2.11. Statistical analysis
Statistical analysis was performed using STATISTICA 10 (StatSoft,Inc.,
Tulsa, OK, USA). The Tukey HSD test was used for the
determination of homogeneous groups at a significance level of
a ¼ 0.05. The results presented are the arithmetic mean of three
independent replicates ± standard deviation. Color measurement
was carried out with 5 replications.