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Kwame Nkrumah University of Science and Technology

1. Appau, Marian Harriet Abena Minta. The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans.

Degree: 2018, Kwame Nkrumah University of Science and Technology

Forty-eight cocoa beans samples from bruised cocoa pods were analyzed for Ochratoxin A (OTA). Samples of 5000 g cocoa beans each containing initial OTA concentration of 5.66 ng/g were treated with varying quantities of Aframomum danielli spice powder ranging from 5 g to 250 g (w/w). The samples treated were analyzed for OTA concentrations using HPLC with a fluorescent detector. The study was done using response surface design. The effect of the spice powder was evaluated on two (2) quality attribute of cocoa i.e. Free Fatty Acid and Acidity (pH). Results from the study established a clear trend whereby OTA concentrations in treated cocoa samples decreased from 5.66 ng/g to 0.61 ng/g i.e. 89.22% reduction at 65.79 g of A. danielli powder. There was a decline in the development of OTA in the treated samples (i.e. samples treated with A. danielli powder) as compared to the control samples. Validating the results of the A. danielli at 65.79 g within 95% Confident Interval of 0.45 to 0.81 yielded a residual OTA from 5.66 to 0.63 ng/g, Free Fatty Acid from 3.09 to 1.48% and pH from 6.71 to 7.30. In conclusion, A. danielli spice powder exhibited a bio-preservative effect on OTA i.e., inhibit and reduce its growth in OTA contaminated cocoa beans at maximum level of 65.79 g per 5000 g of cocoa beans above which the quality of the beans will be affected.

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, 2016

KNUST

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

APA (6th Edition):

Appau, M. H. A. M. (2018). The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans. (Thesis). Kwame Nkrumah University of Science and Technology. Retrieved from http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11483

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):

Appau, Marian Harriet Abena Minta. “The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans.” 2018. Thesis, Kwame Nkrumah University of Science and Technology. Accessed November 19, 2018. http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11483.

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

MLA Handbook (7th Edition):

Appau, Marian Harriet Abena Minta. “The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans.” 2018. Web. 19 Nov 2018.

Vancouver:

Appau MHAM. The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans. [Internet] [Thesis]. Kwame Nkrumah University of Science and Technology; 2018. [cited 2018 Nov 19]. Available from: http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11483.

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

Council of Science Editors:

Appau MHAM. The Effect of Aframomum Danielli on Ochratoxin A (OTA) Production; an Emerging Hazard in Dry Cocoa Beans. [Thesis]. Kwame Nkrumah University of Science and Technology; 2018. Available from: http://dspace.knust.edu.gh:8080/jspui/handle/123456789/11483

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

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