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Table 3 The free radical scavenging capacity percentage in gardenia calli cultures cultured on MS media contained different concentrations of phenyl alanine or salicylic acid during the three harvested periods of culturing

From: Rutin accumulation in gardenia calli cultures as a response to phenyl alanine and salicylic acid

Treatments The free radical scavenging capacity %
First harvest (after 2 weeks of culturing) Second harvest (after 4 weeks of culturing) Third harvest (after 5 weeks of culturing)
Control 51.72 ± 0.57 23.18 ± 1.77 13.21 ± 1.52
2 mg/l phenylalanine 37.35 ± 0.57 44.06 ± 1.19 92.91 ± 0.87
3 mg/l phenylalanine 48.85 ± 0.57 45.59 ± 2.39 34.67 ± 1.84
4 mg/l phenylalanine 34.09 ± 0.87 31.80 ± 0.87 82.56 ± 1.19
5 mg/l phenylalanine 24.52 ± 1.44 48.85 ± 1.14 49.42 ± 1.72
0.25 mM salicylic acid (34.5 mg/l) 41.95 ± 1.14 36.78 ± 0.57 78.92 ± 0.87
0.5 mM salicylic acid (69 mg/l) 69.73 ± 0.87 40.99 ± 1.44 54.98 ± 1.75
0.75 mM salicylic acid (103.5 mg/l) 33.52 ± 1.75 30.07 ± 1.75 35.82 ± 1.44
1 mM salicylic acid (138 mg/l) 71.83 ± 0.57 10.72 ± 1.44 55.93 ± 2.01
  1. Data represents means ± SD