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Table 4 Orthogonal test factors and level tables

From: Dynamic changes of secondary metabolites and tyrosinase activity of Malus pumila flowers

Level Factor
A Solid–liquid ratio (times) B Ultrasound time (min) C Centrifugal speed (r/min)
1 1:120 10 6000
2 1:100 20 8000
3 1:80 30 10,000