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Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
The extraction of polysaccharide from lycium barbarum was optimized to maximize polysaccharide yield Y in this study. A central composite design of response surface methodology involving extracting temperature, extracting time and liquid-solid ratio was used, and second-order model for Y was employed to generate the response surfaces. The optimum condition for Y was determined as follows: extracting temperature 100°C, extracting time 2.13h and liquid-solid ratio 10. Under the optimum condition, the polysaccharide yield was 9.22%.