Recently, the team of professor Li Yuanguang of the State Key Laboratory of Bioreactor Engineering of East China University of Science and Technology has made new breakthroughs in the application and industrialization of Haematococcus pluvialis. The relevant research results are based on Sino-U.S. joint training of doctoral student Zhang Zhen. The author, published online on Biotechnology and Bioengineering, a renowned journal in the field of bioengineering.
Microalgae, as a kind of single-celled photosynthetic organism, has the characteristics of high light energy utilization rate, fast growth rate, high bioactive components, and high energy substance content. In the large health industry, carbon emission reduction, new energy and N/P-rich wastewater resources There are broad prospects for applications such as utilization. Haematococcus pluvialis is an industrialized algae widely used as food, and it was approved as a new resource food by China in 2012. How to effectively cultivate microalgae and make it large-scale application has become the target conquered by the majority of researchers.
Natural astaxanthin is the most active antioxidant found by humans so far, and its market prospect is extremely broad. Prof. Li Yuanguang's team created a new platform technology for “heterotrophic-dilution-light-induced tandem culture†in the field of microalgae cultivation both at home and abroad, and successfully applied it to the large-scale cultivation of Chlorella and utilized the screened A Haematococcus pluvialis high-yield astaxanthin was used for industrial research to produce natural astaxanthin. At the same time, the team's researchers conducted a study on the physiological and biochemical mechanisms of efficient light-induced astaxanthin production by heterotrophically cultured Haematococcus pluvialis, and systematically compared differences between heterotrophic cultures and traditional photoautotrophic cultured cells, and presented creatively. Light adaptation and other means of regulation and control have brought into full play the advantages of this new technology and laid a solid foundation for the achievement from the laboratory to large-scale production. The related research results of the previous period have published a series of articles in magazines such as Bioresource technology, and applied for patents from the United States, the European Union, Australia, Brazil, and India.
According to reports, the technology has undergone five years of continuous R&D and large-scale experimentation. It settled in Yunnan Province, a region with unique climatic conditions, in 2015. It has received strong support from the local government and the Provincial Department of Science and Technology. It has now entered the scale of production, making it rain. The cultivation of Haematococcus pluvialis has gradually shifted from the traditional facility agriculture mode to the industrial mode, and the efficiency has been greatly improved. It is expected that the traditional Haematococcus pluvialis autotrophic culture mode will be completely replaced. Yunnan Science and Technology Institute, Diqing Prefecture People's Government and East China University of Science and Technology are jointly building the Yunnan Microalgae Bioengineering Technology Research Center based on this technology, and actively promote the construction of microalgae industrial park in Diqing Shangri-La Economic Development Zone, Yunnan. (China Youth Daily, China Youth Online reporter Zhou Kai)
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