Changes After Irradiation. In addition to the beneficial effect of irradiation on shelf life extension of harvested fruits and vegetables, irradiation may also result in two problematic microbiological changes because of unsuitable radiation.

Food irradiation (the application of ionizing radiation to food) is a technology that improves the safety and extends the shelf life of foods by reducing or eliminating microorganisms and insects. The effect of the combination of gamma irradiation with gamma rays and a commercial edible coating, Sta-Freshon the postharvest quality of golden-yellow and purple-red tamarillo (Solanum.

Several million dollars are lost in the United States each year as a result of post harvest diseases of crops. Claim costs to railroads alone in amounted to $11 million. This work demonstrates that it is possible to extend the shelf-life of fresh fruits and vegetables at room as well as at refrigeration temperatures by gamma radiation, by surface pasteurization, sprout inhibition, and.

Fresh vegetables, in some cases stored in nitrogen, were gamma irradiated with doses of to Mrad, then stored at 35 deg F, and evaluated for taste at various periods up to days. All nitrogen-packed irradiated sweet corn was acceptable after days, in contrast with unirradiated 35 deg F control samples, which were spoiled.

Food irradiation is the process of exposing food and food packaging to ionizing ng radiation, such as from gamma rays, x-rays, or electron beams, is energy that can be transmitted without direct contact to the source of the energy capable of freeing electrons from their atomic bonds in the targeted radiation can be emitted by a radioactive substance or generated.

and process fresh fruits and vegetables, properly packaged, for distribution and marketing. Changes occurring in demographics, lifestyles and eating habits have been cited as some of the reasons for the increasing demands for fresh cut or minimally processed fruits and vegetables.

Sales of fresh-cut fruits and vegetables continue to flourish. • Irradiation could adversely affect the nutritional quality of foods • High-energy ionizing radiation that breaks molecules might destroy vitamins in fruits and vegetables 24 Irradiation affect the sensory quality of produce.

Degrade the appearance and sensory quality of many fresh fruits and vegetables The effects of irradiation on. Food irradiation including produce irradiation has been actively researched since the late ’s and there are thousands of published research articles detailing the effects of irradiation as a means of enhancing the quality, safety and marketability of many fresh fruits and vegetables.

Irradiation proved to be extremely beneficial in terms of prolonging the fruit and vegetable shelf life by times. In order not to expose fruits and vegetables to high irradiation doses another approach is to use the "hurdle technology," that is to apply more than one. The effects of radiation upon fresh fruits and vegetables include not only the immediate and direct influence upon chemical constitution, but also the subsequent indirect consequences of physiological and biochemical alteration.

The most obvious detrimental response to irradiation is softening associated with degradation of pectin and cellulose. Irradiation could provide a kill step to enhance safety of fresh and fresh-cut produce, but challenges remain for full commercial application.

of Fresh Fruits and Vegetables IrradIatIon Recent research has demonstrated that irradiation effectively kills bacterial pathogens on fresh and fresh-cut produce. The two most common methods for irradiation, electron beams and gamma radiation from cobalt, require extensive concrete or lead shielding to.

Keywords irradiation, γ-rays, fruits, vegetables, hurdle technology, shelf life, irradiation detection INTRODUCTION There is an increasing trend both in advanced countries and many developing countries to centrally process fresh fruits and vegetables, properly packaged, for distribution and marketing.

The Queensland Government has requested approval of irradiation of persimmons and 18 additional tropical fruits and vegetables. Irradiation is being promoted by Food Standards Australia NZ (FSANZ) as the preferred alternative to the highly toxic pesticides Dimethoate and Fenthion which must soon be phased out as the post-harvest treatment for.

In the FDA approved the use of low-dose ionizing radiation to eliminate pathogens in red meat. This food processing technology can improve the safety of food and extend the shelf life of certain foods by eliminating pathogenic bacteria, parasites, and other microorganisms that cause food-borne disease.

Currently, forty-two countries practice some form of food irradiation. The current study was conducted to investigate the effects of Co gamma irradiation on the storage life and quality of citrus (Kinnow mandarin). ).Fresh fruits and vegetables are allowed to be irradiated at doses up to KGy The proposed study regarding the effects of Cobalt gamma irradiation on storage life and quality of.

Sources of radiation used in food irradiation Rays are emitted from radioactive forms of the element cobalt (Co60) or of the element cesium (Cs).

Gamma radiation is used routinely to sterilize medical, dental and household products and is also used for the treatment of cancer. Food irradiation can include the use of gamma rays, X-rays or electron beams, called e-beams.

ScanTech Sciences’ patented form of e-beam food irradiation is Electronic Cold-Pasteurization, so-called because it allows product to be kept cold throughout the process.

Not breaking the cold chain of storage is an added value for food processors.Foodborne illness outbreaks associated with contaminated fruits, vegetables, and salads have led to a reexamination of means to improve agricultural, postharvest, and supply chain controls.

Irradiation is an effective means of inactivating human pathogens on a variety of fresh and fresh-cut fruits and vegetables.