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Optimization of antioxidant and skin-whitening materials production from Tenebrio molitor (mealworm) using response surface methodology
Tyrosinase is a key enzyme in animal melanogenic pathway that is the rate-limiting step for the production of melanin. Several synthetic and naturally occurring tyrosinase inhibitors have been studied for skin whitening, the development of natural agents is becoming more important due to the disadvantages of synthetics such as high cytotoxicity, insufficient penetration power, and low activity. The purpose of this study was to evaluate the polyphenols, antioxidant and tyrosinase inhibition activity of mealworm (Tenebrio molitor) extract and optimization of extraction condition using statically-based optimization. The results showed that extraction temperature of 92.0°C, extraction time of 36.7 min, and ethanol concentration of 79.5% provided the maximum levels of compounds of 5.69 mg GAE/g DW, tyrosinase inhibition of 78.8%, and radical scavenging activity of 100.8 μg/ml in the validation experiment.
