Effect of Tacca Starch Loading on Production of Amylolytic Enzymes from Ragi Tapai

Abstract:

The study was done to determine the effect of Tacca starch loading on production of amylolytic enzyme from Ragi Tapai. In this study, Ragi Tapai was used as a starter to produce amylolytic enzyme. The fermentation was done in a solid state fermentation with the presence of Tacca leontopetaloides starch as the carbon source. The analysis of total sugar was conducted using DNS method and amylolytic enzyme was determined using Lowry method. The mixture was fermented and incubated for 24, 48, 72 and 96h. The result revealed that the optimum production of amylase was found at 48 h of incubation with amylase activity of 1.91 U/ml/min and 1.42 mg/ml for total protein. The study shows that increment amount of the Tacca starch in cultivation medium, increase the production of the amylase and total protein content. The highest enzyme activity was obtained at 4% of Tacca starch loading with amylase activity and total protein content of 2.14 U/ml/min and 1.42 mg/ml respectively. The study indicated that growth promoters in Tacca starch capable to enhance the activity of microbial consortium in Ragi Tapai for production of the amylolytic enzyme.

• Periodical: Materials Science Forum (Volume 987)
• Pages: 118-123
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.987.118
• Online since: April 2020
• Authors: Nurul Syafiqa Izyan, Dg Nurdayana Azman, Nur Amalina Mohd Saad, Suhaila Mohd Sauid, Hamzah Fazlena*
• Keywords: Amylolytic, Enzyme, Ragi Tapai, Starch, Tacca, Total Sugar

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