Seafood safety compliance with hygiene regulations within Vietnamese domestic distribution chains

2016 ◽  
Vol 118 (4) ◽  
pp. 777-794 ◽  
Author(s):  
Phuc Hong Luu ◽  
Michael P Dunne ◽  
Warwick Pearse ◽  
Belinda Davies
Keyword(s):  
Microbiological Quality ◽  
National Standards ◽  
Fish Distribution ◽  
Content Type ◽  
Retail Markets ◽  
Notational Analysis ◽  
Safety Compliance ◽  
Raw Fish ◽  
Handling Practices

Purpose – In order to improve the safety of seafood in the domestic seafood distribution chains (DSDCs) in Vietnam, a better understanding of current hygiene and practices compliance with government regulations is needed. The paper aims to discuss this issue. Design/methodology/approach – Infrastructure conditions and documents related to hygiene procedures of 50 trading places were evaluated using checklists. The hygiene handling practices of 135 fish distributors were also observed by using notational analysis methods. This notational analysis method focused on actions related to microbiological contamination in terms of hand washing or glove changing and the cleaning and sanitising of tools and equipment. Additionally, microbiological quality of 135 samples of raw finfish at points along distribution chains was compared with national standards. Findings – The results indicated that all trading places could be classified as non-compliant or seriously non-compliant with the regulations. The practices of fish distributors were also assessed to be at high risk for contamination of raw fish. The findings showed that approximately 42 and 39 per cent of samples from fishing ports and fish markets, respectively were classified as unacceptable according to the microbiological standards of Vietnam. Research limitations/implications – The present study is limited to research only from fish landing at fishing ports to the distribution to consumers at retail markets. Originality/value – Recommendations for improving food safety in the DSDCs in Vietnam have been developed from the findings of this study and are provided. However, due to similarities with fish distribution chains in other countries, these recommendations may have broader application.

scholarly journals Physico-Chemical and Microbiological Quality Assessment of Ice Blocks Sold in Selected Wet Markets in Manila, Philippines

2018 ◽  
Vol 52 (3) ◽  
Author(s):  
Leandro F. Salazar ◽  
Trishia Alexis I. Alvez ◽  
Janine Marie B. Balbedina ◽  
Javier Alfonso A. Torres ◽  
Ivanah Y. Tupaz ◽  
...  
Keyword(s):  
Microbiological Quality ◽  
National Standards ◽  
Residual Chlorine ◽  
E Coli ◽  
Physico Chemical ◽  
Apparent Color ◽  
Strict Compliance ◽  
Standard Limit ◽  
The City

Objective. The study aimed to determine the physico-chemical and microbiological quality of ice blocks sold in selected wet markets located in the city of Manila. Methods. Twenty-eight samples were collected from three markets. Microbiological quality was analyzed in terms of the presence or absence of coliforms with E. coli as indicator organism. Physico-chemical quality was determined by measuring turbidity, apparent color, pH, iron, and residual chlorine. Measurements obtained were compared with the 2007 Philippine National Standards for Drinking Water (PNSDW). Results. Results showed that all samples tested positive for coliforms while 25 out of the 28 samples were positive for E. coli. Mean turbidity was 2.74 ± 3.68 NTU; for both apparent color and iron tests, all samples complied with the PNSDW standard limit set; mean pH was 6.15 ± 0.64; and mean residual chlorine was 0.06 ± 0.02 mg/L. Average values of apparent color and iron comply with the PNSDW standards. Six out of 28 samples had turbidity values exceeding the standards. All samples were found to have residual chlorine levels below the standards. Conclusion. Ice in markets do not comply with key 2007 PNSDW standards and findings warrant strict compliance of ice quality from manufacturers to the point of distribution to protect consumer health.

Microbiological Quality of Cocoa Powder, Dry Instant Chocolate Drink Mix, Dry Nondairy Coffee Creamer and Frozen Nondairy Topping Obtained at Retail Markets

1983 ◽  
Vol 46 (8) ◽  
pp. 733-736 ◽  
Author(s):  
W. L. PAYNE ◽  
A. P. DURAN ◽  
J. M. LANIER ◽  
A. H. SCHWAB ◽  
R. B. READ ◽  
...  
Keyword(s):  
Geometric Mean ◽  
Microbiological Quality ◽  
Coliform Bacteria ◽  
Most Probable Number ◽  
Probable Number ◽  
Cocoa Powder ◽  
Mean Values ◽  
Retail Markets ◽  
Coffee Creamer

A national survey was conducted of the microbiological quality of three dry ingredients used in beverages and one frozen non-dairy topping obtained at retail markets. Geometric mean aerobic plate counts (APCs) of units examined at 35°C were as follows: 1,313 units of cocoa powder, 6,600 CFU/g; 1,552 units of dry instant chocolate drink mix, 290 CFU/g; 1,559 units of dry non-dairy coffee creamer, 37 CFU/g; and 1,532 units of frozen non-dairy topping, 34 CFU/g. At 30°C, the geometric mean APC was 34 CFU/g for frozen nondairy topping. Geometric means for most probable number determinations of coliform bacteria and Escherichia coli were <3/g for the four products. Geometric mean values for Staphylococcus aureus in three of the products were <10/g; no S. aureus was found in cocoa powder. Geometric mean values for yeasts and molds in dry instant chocolate drink mix and dry nondairy coffee creamer were 8 and 6 CFU/g, respectively.

scholarly journals Evaluation of the Microbiological Quality of Conventional and Organic Leafy Greens at the Time of Purchase from Retail Markets in Alexandria, Egypt

2014 ◽  
Vol 63 (2) ◽  
pp. 237-243 ◽  
Author(s):  
ROWAIDA KHALIL ◽  
MOHAMED GOMAA
Keyword(s):  
Food Safety ◽  
Foodborne Pathogens ◽  
Microbiological Quality ◽  
Plate Method ◽  
Street Vendors ◽  
Retail Markets ◽  
E Coli ◽  
Leafy Greens ◽  
Daily Diet

This is a pioneer study in Egypt that provides some assessment of the microbiological quality of conventional and organic leafy green vegetables that constitute an essential component of the Egyptians' daily diet. A total of 380 samples of unpackaged whole conventional and 84 packaged whole organic leafy greens were collected from retail markets in Alexandria, and analyzed for total aerobic mesophilic count (AMC) and total E. coli count (ECC) using the standard spread plate method. Mean AMC values for organic samples were statistically less (p < 0.05) than those of the corresponding conventional samples. Conventional radish and organic parsley samples had the highest AMC of 7.17 and 7.68 log CFU/g respectively, while conventional green cabbage and organic basil had the lowest AMC of 3.63 and 3.23 log CFU/g respectively. The presence of E. coli in 100% of the studied leafy greens was indicative of potential fecal contamination, in view of open and unhygienic environmental and unsanitary handling conditions, as leafy green items are available for sale by street-vendors. Unsatisfactory AMC and ECC levels encountered in the studied samples, warrant future investigations to determine the potential prevalence of foodborne pathogens, and to identify sources of dominating microorganisms, which could make a contribution to the field of food safety.

scholarly journals Microbiological quality of raw fish based food products

2020 ◽  
Vol 6 (1) ◽  
pp. 5162-5171
Author(s):  
Quele Aparecida Matos ◽  
Zuleide Soares Patez ◽  
Clara Mariana Gonçalves Lima ◽  
Jorge Pamplona Pagnossa ◽  
Adriana da Silva Miranda ◽  
...  
Keyword(s):  
Microbiological Quality ◽  
Food Products ◽  
Raw Fish

Bacteriological Quality of Fresh Seafood Products from Seattle Retail Markets

1983 ◽  
Vol 46 (10) ◽  
pp. 901-909 ◽  
Author(s):  
CARLOS ABEYTA
Keyword(s):  
Puget Sound ◽  
Microbiological Quality ◽  
Mean Value ◽  
Plate Count ◽  
Arithmetic Means ◽  
Retail Markets ◽  
Standard Plate Count ◽  
Standard Plate ◽  
Seafood Products

A microbiological survey of 287 (fresh) seafood products from Puget Sound retail markets was conducted over a period of 1 year. The microbiological quality of fresh seafood was high, with only 2.1 % of the samples exceeding the maximum limit for acceptability as suggested by the International Commission on Microbiological Specifications for Foods (ICMSF). The overall microbiological data of positive units given as arithmetic means were: coliforms MPN/g, 199; Escherichia coli MPN/g, 21; coagulase-positive Staphylococcus aureus MPN/g, 66; enterococci/g, 9121; Clostridium perfringens/g, 18; Bacillus cereus/g, 100; and Vibrio parahaemolyticus MPN/g, 3.7. The standard plate count means 1.0 × 103 to 2.5 × 107 colony-forming units (CFU)/g, giving a mean value of 2.0 × 105 CFU/g. The percentages of seafood samples positive for pathogens were S. aureus, 37.6; Yersinia enterocolitica, 3.8; V. parahaemolyticus, 2.8; C. perfringens, 2.4; and B. cereus, 0.7. Vibrio cholerae, Clostridium botulinum, Salmonella and Shigella species were not isolated.

scholarly journals Ecological risk assessment of a subtropical river influenced by discharges of residues from water and sewage treatment plants

2017 ◽  
Vol 28 (2) ◽  
pp. 156-174 ◽  
Author(s):  
Angélica Megda Silva ◽  
Denis Abessa ◽  
Paulo Augusto Zaitune Pamplin ◽  
Maria Beatriz Bohrer-Morel
Keyword(s):  
Sewage Treatment ◽  
Integrated Approach ◽  
National Standards ◽  
Benthic Community Structure ◽  
Content Type ◽  
Sewage Treatment Plants ◽  
Quality Assessments ◽  
Practical Implications ◽  
Ecotoxicological Assays

Purpose The São Lourenço River (SLR) is used to supply potable waters for the cities of São Lourenço da Serra and Juquitiba, but receives the residues from the water treatment plants (WTPs) and sewage treatment plants (STPs), respectively. The purpose of this paper is to evaluate the impacts of the discharges of Juquitiba’s WTP and STP on the quality of the SLR, by using an integrated approach based on different lines of evidence. Design/methodology/approach Six sampling sites were established along the river and comprised areas situated upstream and downstream of the discharges. Five sampling surveys were performed between 2004 and 2006 for collecting water and sediment samples for ecotoxicological assays. In two of these campaigns, benthic community structure and geochemistry (metals, nutrients and sediment texture) were also assessed. Findings Concentrations of P, Fe and Al in waters exceeded the national standards, but sediments were not considered to be contaminated by metals or nutrients. Water and sediments tended to exhibit marginal toxicities, excluding the sediments from JQT007 and JQT008 that were frequently toxic. Combination of geochemistry, toxicity and ecological indices indicated that some sites are not degraded, but in some stations the benthic alteration may be due to non-measured contaminants, especially in JQT007 and JQT008. Practical implications As the use of waters from SLR for public supply has increased, these results show that action should be taken in order to reverse the environmental degradation of SRL. Originality/value This research combined sediment and water quality assessments in order to provide a more suitable and reliable diagnostic of the environmental quality of the SLR.

Chemical and microbiological quality of desalinated waters in Birjand city, Iran

2018 ◽  
Vol 9 (1) ◽  
pp. 64-70 ◽  
Author(s):  
Ali Naghizadeh ◽  
Mohammad Kamranifar ◽  
Fatemehsadat Masoudi ◽  
Mohammad Reza Nabavian
Keyword(s):  
Microbiological Quality ◽  
Quality Parameters ◽  
The Body ◽  
International Standards ◽  
National Standards ◽  
Fecal Coliforms ◽  
World Health ◽  
Residual Chlorine ◽  
Treated Water

Abstract The importance of water in everyday life is clear for humans and living creatures. In addition to supplying the water required for the body, it also contains necessary minerals. An increase or decrease in these minerals is responsible for various diseases and problems. Due to the growing consumption of treated water in Birjand, Iran and the need for the continuous monitoring of the quality of treated water, this descriptive research aimed to determine the chemical and microbiological quality of treated water of desalination stations in Birjand from September 23rd, 2015 to March 19th, 2016 (autumn and winter). Samples were directly taken from the desalination stations of Birjand. Physical and chemical tests were performed according to the Standard Methods. The results were compared with national standards as well as World Health Organization (WHO) guidelines. The results showed that almost all measured chemical and bacterial characteristics were less than the national and international standards. Also, the samples were standard in terms of coliforms and fecal coliforms. In some stations the concentrations of free residual chlorine and also magnesium were higher than standards. Therefore, periodic investigation of quality parameters is recommended in all desalination stations to reflect the results to authorities.

scholarly journals Microbiological quality of fish grown in wastewater-fed and non-wastewater-fed fishponds in Hanoi, Vietnam: influence of hygiene practices in local retail markets

2007 ◽  
Vol 5 (2) ◽  
pp. 209-218 ◽  
Author(s):  
Nguyen Thi Phong Lan ◽  
Anders Dalsgaard ◽  
Phung Dac Cam ◽  
Duncan Mara
Keyword(s):  
Silver Carp ◽  
Microbiological Quality ◽  
Pond Water ◽  
Gut Contents ◽  
Fresh Weight ◽  
Muscle Weight ◽  
Retail Markets ◽  
Fresh Fish ◽  
Guideline Quality

Mean water quality in two wastewater-fed ponds and one non-wastewater-fed pond in Hanoi, Vietnam was ∼106 and ∼104 presumptive thermotolerant coliforms (pThC) per 100 ml, respectively. Fish (common carp, silver carp and Nile tilapia) grown in these ponds were sampled at harvest and in local retail markets. Bacteriological examination of the fish sampled at harvest from both types of pond showed that they were of very good quality (2−3 pThC g−1 fresh muscle weight), despite the skin and gut contents being very contaminated (102−103 pThC g−1 fresh weight and 104−106 pThC g−1 fresh weight, respectively). These results indicate that the WHO guideline quality of ≤1000 faecal coliforms per 100 ml of pond water in wastewater-fed aquaculture is quite restrictive and represents a safety factor of ∼3 orders of magnitude. However, when the fish from both types of pond were sampled at the point of retail sale, quality deteriorated to 102−105 pThC g−1 of chopped fresh fish (mainly flesh and skin contaminated with gut contents); this was due to the practice of the local fishmongers in descaling and chopping up the fish from both types of pond with the same knife and on the same chopping block. Fishmonger education is required to improve their hygienic practices; this should be followed by regular hygiene inspections.

Comparison of the Microbiological Quality of Environmentally Friendly and Conventionally Grown Vegetables Sold at Retail Markets in Korea

2014 ◽  
Vol 79 (9) ◽  
pp. M1739-M1744 ◽  
Author(s):  
Jee-Hoon Ryu ◽  
Minju Kim ◽  
Eun-Gyeong Kim ◽  
Larry R. Beuchat ◽  
Hoikyung Kim
Keyword(s):  
Microbiological Quality ◽  
Environmentally Friendly ◽  
Retail Markets

Prevalence of Listeria monocytogenes in, and Microbiological and Sensory Quality of, Rainbow Trout, White fish, and Vendace Roes from Finnish Retail Markets

2003 ◽  
Vol 66 (10) ◽  
pp. 1832-1839 ◽  
Author(s):  
HANNA MIETTINEN ◽  
ANNE ARVOLA ◽  
TIINA LUOMA ◽  
GUN WIRTANEN
Keyword(s):  
Rainbow Trout ◽  
Listeria Monocytogenes ◽  
Sensory Quality ◽  
Heterotrophic Bacteria ◽  
Microbiological Quality ◽  
Coliform Bacteria ◽  
Coregonus Lavaretus ◽  
Retail Markets ◽  
Sensory Qualities

The prevalence of Listeria monocytogenes in retail roe, as well as the microbiological and sensory qualities of the roe, were studied for three fish species under three different storage conditions. A total of 147 Finnish rainbow trout (Oncorhynchus mykiss), white fish (Coregonus lavaretus), vendace (Coregonus albula), and burbot (Lota lota) roe samples were bought fresh, frozen, or frozen-thawed from Finnish retail markets. The overall prevalence of L. monocytogenes was 5%; however, the prevalence of the pathogen in fresh roe was 18%. Fresh-bought roe tested positive for Listeria spp. and for L. monocytogenes, respectively, 5 and 20 times as often as did frozen and frozen-thawed roe products combined. The microbiological quality (analyzed as total aerobic heterotrophic bacteria and coliform bacteria) of 78% of the roe samples was unacceptable. Frozen roe samples were found to have the best microbiological quality. According to the results of a sensory evaluation, at least one sensory attribute (appearance, odor freshness, texture, and freshness of taste) was unacceptable for 29% of the roe samples studied. The sensory quality of roe samples bought fresh was better than that of roe samples bought frozen or frozen-thawed. From the results of this study, it is concluded that both the microbiological and the sensory qualities of roe at the retail level need to be improved.

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