All chemical and biochemical values are reported on a dry
weight basis and represent the means of replicate samples (±SE).
Normality and homogeneity of variances were checked with the
Shapiro–Wilk and the Bartlett’s tests, respectively. Analysis of variance
was performed by ANOVA and significance evaluated for
P < 0.05. Mean values were compared by Tukey’s test (P < 0.05)
and significant differences are indicated on the figures and tables
with letters. Calculations were performed with the statistical software
Graphpad Prism 3.05 (San Diego, CA, USA).