Research Article

Development and Validation of a HPLC-UV Method for the Evaluation of Ellagic Acid in Liquid Extracts of Eugenia uniflora L. (Myrtaceae) Leaves and Its Ultrasound-Assisted Extraction Optimization

Table 3

Summary of the effects of factors and their significance (value).

Factor valueEffect

−0.00735
0.001704
−0.00355
0.656810.000254
0.00945
−0.000596
0.00305
0.463396−0.00085
−0.00605

= ethanol; = temperature; = extraction time; ; .