AiM  Vol.3 No.4 , August 2013
Nutritional, Microbiological and Sensory Characteristics of Malted Soy-Kunu Zaki: An Improved Traditional Beverage
ABSTRACT

The nutritional, microbiological and sensory characteristics of improved kunu-zaki produced from malted cereals enriched with malted soymilk at different substitution levels (0% - 30%) were investigated. Enrichment with soymilk and malting increased the protein, amino acid, ash and moisture content of the improved kunu-zaki. Malting resulted in a decrease in carbohydrate and fat content. The protein content of the malted samples ranged between 2.79% and 3.82% while that of unmalted was 2.36%. There was decrease in the concentration of phytic acid and trypsin inhibitor after malting but the concentration increased as soymilk was added. Microbiological analyses showed that microbial load of samples increased with the addition of soymilk. There was a significant difference (p < 0.05) in the sensory attributes, acceptability decrease with increase in soymilk addition because of the beany flavor.


Cite this paper
A. Adelekan, A. Alamu, N. Arisa, Y. Adebayo and A. Dosa, "Nutritional, Microbiological and Sensory Characteristics of Malted Soy-Kunu Zaki: An Improved Traditional Beverage," Advances in Microbiology, Vol. 3 No. 4, 2013, pp. 389-397. doi: 10.4236/aim.2013.34053.
References
[1]   I. A. Adeyemi and S. Umar, “Effect of Method of Manufacture on Quality Characteristics of Kunu Zaki, a Milletbased Beverage,” Nigerian Food Journal, Vol. 12, 1994, pp. 34-41.

[2]   S. R. Singh, K. O. Rachie and K. E. Dashieli, “Soybean Research Production and Utilization,” John Wiley and Sons Ltd., Hoboken, 1987, pp. 1-5

[3]   A. C. Chapman, “Some Derivatives of Humulene,” Journal of the Chemical Society, 1982. pp. 1303-1306

[4]   O. Akoma, S. A. Onuoha, M. O. Ajiboye, A. O. Akoma and A. M. Alawoki, “The Nutritional and Sensory Quality Characteistics of Kunun-Zaki Produced with the Addition of Hydrolytic Enzymes from Malted Rice (Oryza sativa),” Journal of Food Technology in Africa, Vol. 7, No. 1, 2002, pp. 24-26. doi:10.4314/jfta.v7i1.19314

[5]   A. I. Ihekoronye and P. O. Ngoddy, “Integrated Food Science and Technology for the Tropics,” Macmillian Publishers Ltd., London, 1985, pp. 250.

[6]   AOAC, “Official Methods of Analysis. Association of Analytical Chemists,” Washington DC, 1990.

[7]   AOAC, “Official Methods of Analysis. Association of Analytical Chemists,” Washington DC, 2002.

[8]   C. Magné and F. Larher, “Higher Sugar Content of Extract Interferes with the Colorimetric Determination of Free Amino Acids and Free Proline,” Analytical Biochemistry, Vol. 200, No. 1, 1957, pp. 115-118. doi:10.1016/0003-2697(92)90285-F

[9]   M. J. Palczar and E. C. S. Chan, “Laboratory Exercise in Microbiology,” Black Dot Inc., New York, 1997.

[10]   E. Larmond, “Laboratory Methods for Sensory Evaluation of Foods,” Department of Agric, Ottawa, 1977, pp. 18-46.

[11]   Y. D. Wang and M. L. Fields, “Germination of Corn and Sorghum in the Home to Improve Nutritive Value,” Journal of Food Science, Vol. 43, No. 4, 1978, pp.1113-1115. doi:10.1111/j.1365-2621.1978.tb15247.x

[12]   D. E. Briggs and J. MacDonald, “Patterns of Modification in Malting Barley,” Journal of the Institute of Brewing, Vol. 89, No. 4, 1983, pp. 260-273. doi:10.1002/j.2050-0416.1983.tb04184.x

[13]   F. O. Sade, “Proximate, Antinutritional Factors and Functional Properties of Processed Pearl Millet (Pennisetum glaucum),” Journal of Food Technology, Vol. 7, No. 3, 2009, pp. 92-97.

[14]   N. M. Nnam, “Evaluation of Effect of Sprouting on the Viscosity, Proximate Composition and Mineral Content of Hungary Rice, Acha (Digiteria exilis) Flour,” Nigerian Food Journal, Vol. 18, 2002, pp. 57-62.

[15]   O. B. Ocheme and C. E. Chinma, “Effect of Soaking and Germination on Some Physic Chemical Properties of Millet Flour for Porridge Production,” Journal of Food Technology, Vol. 6, 2008, pp. 185-188.

[16]   A. W. Ashiru, O. O. Olaleye and P. O. Egbenni, “Occurrence of pathogenic organisms in kunun drink sold within Lagos Metropolis,” Proceedings of the 27th Annual NIFST Conference, 2003, p. 84.

[17]   T. Traore, C. Mouquet, C. Icard-Vaerniere, A. S. Traore, and S. Treche, “Changes in Nutrient Composition, Phytate and Cyanide Contents and Amylase Activity during Cereal Malting in Small Production Units in Ouagadougou (Burkina faso),” Food Chemistry, Vol. 99, No. 1, 2004, pp. 105-114. doi:10.1016/j.foodchem.2004.01.032

[18]   I. A. Akinrele, “Fermentation Studies on Maize during Preparation of a Traditional African Starch-Cake Food,” Journal of the Science of Food and Agriculture, Vol. 21, No. 12, 1970, pp. 619-625. doi:10.1002/jsfa.2740211205

[19]   S. A. Odunfa and S. Adeyele, “Microbiological Changes during the Traditional Production of Ogi-Baba, a West African Fermented Sorghum Gruel,” Journal of Cereal Science, Vol. 3, No. 2, 1985, pp. 173-180. doi:10.1016/S0733-5210(85)80027-8

 
 
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