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Table 1 The absorption maxima of plants extract from UV–Vis spectra and the values EF

From: Design of optimal solvent for extraction of bio–active ingredients from six varieties of Medicago sativa

M. sativaflowers

λmax.(nm)

EFaa

EFm

EFw

M. sativa (1)

279

7.68±0.06

221.4±0.03

240.0±0.06

 

320

7.86±0.08

201.4±0.01

280.0±0.03

 

396

2.07±0.02

106.8±0.02

142.6±0.02

 

652

83.08±0.08

43.86±0.01

123.7±0.01

M. sativa (2)

279

82.84±0.08

41.18±0.06

81.71±0.01

 

320

87.06±0.02

42.86±0.06

73.31±0.02

 

396

82.19±0.03

41.21±0.01

66.03±0.01

 

652

72.11±0.01

223.3±0.04

242.0±0.06

M. sativa (3)

279

67.78±0.06

103.6±0.01

238.0±0.01

 

320

48.84±0.06

72.86±0.00

218.0±0.03

 

396

13.14±0.01

42.86±0.08

62.0±0.03

 

652

12.11±0.02

32.16±0.01

8.81±0.02

M. sativa (4)

279

67.81±0.01

127.8±0.02

222.0±0.06

 

320

52.42±0.01

121.1±0.05

218.0±0.08

 

396

33.88±0.03

117.1±0.02

142.0±0.02

 

652

18.03±0.01

82.68±0.08

108.0±0.01

M. sativa (5)

279

28.76±0.06

37.88±0.08

142.0±0.08

 

320

26.13±0.01

38.26±0.07

97.0±0.01

 

396

18.76±0.02

78.01±0.08

72.0±0.04

 

652

13.16±0.09

19.13±0.02

53.1±0.02

M. sativa (6)

279

31.82±0.06

26.81±0.08

102.0±0.03

 

320

28.84±0.01

24.86±0.06

68.4±0.0„

 

396

22.23±0.20

22.38±0.04

52.27±0.00

 

652

12.35±0.01

11.31±0.03

22.68±0.04

TPC (mg GAE/g extract) ± SD

197.9±0.03

263.5±1.02

167.3±3.02

IC50 mg/mL

0.079±0.00064

0.924±0.01188

0.154±0.00129

  1. Values (mean ± SD) are average of three samples of each M.sativa material, analyzed individually in triplicate (n=1x3x3); Values extraction factors(EF)=mean of three values calculated (X±SD).