The Utilization of Heterotrophic Cultivation for Large Scale Production of Euglena gracilis
2023 Volume 23 Issue 2 Pages 65-72
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2023 Volume 23 Issue 2 Pages 65-72
In various industries, practical utilizations of many microalgae are investigated recently. Many problems are recognized for a practical realization of microalgal industry, such as, a choice of cultivation method, autotroph or heterotroph, an effect of sunlight cycle on algal growth, a balance between cell density and efficacy of photosynthesis, an effects of carbon concentration on the growth, a shape and function of culture tank, practical use of extraction residue, molecular breeding and sterilization of the strains.
Euglena has unique properties for the cultivation among various microalgae. Euglena can grow autotrophically, heterotrophically, or photoheterotrophically. Although each cultivation method has some merit and demerit, the authors focused on the heterotrophy cultivation, Euglena is industrially cultivated in large scale tanks in the dark.
