Skip to content
Research Article Open access CC BY 3.0

Nature of Tomatoes Microflora under Storage

A. O. Ajayi

Journal of Experimental Agriculture International · pp. 89–101 · Published 20 Dec 2012

10.9734/AJEA/2013/2177

Abstract

Aims: The aim of this study is to determine microbial load of tomatoes including microbial species it constitute under storage with particular reference to raw and canned tomatoes. Study Design: Random sampling of Tomatoes, from selected sources in Ondo State, Nigeria. Place and Duration of Study: Sample: Akungba-Akoko and some communities in Ondo State. Analysis at Microbiology Laboratory, Adekunle Ajasin University, Akungba-Akoko. August, 2011 to July, 2012. Methodology: Pour plate techniques were used to enumerate microbial load of the samples. Discrete isolated colonies from these sources were sub-cultured using streak plate method to get purified cultures for the study. The bacterial isolates were Gram stained while fungal species were examined using lactophenol cotton blue stain. Standard microbiological methods were subsequently used to identify the tomatoes microflora. Result: The bacterial load observed during the study ranged from 1 x 105 in CT3 to 38 x 105 in CT2 which are the canned sample sources. Similar range of 10 to 21 cfu/mL was recorded for the raw tomatoes. Microorganisms generally encountered include eight bacteria species such as, Leuconostoc Species, Pediococcus species, Staphylococcus species, Planococcus species, Micrococcus Species, Bacillus Species, Streptococcus species and Clostridium species. Similarly, three fungal species were encountered during the study. These include Saccharomyces species, Aspergillus species and Neurospora species. Conclusion: The microbial load and isolates from raw (local) tomatoes sources are at close range to those isolated from the canned tomatoes sources which still shows the natural protective lactic acid components of this food source. Exposure of canned tomato to air gives room for deterioration by microorganisms as shown in this study. So, both raw and canned tomato should be well protected from contaminants to limit proliferation of spoilage organisms coupled with improvement of canning Technology. Similarly, the nature of microorganism encountered can be used to determine some food preservation systems in the study area

Growth conditions microflora microorganisms preservation tomatoes nutrients

References (18)

  1. 1 District Laboratory Practice in Tropical Countries [DOI]
  2. 2 Modern Food Microbiology [DOI]
  3. 3 Modern Food Microbiology [DOI]
  4. 4 Todar's Online Textbook of Bacteriology
  5. 5 JOINT FAO/WHO FOOD STANDARDS PROGRAMME
  6. 6 Basic Food Microbiology [DOI]
  7. 7 The Tomato As a Functional Food [DOI]
  8. 8 Characterization of Leuconostoc gasicomitatum sp. nov., Associated with Spoiled Raw Tomato-Marinated Broiler Meat Strips Packaged under Modified-Atmosphere Conditions [DOI]
  9. 9 Canned Foods: Thermal Processing and Microbiology
  10. 10 Evaluation of Colilert-18 for Detection of Coliforms and Eschericha coli in Subtropical Freshwater [DOI]
  11. 11 General Microbiology, 7th edition.
  12. 12 Microbiology 7 Edition
  13. 13 Canned Foods. An Introduction to their Microbiology [DOI]
  14. 14 Canned Foods: An Introduction to Their Microbiology [DOI]
  15. 15 Purification of Cellulase obtained from Tomato fruits (Lycopersicon lycopersicum (L.) Karst) deteriorated by Aspergillus Flavus Linn
  16. 16 Basic Food Microbiology [DOI]
  17. 17 MICROBIOLOGY HANDBOOK FISH AND SEAFOOD
  18. 18 Bacterial Diseases of Tomato

Cited by 15

The Potential of Beeswax Coating in the Preservation of Tomato (Solanum lycopersicum) Fruits

T. Banjo, R. Malomo · Journal of Food Quality and Hazards Control · 2024

Microbiological Contamination of Freshly Cultivated Produce: Implications for Public Health and Food Safety

C. M. Ezenwa, C. Obum-Nnadi · Asian Journal of Food Research and Nutrition · 2024

Microbial Assessment of Tomatoes (Lycopersicon esculentum) Sold at Some Central Markets in Ghana

F. A. Obeng, Pokuaa Belinda Gyasi, M. Olu-Taiwo · BioMed Research International · 2018

Natural Microflora of Different Types of Foods

H. Erten, B. Ağirman, C. P. Boyaci-Gunduz · Health and Safety Aspects of Food Processing Technologies · 2019

Article metrics

Real usage data collected on this platform.

6

Page views

0

PDF downloads

0

Outbound clicks

15

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.