Study on the Correlation between Some Physical and Microbial Quality Characteristics of Peeled Sweet Orange (Citrus sinensis)
Sylvester Chibueze Izah, Tamaraukepreye Catherine Odubo
Journal of Advances in Biology & Biotechnology · pp. 11–23 · Published 8 Mar 2023
10.9734/jabb/2023/v26i1613Abstract
Background /Aim: The consumption of ready-to-eat fruits such as oranges has increased in recent times. This study assessed the correlation between some physical and microbial quality characteristics of peeled sweet orange (Citrus sinensis) sold in Yenagoa, the capital of Bayelsa State, Nigeria. Methodology: A total of thirty peeled oranges were purchased, three from each location. Standard microbiological methods were applied for the analysis. Results: Results showed that the in situ characteristics and microbiological load of peeled oranges sold in Yenagoa, Nigeria were in the ranges of 1.86 to 3.15 Log CFU/g (total fungi), 1.56 to 2.86 Log CFU/g (total heterotrophic bacteria), 3.14 to – 4.19 (pH), 1.84 to 3.03 ppt (salinity), 3.27 to 5.00 mS/cm (conductivity) and 2.56 to 4.10 ppt (total dissolved solid). There was statistical deviation (p<0.05) for the in situ characteristics only. There was a positive significant association between the total dissolved solids and conductivity, and total heterotrophic bacteria and total fungi. Salinity negatively correlates with total heterotrophic bacteria and total fungi. The microbial isolates found in the samples include Staphylococcus aureus, Escherichia coli, Enterobacter, Bacillus, Proteus, and Micrococcus species, as well as Aspergillus, Penicillium, Mucor, Fusarium, Saccharomyces cerevisiae, and Trichoderma species. Conclusion: However, with improved handling and hygiene levels among orange vendors, the microbial load could be reduced. Furthermore, the study showed that similar factors affected the total dissolved solids, conductivity, total heterotrophic bacteria, and total fungi. While the negative correlations that exists between salinity and total heterotrophic bacteria and total fungi revealed that diverse factors affect their concentrations in the orange.
References (35)
- 1 Standard methods: For the examination of water and waste water [DOI]
- 2 District Laboratory Practice in Tropical Countries [DOI]
- 3 Correlation between conductivity and total dissolved solid in various type of water: A review [DOI]
- 4 Microbiological Applications: A Laboratory Manual in General Microbiology
- 5 Descriptions of Medical Fungi [DOI]
- 6 Quality degradation kinetics of pasteurised and high pressure processed fresh Navel orange juice: Nutritional parameters and shelf life [DOI]
- 7 A Review of Heavy Metal Concentration and Potential Health Implications of Beverages Consumed in Nigeria [DOI]
- 8 Microbes Associated with Freshly Prepared Juices of Citrus and Carrots [DOI]
- 9 Textbook of Microbiology [DOI]
- 10 Distributions, pollution evaluation and health risk of selected heavy metal in surface water of Taylor creek, Bayelsa State, Nigeria [DOI]
- 11 Environmental and human health risk of heavy metals in atmospheric particulate matter (PM10) around gas flaring vicinity in Bayelsa State, Nigeria [DOI]
- 12 Concentration, Source, and Health Risk of Trace Metals in Some Liquid Herbal Medicine Sold in Nigeria [DOI]
- 13 Tannery Effluent Treatment by Yeast Species Isolates from Watermelon [DOI]
- 14 Environmental microbiology: A laboratory manual
- 15 Treatment and Valorization of Palm Oil Mill Effluent through Production of Food Grade Yeast Biomass [DOI]
- 16 Impacts of Anthropogenic Activities on Heavy Metal Levels in Surface Water of Nun River around Gbarantoru and Tombia Towns, Bayelsa State, Nigeria [DOI]
- 17 Changes in the Treatment of Some Physico-Chemical Properties of Cassava Mill Effluents Using Saccharomyces cerevisiae [DOI]
- 18 Microbiological quality of crude palm oil produced by smallholder processors in the Niger Delta, Nigeria
- 19 Removal of Heavy Metals in Cassava Mill Effluents with Saccharomyces cerevisiae isolated from Palm Wine [DOI]
- 20 A meta-analysis of microbial contaminants in selected ready-to-eat foods in Bayelsa State, Nigeria: Public Health implications and risk-reduction strategies [DOI]
- 21 Hazard Analysis of Trace Metals in Muscle of Sarotherodon Melanotheron and Chrysichthys Nigrodigitatus from Okulu River, Rivers State, Nigeria [DOI]
- 22 Microbiological quality of fermented Cassava Flakes (Gari) sold in Yenagoa, Metropolis, Nigeria
- 23 Trace element composition of Gallus gallus domesticus eggs and health risks associated with their consumption in Port Harcourt, Nigeria [DOI]
- 24 Antimicrobial resistance of bacterial strains isolated from orange juice products [DOI]
- 25 Effect of Lime Juice on the Bacterial Quality of Zobo Drinks Locally Produced in Nigeria [DOI]
- 26 Physicochemical Characteristics of Nun River at Gbarantoru and Tombia Axis in Bayelsa State, Nigeria [DOI]
- 27 Microbial quality assessment of fermented maize Ogi (a cereal product) and options for overcoming constraints in production
- 28 Microbiological quality control study of some processed fruit juices by conventional approach
- 29 Assessment of Microbial Characteristics of ProcessedPalm Weevil “Rhynchophorus phoenicis” Larvae Sold in some Market Areas in Bayelsa State, Nigeria [DOI]
- 30 Bergey's Manual of Determinative Bacteriology [DOI]
- 31 Microbiological quality assessment of suya sold in Yenagoa, metropolis, Nigeria
- 32 Variation in physicochemical water quality parameters during fermentation of maize for Ogi production
- 33 MICROBIOLOGICAL QUALITY OF SLICED FRESH FRUITS SOLD IN BIDA, NIGERIA
- 34 Microbial Evaluation of Orange Fruit Juice Sold in Port Harcourt, Nigeria
- 35 Variations in microbial density and in-situ water quality characteristics of cassava fermentation medium for fufu production [DOI]
Cited by 4
Abdallah M S, Suleiman Muhamamd Auwal, Ibrahim Safana Aliyu · International Journal of Sustainable Biome and Life Care · 2025
Kurotimipa Frank Ovuru, Sylvester Chibueze Izah, Hadida Yasmin · Reference Series in Phytochemistry · 2024
Kurotimipa Frank Ovuru, Sylvester Chibueze Izah, Hadida Yasmin · Reference Series in Phytochemistry · 2023
Showing 3 of 4 known citations — external sources report more than can currently be individually listed.
Related research
- Medical Tourism, Public Health and Economic Development in Nigeria: Issues and Prospects — shares topic coverage
- The Cuban Healthcare System: An Insight — shares topic coverage
- The Effect of Educational Intervention on Rational Prescribing in Public Health Facilities in Selected Local Government Areas of Rivers State: An Interventional Study — shares topic coverage
- Role of Community Pharmacist in Public Health Services, Riyadh, Saudi Arabia — shares topic coverage
- Prevalence of Geohelminths among Primary School Children in Edoh Community, Esit Eket Local Government Area, Akwa Ibom State, Nigeria — shares topic coverage
Article metrics
Real usage data collected on this platform.
27
Page views
0
PDF downloads
3
Outbound clicks
4
Citations
Views over time
Views by country
Approximate, from request IP at view time — not citizenship or institution. Countries with fewer than 5 views are grouped as "Other".
Traffic sources
Referring site, by host.
Views and downloads exclude known bots/crawlers. Citations combines this platform's own DOI-resolved index with each external source's own reported total — see Cited by above for individually listed citing works. Last refreshed 0 seconds ago.