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Under what conditions might authoritarian states adapt public policies to social preferences? How could social actors push the window for policy change? How might state–society interactions induce policy change as the practice of authoritarian adaptation? This article utilizes a new database of case evidence and the qualitative comparative analysis method to explore the relationship between state–society interaction and policy change as the practical manifestation of authoritarian adaptation in China. The study presents three approaches to policy change: state–society interactive strategies, policy entrepreneurs and the political opportunity structure. The empirical results reveal three patterns of state–society interaction leading to policy change, while submission is not a viable option for society under state suppression. Media presence may impede policy change, and the diverse functions of social organizations should be related to interactive strategies. In addition, social actors may identify political opportunities through multiround interaction, while the role of joint administration in effecting policy change remains unclear. This study offers a novel understanding of authoritarian adaptation.

To clarify the relationship between neutral lipid content and cordycepin accumulation in Cordyceps militaris, mutants were generated from mixed spores of two C. militaris strains with varying cordycepin-producing capacities. Fifteen stable mutants producing from 0.001 to 2.363 mg/mL cordycepin were finally selected. The relative fluorescence intensities of the 15 mutants, two C. militaris strains and an Aspergillus nidulans strain at different concentrations of lyophilized mycelium powder were then investigated using the Nile red method. The mutant CM1-1-1 with the highest relative fluorescence intensity among the eighteen strains was selected for optimizing the Nile red method. Relative fluorescence intensity was linearly correlated with cordycepin concentration in liquid broth (R(2) = 0.9514) and in lyophilized mycelium powder (R(2) = 0.9378) for the 18 cordycepin-producing strains under identical culture conditions and with cordycepin concentration in liquid broth (R(2) = 0.9727) and in lyophilized mycelium powder (R(2) = 0.9613) for CM1-1-1 under eight different sets of conditions. In addition, the cordycepin content in lyophilized mycelium powder measured by the Nile red method was linearly correlated with that determined by an HPLC method (R(2) = 0.9627). In conclusion, neutral lipids in lipid droplets are required during cordycepin accumulation; these neutral lipids are potential biomarkers of cordycepin biosynthesis.