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Kwame Nkrumah University of Science and Technology

1. Asaam, Susuana. Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana.

Degree: 2018, Kwame Nkrumah University of Science and Technology

High microbial contamination of locally processed “kokonte” chips has been a concern, as its poor quality endangers the health of consumers sometimes with heat-resistant microbial toxins. The study assessed the extent of microbial contamination in “kokonte” chips produced from three processing methods in Ghana. Samples were purchased from “kokonte” producers in Volta Region (KCPV), cassava sellers in the Greater Accra Region (KCCA) of Ghana while Industry-processed (IP) “kokonte” samples were processed at the CSIR - Food Research Institute, Pokuase. Moisture content, Total Viable Count (TVC), Total Coliform Count (TCC), E. coli Count, and identification of microorganisms were determined using standard microbial techniques. The average TVC of samples from KCPV, KCCA and IP were log 7.560 ± 0.184 cfu/g, log 7.440 ± 0.573 cfu/g, and log 2.038 ± 0.409 cfu/g, respectively. The average TCC for the samples from KCPV and KCCA were log 1.452 ± 0.273 cfu/g and log 1.163 ± 0.733 cfu/g, respectively. The IP sample did not record any coliform. No E. coli was identified in the IP sample but KCPV sample recorded E. coli count of log 1.140 ± 0.180 cfu/g while samples from KCCA recorded E. coli count of log 0.550 ± 0.584 cfu/g. The locally-processed cassava chips, from KCPV and KCCP, recorded mould counts above log 6.00 cfu/g, however, the IP sample recorded mould count of log 1.200 ± 0.281 cfu/g. Corynebacterium spp., E. coli, Bacillus cereus, Salmonella spp., Proteus spp., Streptococcus spp., Bacillus subtilis, Staphylococcus aureus, Enterobacter spp., and Bacillus licheniformis were identified in KCPV. Mould isolates in the KCPV were Mucor spp., Rhizopus spp., Aspergillus niger, Fusarium spp. and Cryptococcus spp. The bacterial isolates in the KCCA samples were Corynebacterium spp., E. coli, Bacillus cereus, Salmonella spp., Proteus spp., Streptococcus spp., Bacillus subtilis, Staphylococcus aureus, Enterobacter spp., and Bacillus licheniformis. Mucor spp., Rhizopus spp., Aspergillus niger, Fusarium spp. and Cryptococcus spp. were the mould isolate recorded. Thus, the locally-processed samples were highly contaminated and may have serious health implications on consumers compared to the IP samples.

A thesis submitted to the Department of Food Science and Technology, College of Science, in partial fulfilment of the requirements for the degree of Master of Science in Food Quality Management, 2017

KNUST

Subjects/Keywords: Microbial; Contamination; “Kokonte” chips; KCPV – Kokonte Chips Processed by Kokonte Producers in Volta Region; KCCA - Kokonte Chips Processed by Cassava sellers in Greater Accra Region; IP – Industry Processed Kokonte Chips (CSIR – Food Research Institute) Moisture; Total Viable Count (TVC); Total Coliform Count (TCC); E. coli Count

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Asaam, S. (2018). Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana. (Thesis). Kwame Nkrumah University of Science and Technology. Retrieved from http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11496

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Asaam, Susuana. “Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana.” 2018. Thesis, Kwame Nkrumah University of Science and Technology. Accessed December 19, 2018. http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11496.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Asaam, Susuana. “Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana.” 2018. Web. 19 Dec 2018.

Vancouver:

Asaam S. Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana. [Internet] [Thesis]. Kwame Nkrumah University of Science and Technology; 2018. [cited 2018 Dec 19]. Available from: http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11496.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Asaam S. Microbial Profiles of Kokonte Chips/Pieces Produced From Three Processing Methods in Ghana. [Thesis]. Kwame Nkrumah University of Science and Technology; 2018. Available from: http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11496

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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