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Table 3 The effect of plant growth regulators on total phenolic (TPC), Total flavonoid (TFC), and anthocyanin (AC) content in the callus cultures of M. azedarach L.

From: Sterilization protocols and the effect of plant growth regulators on callus induction and secondary metabolites production in in vitro cultures Melia azedarach L.

Concentration of PGRs (mg/L)

TPC (mg GAE/g FW)

TFC (mg QE/g FW)

AC (μm/g FW)

1 NAA  + 1 KIN

0.010 ± 0.005fg

82.805 ± 4.545b−g

1.650 ± 0.170bcd

1 NAA  + 1 BAP

0.021 ± 0.006d−h

80.402 ± 11.385b−g

1.508 ± 0.302bcd

1 2,4-D  + 1 KIN

0.027 ± 0.009d−g

67.522 ± 4.774efg

1.647 ± 0.042bcd

1 2,4-D  + 1 BAP

0.030 ± 0.006d−g

68.868 ± 5.132d−g

1.111 ± 0.208cd

3 NAA  + 1 KIN

0.026 ± 0.007d−g

66.465 ± 10.599fg

1.084 ± 0.116cd

3 NAA  + 1 BAP

0.051 ± 0.002cd

102.509 ± 13.155b−e

1.623 ± 0.563bcd

3 NAA  + 3 KIN

0.066 ± 0.011bc

101.644 ± 17.790b−g

1.946 ± 0.481abc

3 NAA  + 3 BAP

0.022 ± 0.010d−g

101.836 ± 14.609b−e

0.152 ± 0.077e

3 2,4-D  + 1 KIN

0.094 ± 0.007ab

107.507 ± 9.145bc

2.458 ± 0.281ab

3 2,4-D  + 1 BAP

0.043 ± 0.002c−f

100.202 ± 2.888b−f

2.707 ± 0.386a

3 2,4-D  + 3 KIN

0.090 ± 0.001ab

109.237 ± 6.528b

2.667 ± 0.545a

3 2,4-D  + 3 BAP

0.109 ± 0.007a

193.051 ± 16.732a

2.455 ± 0.293ab

5 NAA  + 1 KIN

0.013 ± 0.007efg

58.583 ± 13.115g

1.525 ± 0.417bcd

5 NAA  + 1 BAP

0.012 ± 0.006fg

68.291 ± 9.497d−g

1.6061 ± 0.102bcd

5 NAA  + 5 KIN

0.001 ± 0.014g

73.385 ± 13.732c−g

1.448 ± 0.288cd

5 NAA  + 5 BAP

0.017 ± 0.012efg

69.829 ± 10.656d−g

1.216 ± 0.218cd

5 2,4-D  + 1 KIN

0.046 ± 0.009cde

100.875 ± 2.217b−f

1.865 ± 0.084abc

5 2,4-D  + 1 BAP

0.041 ± 0.016c−f

103.278 ± 0.254bcd

1.872 ± 0.148abc

5 2,4-D  + 5 KIN

0.022 ± 0.019d−g

64.639 ± 11.731g

0.673 ± 0.139de

5 2,4-D  + 5 BAP

0.017 ± 0.008efg

70.406 ± 2.141d−g

0.741 ± 0.255de

  1. In each column, different letters indicate a significant difference (P ≤ 5%) according to Duncan’s Multiple-Range Tests (DMRTs)