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Related Experiment Videos

Growth of Candida utilis in solid state fermentation.

P Christen1, R Auria, C Vega

  • 1ORSTOM, Institut Français de la Recherche Scienifique pour le Développement en Coopération, Cicéron 609, Colonia Los Morales, México DF.

Biotechnology Advances
|January 1, 1993
PubMed
Summary

This study investigated yeast Candida utilis growth on wheat bran, sugarcane bagasse, and Amberlite resin. Candida utilis demonstrated significant growth and sugar consumption across all tested solid substrates.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Yeast Fermentation

Background:

  • * *Candida utilis* is a yeast with industrial applications.
  • * Solid-state fermentation (SSF) offers advantages over submerged fermentation.
  • * Evaluating yeast growth on diverse, cost-effective substrates is crucial for optimizing bioprocesses.

Purpose of the Study:

  • * To assess the growth performance and substrate utilization of *Candida utilis* on different solid media.
  • * To compare the efficacy of wheat bran, sugarcane bagasse, and Amberlite resin as supports for yeast cultivation.
  • * To determine key growth indicators including sugar consumption, carbon dioxide production, and cell proliferation.

Main Methods:

  • * Cultivation of *Candida utilis* on solid substrates (wheat bran, sugarcane bagasse, Amberlite resin) using a liquid culture medium.

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  • * Monitoring of yeast growth through measurements of sugar consumption, carbon dioxide production rate (CDPR), and cell counts.
  • * Analysis of dextrose and other sugar utilization patterns.

    • Main Results:

    • * *Candida utilis* exhibited viable growth on all three tested solid media.
    • * Complete dextrose consumption was achieved on sugarcane bagasse and Amberlite resin.
    • * Partial consumption of sugars was observed on wheat bran, with a 500-fold increase in cell population after 2-3 days.

    Conclusions:

    • * Wheat bran, sugarcane bagasse, and Amberlite resin are suitable solid substrates for *Candida utilis* growth.
    • * Sugarcane bagasse and Amberlite resin supported more complete sugar utilization compared to wheat bran.
    • * *Candida utilis* shows robust growth potential on various low-cost solid supports, indicating its suitability for industrial fermentation applications.