Fig. 10
From: Chromium (VI) – induced stress response in the plant Plantago ovata Forsk in vitro
Total polyphenol content in 10 day-old P. ovata under Cr (VI) stress. The data are represented as mean ± standard error of mean (SEM) (n = 5). Asterisks denote the level of significance; *p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001