Abscisic acid is one of the five major plant hormones that have been found in the world. Natural abscisic acid can not only promote fruit ripening, increase yield and quality, but also greatly enhance the plant's ability to withstand cold, drought, and salinity. But the cost of extracting natural abscisic acid directly from plants is extremely high, and the activity of synthetic abscisic acid is low, and the application of abscisic acid in agricultural production has become empty talk. Scholars at home and abroad use microbial fermentation to produce natural abscisic acid, but the output is lower and the cost is higher.
On October 25, from the Science and Technology Department of the Chengdu Institute of Biology, the Chinese Academy of Sciences, it was learned that the researchers of the institute invented a fermentation process that released glucose by releasing inositol to suppress the production of natural abscisic acid, and was authorized by the State Intellectual Property Office for invention patents. This process can artificially regulate the carbon-nitrogen ratio in the fermentation system, improve the utilization rate of the bacteria to other sugars in the culture medium, make the strain produce abscisic acid at a higher substrate conversion rate and product synthesis rate, thereby improving the abscisic acid The output greatly saves energy consumption and raw materials, simplifies the process and reduces production costs.
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