Growth Kinetics of Saccharomyces cerevisiae and Tape Yeast on the Cassava Pulp Fermentation and Its Granular Morphology Changes

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Growth Kinetics of Saccharomyces cerevisiae and Tape Yeast on the Cassava Pulp Fermentation and Its Granular Morphology Changes

June 5, 2021 Physical Science 0

Saccharomyces cerevisiae is the yeast most typically utilised in the fermentation of high starch/carbohydrate substrates, such as cassava pulp, a tapioca industry by-product. Tap yeast can be used to ferment cassava pulp in addition to pure S. cerevisiae culture (a consortium of yeast, fungal and bacteria). The goal of this study was to look at the growth kinetics of S. cerevisiae and tape yeast on cassava pulp fermentation as well as the changes in granular shape. The number of cells, rate of starch breakdown, rate of dietary fibre degradation, and rate of growth of Saccharomyces cerevisiae and tape yeast were all studied. The scanning electron microscope was used to examine the granular shape and the rate of cyanide breakdown and protein synthesis (SEM). The study found that the S. cerevisiae pure culture grew faster than tape yeast during cassava pulp fermentation, as evidenced by the logarithmic growth rate (up to 72 h versus 48 h) and changes in granular morphology. The growth rate differential between S. cerevisiae pure culture and tape yeast will result in a difference in starch degradation rate (73.02 mg/h versus 65.09 mg/h), dietary fiber degradation rate (87.33 mg/h versus 21.09 mg/h), cyanide degradation rate (92.57.10-2 ppm/h versus 97.49.10-2 ppm/h), protein formation rate (48.92 mg/h versus 50.08 mg/h).

Author (s) Details

Beni Hidayat

Agricultural Technology Department, Politeknik Negeri Lampung, 10 Soekarno-Hatta Street, Bandar Lampung 35144, Indonesia and Doctorate Program, Agriculture Science, University of Lampung, Lampung, Indonesia.

Udin Hasanudin
Agricultural Product Technology Department, Faculty of Agriculture, University of Lampung, 1 Soemantri Brojonegoro Street, Bandar Lampung 35145, Indonesia.

M. Muslihudin
Agricultural Technology Department, Politeknik Negeri Lampung, 10 Soekarno-Hatta Street, Bandar Lampung 35144, Indonesia.

Syamsu Akmal
Agricultural Technology Department, Politeknik Negeri Lampung, 10 Soekarno-Hatta Street, Bandar Lampung 35144, Indonesia.

Dr. Siti Nurdjanah
Agricultural Product Technology Department, Faculty of Agriculture, University of Lampung, 1 Soemantri Brojonegoro Street, Bandar Lampung 35145, Indonesia.

Neti Yuliana
Agricultural Product Technology Department, Faculty of Agriculture, University of Lampung, 1 Soemantri Brojonegoro Street,Bandar Lampung 35145, Indonesia.

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