Microbial composition of the abattoir environment and its health implications on the quality of fresh cow meat sold in Akure, Ondo State, Nigeria

Effects of ventilation regimen on the quality of ewes' milk and on proteolysis in Canestrato Pugliese cheese during ripening were studied. Cheeses were manufactured from the bulk milk of Comisana ewes subjected to three different ventilation regimens, which were designated low (LOV, 23 m3/h per ewe), moderate (MOV, 47 m3/h per ewe) and programmed ventilation regimen (PROV, 73 m3/h per ewe; fan set to maintain 70% relative humidity). Bulk milk was analysed for chemical and microbial composition, renneting parameters and plasmin-plasminogen activities. At 1, 15, 30 and 45 d of ripening, the cheeses were analysed for gross chemical composition, nitrogen fractions, and plasmin and plasminogen activities. The pH 4·6-insoluble nitrogen fractions were analysed by urea-PAGE. Free amino acid content was determined at the end of ripening. Lower concentrations of bulk milk somatic cell count (BMSCC) and of mesophilic bacteria were found in the MOV group than in the LOV and the PROV groups. A lower plasminogen (PG) to plasmin (PL) ratio (PG/PL) was observed in the MOV and PROV than in the LOV cheeses. Irrespective of treatment, PL activity in cheeses was higher at 15 d of ripening, while a sudden decrease of PL and PG activities was observed at 30 d, which was associated with a marked increase in non-protein nitrogen. The peptide profile characterized in the urea-PAGE showed a greater intensity of α- and β-CN hydrolysis in the MOV than in the PROV and LOV cheeses. The results provide evidence that a proper ventilation regimen is critical for optimizing the hygienic quality of milk and the proteolysis of Canestrato Pugliese cheese during ripening.

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HEALTH IMPLICATIONS OF THE QUALITY OF WATER FROM WATER VENDORS’ SOURCES OF SUPPLY IN A NIGERIAN URBAN CENTRE: THE CASE OF ENUGU NORTH, NIGERIA

ISEE Conference Abstracts ◽

10.1289/isee.2013.p-1-14-09 ◽

2013 ◽

Vol 2013 (1) ◽

pp. 3993

Author(s):

Emmanuella Onyenechere ◽

Eleazu Ebere

Keyword(s):

Urban Centre ◽

Health Implications ◽

Quality Of Water

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Bio-Accessibility and Health Risk Assessment of Heavy Metals in Indoor Dust From Higher Institutions in Ondo State, Nigeria

10.21203/rs.3.rs-479774/v1 ◽

2021 ◽

Author(s):

Omoyemi Oluwatosin Ajayi ◽

Abdullahi Tunde Aborode ◽

Joshua Iseoluwa Orege ◽

Tolulope Oyelekan Oyewumi ◽

Amina Othmani ◽

...

Keyword(s):

Health Risk ◽

Indoor Air ◽

Hazard Index ◽

Indoor Dust ◽

Potential Health ◽

Flame Atomic Absorption ◽

Flame Atomic Absorption Spectrophotometer ◽

Exposure Pathway ◽

Ondo State

Abstract Quality of indoor air has been a major concern over time particularly in urban areas. Amidst the indoor air parameters, particulate matter/dust is of core interest owing to the fact that it acts as sediment for metals and other pollutants. Considering the ample amount of time spent indoor by students, this study has been mapped out to investigate the quality of air in tertiary institutions in Ondo State, Nigeria based on their proximity to more anthropogenic activities. Herein, pH, conductivity, and anion concentrations in the indoor dust samples were estimated employing standard analytical methods. Our findings revealed a sequence of anion concentration level as follows, Cl−>SO42−>NO3−. Also, the concentrations of some selected metals were analyzed using flame atomic absorption spectrophotometer (FAAS). The variation in metal concentration observed in most study sites was in the order Cu > Zn > Cr > Pb > Cd. The mean heavy metal variation followed the trend based on the sample collection sites considered in the present study with FE > OA > FU > HT and Cu (0.480mg/kg), Zn (0.409mg/kg), Cr (0.407mg/kg), Pb (0.149mg/kg) and Cd (0.029mg/kg) being the highest concentration of each of the metals. However, all the metal concentrations were below the permissible level. The result from non-carcinogenic study indicates that the average daily dose (by ingestion) was found to be the core exposure pathway such that ADDing > ADDderm > ADDinh. Nevertheless, the hazard quotient (HQ) and hazard index (HI) were less than 1. This implies that no potential health risk. More generally, a relative degree of safety and strict regulations is suggested to be put in place to maintain the status.

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Assessing the quality of Astragalus fermented using Lactobacillus plantarum and Enterococcus faecium by its physicochemical properties and monitoring the bacterial composition with single molecule, real-time sequencing technology

10.7287/peerj.preprints.3512v1 ◽

2018 ◽

Author(s):

Hongxing Qiao ◽

Xiaojing Zhang ◽

Hongtao Shi ◽

Yuzhen Song ◽

Chuanzhou Bian

Keyword(s):

Real Time ◽

Lactobacillus Plantarum ◽

Single Molecule ◽

Enterococcus Faecium ◽

Sequencing Technology ◽

Production Rates ◽

Microbial Composition ◽

Sequencing Platform ◽

Positive Effects

Background. Astragalus was a well-known traditional herbal medicine, widely used in human s , livestock and poultry in China and E ast Asia. Fermentation could improve health-promoting biological substance by probiotics. Methods. We investigated Astragalus that was fermented using probiotics including Enterococcus faecium , Lactobacillus plantarum and E nterococcus faecium + L actobacillus plantarum and applied the PacBio single molecule, real-time sequencing technology (SMRT) to evaluat e the quality of Astragalus fermentation production. Results. We found the production rates of acetic acid, methylacetic acid , ethylacetic acid and lactic acid using E. faecium + L. plantarum fermentation were 1866.24 mg/kg on day 15 , 203.80 mg/kg on day 30 , 996.04 mg/kg on day 15 and 3081.99 mg/kg on day 20 , respectively. Other production rates were: polysaccharide s, 9.43%, 8.51% and 7 . 59% on day 10; saponins , 19.6912 mg/g, 21.6630 mg/g and 20.2084 mg/g on day 15; and flavonoid s, 1.9032 mg/g, 2.0835 mg/g and 1.7086 mg/g on day 20 using E . faecium , L . plantarum and E. faecium + L. plantarum , respectively. According to SMRT analysis of the microbial composition s of nine Astragalus samples, we found after fermentation on day 3 , E. faecium and L. plantarum became the most prevalent species. Moreover, E. faecium + L. plantarum gave more positive effects than single strains in the Astragalus solid state fermentation process. Inclusion. Our data have demonstrate d that the SMRT sequencing platform is applicable to assessing the quality of Astragalus fermentation.

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Performance Evaluation of a Refrigeration System for Fresh Maize Storage

Journal of Engineering Research and Reports ◽

10.9734/jerr/2019/v9i417025 ◽

2020 ◽

pp. 1-9

Author(s):

O. O. Caleb ◽

N. G. Olaiya ◽

M. A. Akintunde

Keyword(s):

Freezing Temperature ◽

Refrigeration System ◽

Production Engineering ◽

University Of Technology ◽

Expansion Valve ◽

Temperature Ranges ◽

Ondo State ◽

Wall Stainless Steel ◽

System Operating

Aims: In this research project, a refrigeration system that will preserve the quality of fresh maize was developed. Study Design: Design of refrigeration system. Place and Duration of Study: Department of Industrial and Production Engineering, Federal University of Technology, Akure, Ondo State, Nigeria, between August 2017 and February 2018. Methodology: The designed system consists of a cooling cabinet, compressor, condenser and an evaporator. The cabinet was designed to store up to 15 kg of maize and a compressor of 1/6 hp was used. The equivalent condenser and evaporator were selected with an equivalent expansion valve. R134a was used as the refrigerant. The cabinet walls were fabricated from mild steel (outside wall), stainless steel (inner wall) and glass wool (insulator). Results: The fabricated system stores fresh maize above its freezing temperature of -1ºC. The system operating temperature ranges from -4 to 2.5ºC with a relative humidity of 90 to 95% for eight hours. Conclusion: The fresh maize was stored for ten days without noticeable changes in the physical appearance and taste of the maize.

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Results of Anti-Recurrent measures in the Active Course of Chronic parenchimatic parotitis in Children

Acta Balneologica ◽

10.36740/abal202103112 ◽

2021 ◽

Vol 64 (3) ◽

pp. 195-199

Author(s):

Pavlo I. Tkachenko ◽

Serhii O. Bilokon ◽

Natalia M. Lokhmatova ◽

Yuliia V. Popelo ◽

Olha B. Dolenko ◽

...

Keyword(s):

Scientific Information ◽

Active Phase ◽

Dynamic Monitoring ◽

First Year ◽

Qualitative Properties ◽

Microbial Composition ◽

Anatomical Structures ◽

Specialized Care ◽

Positive Effect

Aim: To establish the effectiveness of anti-relapse measures in the active phase of chronic parenchymal mumps in children in time of remission. materials and methods: The material for writing this work was the results of a survey in remission for 5 years of 38 children with active chronic parenchymal mumps. General clinical, special and additional research methods were used to establish the effectiveness of anti-relapse measures. Results: According to the generalization of scientific information, it was found that for dynamic monitoring of the course of mumps are quite informative ultrasound diagnosis and sialography, cytological and microbiological study of parotid liquid. Preventive measures, which were carried out twice a year, allowed for a five-year period in 24% of children to achieve recovery, in 76% to improve the condition, and the number of exacerbations decreased by 14 times compared to the first year of observation. Conclusions: To monitor the effectiveness of anti-relapse measures in the active course of chronic parenchymal mumps in remission, it is necessary to study the qualitative properties of the secretion of glands, its cellular composition and the nature of the microbial composition. Quite valuable information is ultrasound diagnostic and sialography, which together allows to establish the severity of violations of their anatomical structures, the quality of specialized care and timely measures to prevent exacerbations, which has a positive effect on the functional activity of the parotid salivary glands.

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