Water-soluble macromolecular dextran transparent
High-density heterotrophic fermentation of microalgae refers to the process of rapid growth and reproduction of microalgae in heterotrophic mode by controlling environmental conditions. The heterotrophic model means that these microalgae mainly rely on organic materials (such as sugars, fatty acids, etc.) as a source of energy, rather than directly from sunlight through photosynthesis.
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High-density heterotrophic fermentation of microalgae is an efficient biotechnological process, mainly used to produce high-value biological products. In this process, organic acids play an important role.
Introduction of high density heterotrophic fermentation of 1. microalgae
High-density heterotrophic fermentation of microalgae refers to the process of rapid growth and reproduction of microalgae in heterotrophic mode by controlling environmental conditions. The heterotrophic model means that these microalgae mainly rely on organic materials (such as sugars, fatty acids, etc.) as a source of energy, rather than directly from sunlight through photosynthesis.
The Role of 2. Organic Acids in High Density Heterotrophic Fermentation of Microalgae
In the process of high-density heterotrophic fermentation of microalgae, organic acids, as important intermediate metabolites, have the following effects:
1. Provide energy: Microalgae obtain energy by breaking down organic acids to support their growth and reproduction.
2. Adjust pH: Organic acids help to maintain the acid-base balance during fermentation and create a suitable growth environment for microalgae.
3. Participate in the synthesis of biological macromolecules: organic acids participate in the synthesis of proteins, nucleic acids and other biological macromolecules in microalgae.
Effects of 3. Organic Acids and Optimization Strategies
In the process of high-density heterotrophic fermentation of microalgae, the type and concentration of organic acids will affect the growth rate and product quality of microalgae. In order to optimize the fermentation process, researchers usually adopt the following strategies:
1. Control the fermentation conditions: by adjusting the temperature, pH, dissolved oxygen and other parameters to optimize the production and utilization of organic acids.
2. Selection of additives: add appropriate nutrients (such as trace elements, growth factors, etc.) to improve the utilization efficiency of organic acids by microalgae.
3. genetic improvement: genetic engineering technology to improve the genetic characteristics of microalgae, improve its tolerance and production efficiency.
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