Comparative study of microorganisms and sensory attributes of condiments from the fermentation of different seeds |
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| Authors: | I A O Jideani C R Okeke |
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| Institution: | (1) School of Science, Abubakar Tafawa Balewa University, P.M.B. 0248, Bauchi, Nigeria;(2) Present address: Procter Dept of Food Science, University of Leeds, LS2 9JT Leeds, UK |
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| Abstract: | Seeds of African locust bean, melon, castor oil bean and soybean were processed and fermented for 3 days to produce local condiments in the laboratory with a method that simulated the traditional production process. Microorganisms associated with their fermentation and the organoleptic properties of the products were compared.Altogether, seven species of bacteria were involved in the fermentation. These included fiveBacillus spp. and one species each ofPseudomonas andStaphylococcus. Their occurrence vary between the seeds on the different days of fermentation. However,Bacillus spp. were present in all the seeds throughout the fermentation period. The sensory evaluation preference rating for the four products was highest for soybean condiment, followed by that made from locust bean. Melon condiment was the least preferred among the four products. Statistical analysis showed that there were significant differences (P 0.05) among the four products for each of the four organoleptic properties evaluated by the judges and also for titratable acidity. Glutamic acid level of soybean condiment was highest (0.31%) among the four products with that of melon being the lowest (0.04%). These results could serve as useful indices for the development of starter culture and optimization of production process in commercializing the production of these local condiments. |
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| Keywords: | seed fermentation condiments bacteria organoleptic properties |
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