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Application of Taguchi Method in the Optimization of Antioxidant Activity for Australian Tea Tree

Tea tree is the general term for many species of melaleuca plants. The essential oil or liquid extracted from Australian tea tree can be added to cosmetics and care products. The experimental parameters of solvent extraction are the key factors influencing the antioxidant activity of Australian tea tree. This study used the orthogonal array of the Taguchi method to plan the experiment. The quality data obtained from experiment were analyzed by the factor effects of the Taguchi method to find the significant experimental parameters influencing the antioxidant activity of Australian tea tree, and obtain the optimal experimental parameter combination of solvent extraction for antioxidant activity. Finally, the reliability of the experiment was validated by a confirmation experiment. According to the experimental results, this method was applicable to the optimization problem of the experimental procedure. The optimization can be implemented for objective numerical analysis operation, saving on experimental consumables, time and cost.