Improved quality of retail beef through control of bacterial spoilage

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  • English
Minister of Supply and Services , Ottawa
Beef -- Marke
StatementG. Gordon Greer.
ID Numbers
Open LibraryOL21517363M
ISBN 10066213396X

Improved Quality of Retail Beef Through Control of Bacterial Spoilage. Gordon Greer. Technical Bulletin E. Lacombe, Alberta: Research Branch Agriculture Canada, “The retail case life of fresh beef is usually limited to 2 to 3 days due to the development of undesirable surface discoloration.


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Humankind has consumed animal protein since the dawn of its existence. The archaeological record shows evidence of animal protein consumption as early as 12, bc (Mann, ). Raw meat and poultry are highly perishable commodities subject to various types of spoilage depending on handling and storage by: Bacterial spoilage of meat depends on the initial number of microorganism, time/temperature combination of storage conditions and physicochemical properties of meat (Doulgeraki et al.

Mostly, contamination occurs because of inadequate hygienic conditions and handling in slaughterhouses (Schlegelova et al. ), moreover theCited by: (1 μg.g-1), then changes accompanying spoilage (off odour, slime) do not occur until the bacterial population reaches CFU cm When the pH is high, the level of glucose will be low, and spoilage will occur when bacterial growth reaches a level of CFU cm-2 (Bell ).

Kameník et al. () discovered sensory deviations accompanyingFile Size: KB. is not only highly susceptible to spoilage, but also frequently implicated to the spread of food-borne illness, various biochemical changes and microorganisms are associated with meat, during the process of slaughter, processing and preservation [25].

Approximately 69% of gram negative bacteria are known to cause bacterial food borne disease [23].

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Pathogenic bacteria were infrequently detected in the retail beef specimens, but spoilage bacteria were found in all of the specimens. The populations of spoilage bacteria in retail beef specimens varied from to log CFUg −1.

Pyrosequencing analysis of retail beef specimens suggested contamination from multiple sources, Improved quality of retail beef through control of bacterial spoilage book. Progressive Beef™ offers the most comprehensive farm-to-fork assurance program to help you meet customer demand for safe and wholesome beef.1 Established standard operating procedures (SOPs) are used to ensure food safety, animal welfare and sustainability.

This verified program offers advantages for every step of the beef supply chain. quality standards should increase competitive access for traders and help to ensure improved quality of fish for consumers.

Capacity building for all those involved in the value-chain is an important part of improving standards and quality.

It is SmartFish’s aim that this. Thus, prevention or inhibition of microbial growth in foods is of outmost importance for the current globalized food production.

Hence, there is still the need for new processing methods, to be used either alone or in combination with the already existing ones, able to reduce or eliminate foodborne pathogens and spoilage bacteria.

Between the farm gate and retail stages, food loss can arise from problems during drying, milling, transporting, or processing that expose food to damage by insects, rodents, birds, molds, and bacteria.

At the retail level, equipment malfunction (such as faulty cold storage), over-ordering, and culling of blemished produce can result in food loss. The results of this study showed the poor bacteriological quality of retail beef carcasses offered for sale in Côte d’Ivoire and indicated that the meats sold to the public are grossly contaminated with pathogenic bacteria (Salmonella, S.

aureus, anaerobic sulphite reducersY) and viable source of various diseases. Some of these diseases. The Seafoods can contain pathogenic bacteria contaminating from water and soil, such as Bacillus, Clostridium, Escherichia, Serratia, and Vibrio.

Gram‐negative aerobic rods and facultative anaerobic rods and coliforms constitute the major spoilage bacterial flora. Molds are the chief spoilage microorganisms in smoked fish.

at the point of purchase in a retail store is the development of brown spots on the lean surface. Another factor limiting the case-life of beef is the growth of spoilage bacteria.

These bacteria are classified as spoilage bacteria because they contribute to the spoilage of beef products, but do not cause illness like pathogenic bacteria. Abstract. Foods of muscle ongm are sensitive to contamination and support growth of microorganisms involved in spoilage and food borne illness.

In fresh, unprocessed products, microorganisms multiply rapidly, especially at non-refrigeration temperatures, resulting in loss of quality. Out of the total samples tested, including poultry meat, ground beef and beef (each 56 samples), 90 (%) were contaminated with E.

coli. Overall, E. coli was detected in 49 (%) of the. In terms of beef alone, spoilage costs amount to roughly $ million per year. Food spoilage can occur for a variety of reasons, including contamination by microorganisms such as lactic acid bacteria.

They are known as facultative anaerobic bacteria, in other words, they tolerate oxygen but thrive without air. Bacteria: Potential biological hazards in meat and poultry include bacteria, toxins, viruses, protozoa, and parasites. Of the microbiological hazards, the most important are bacteria.

Bacteria cause a large proportion (approximately 90%) of all foodborne illnesses. Bacteria that cause human illness, including disease, are termed pathogenic. Problem statement: Extremely perishable meat provides favorable growth condition for various microorganisms.

Meat is also very much susceptible to spoilage due to chemical and enzymatic activities. The breakdown of fat, protein and carbohydrates of meat results in the development of off-odors, off-flavor and slim formation which make the meat objectionable for human consumption.

The main reason for aging beef is to improve tenderness and flavor of the meat so that if properly cooked it will be more satisfying to the consumer.

Proper aging of beef results in a combination of changes that many people of aging on beef flavor and tendernessAging or "ripening" of beef is simply holding a carcass or wholesale cuts at refrigerated. Samelis, in Food Spoilage Microorganisms, Antimicrobials of microbial or animal origin.

Spoilage microorganisms in fresh meat and poultry may be controlled by antimicrobials of microbial or animal origin, other than LAB bacteriocins.

One example discussed above with nisin is lysozyme, which together appear to demonstrate synergy against meat spoilage LAB, such as Lact.

curvatus, in. mechanisms, spoilage defects, prevention and control of spoilage, and methods for detecting spoilage microorganisms. Microbiological Spoilage of Fresh Whole Fruits and Vegetables Introduction During the period –, US per capita consumption of fruits and vegetables increasedby%,topoundspercapitaperyear(ERS,).Freshfruitand.

Bacterial Attachment S Meat as an Environment for Microbial Growth 5 Spoilage of Meat and Meat Products 6 Lactic Acid Bacteria 9 Introduction 9 Classification 9 Starter cultures 12 Meat fermentations 13 Biocontrol by lactic acid bacteria 13 Listeria monocytogenes 14 CHAPTER 3.

LITERATURE REVIEW: THE CONTROL OF SPOILAGE MICROFLORA The microbial spoilage of beef was monitored during storage at 5°C under three different conditions of modified-atmosphere packaging (MAP): (i) air (MAP1), (ii) 60% O2 and 40% CO2 (MAP2), and (iii) 20% O2 and 40% CO2 (MAP3).

Pseudomonas, Enterobacteriaceae, Brochothrix thermosphacta, and lactic acid bacteria were monitored by viable counts and PCR-denaturing gradient gel electrophoresis. Beef is one of the most consumed food worldwide, and it is prone to spoilage by bacteria. This risk could be caused by resident microbiota and their alterations in fresh beef meat during processing.

However, scarce information is available regarding potential spoilage factors due to resident microbiota in fresh beef meat.

In this study, we analyzed the microbiota composition and their. spoilage bacteria. Beef packaged in a high oxygen modified atmosphere typically retains a shelf-life of ten to 14 days for ground beef and 12 to 16 days for whole-muscle beef cuts (Cornforth, ; Belcher, ).

Low oxygen N 2 and CO 2 Low oxygen modified atmosphere packages containing 70% N 2 and 30% CO 2 are used to prolong the shelf-life. Spoilage of meat has remained a serious challenge in developing countries. The objective of this study was to evaluate the beef and lamb meat quality from supermarkets and shops in summer and winter season.

Beef and lamb meat were stored at an extremely critical component of the appearance of fresh beef sold through retail 7,8. The color of.

packaged boxed beef is then distributed to retail outlets where these primals and subprimals are fabricated into con- improve the bright cherry-red beef color while vacuum packaging systems exclude oxygen, giving the fresh meat many undesirable spoilage bacteria. Part 1’ on the growth of spoilage bacteria.

Description Improved quality of retail beef through control of bacterial spoilage EPUB

Pseudomonads were selected for modelling bacterial spoilage of beef, pork and lamb carcasses stored aerobically because they are considered to be the main spoilage organisms under aerobic chilling conditions, and. through the identification and effective control of food-borne hazards.

In order to contribute to the protection of public health and to prevent differing interpretations, the legislation establishes harmonised safety criteria on the acceptability of food, in particular as regards the presence of certain pathogenic micro-organisms.

The Hazard Analysis Critical Control Point (HACCP) plan required by the Department of Health and Mental Hygiene (DOHMH) for reduced oxygen packaging (ROP) is a prevention-based food safety system, based on the plan in the US FDA Food Code. Therefore, spoilage genera in the samples of groups 2, 3, and 4 could dominate by producing acid and, as a result, could be related to beef spoilage in beef meat.Food spoilage microorganisms focuses on the control of microbial spoilage and provides an understanding necessary to do this.

The first part of this essential new book looks at tools, techniques and methods for the detection and analysis of microbial food spoilage with chapters focussing on analytical methods, predictive modelling and stability.#3: Spoilage Bacteria are Not Pathogenic.

The type of bacteria that cause foods to spoil are not typically illness-causing bacteria. According to USDA, “Spoilage bacteria are microorganisms too small to be seen without a microscope that cause food to deteriorate and develop unpleasant odors, tastes, and .