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Figure 1
Total garlic extract phenolic content (expressed as mg of GAE per gram of garlic powder) and antioxidant activity (AOX, expressed as mm of TEAC per gram of garlic powder). Values represent means ± standard deviations. Different letters denote significant differences (P<0.05) between CG and PG. GAE – gallic acid equivalent; TEAC – Trolox equivalent antioxidant activity
Figure 2
Total flavonoid and alliin content (expressed as milligrams of quercetin and alliin per gram of garlic powder, respectively). Values represent means ± standard deviations. Different letters denote significant differences (P<0.05) between CG and PG
Figure 3
Hepatoma cell viability according to the WST-8 colorimetric assay. Data are expressed as a percentage of absorbance with respect to negative control as a starting point (100 %). Values represent means ± standard deviations. Values marked with the same letters are not significantly different, whereas values marked with different letters are significantly different. # indicates significant difference from negative control and * from positive (H2O2) control (P<0.05)
Figure 4
GSH levels determined with the MBCI fluorescent probe. Data are expressed as a percentage of fluorescence of negative control as a starting point (100 %). Values represent means ± standard deviations. Values marked with the same letters are not significantly different, whereas values marked with different letters are significantly different. # indicates significant difference from negative control and * from positive (H2O2) control (P<0.05)
Figure 5
Intracellular ROS levels determined with the DCFH-DA fluorescent probe. Data are expressed as a percentage of fluorescence of negative control as a starting point (100 %). Values represent means ± standard deviations. Values marked with the same letters are not significantly different, whereas values marked with different letters are significantly different. # indicates significant difference from negative control and * from positive (H2O2) control (P<0.05)
Differences in yield and overall alliin content between conventional growing and in vitro propagation