Table 1 1H and 13C-NMR data of daidzein and protodaidzeone

From: Anti-inflammatory effects of green soybean extract irradiated with visible light

  

*Daidzein

Protodaidzeone

Part (ring)

Position

δC

δH

δC

δH

C

2

152.78

8.29

154.61

8.36

C

3

122.52

 

121.89

 

C

4

174.66

 

173.44

 

A

5

127.26

7.97

126.57

7.79

A

6

114.90

6.94

115.52

6.89

A

7

162.46

 

163.20

 

A

8

102.06

6.86

102.04

6.83

A, C

9

157.40

 

157.52

 

A, C

10

116.61

 

116.01

 

B

1′

123.46

 

66.37

 

B

2′

130.04

7.39

149.67

6.77

B

3′

115.01

6.81

127.29

6.13

B

4′

157.12

 

185.54

 

B

5′

115.01

6.81

127.29

6.13

B

6′

130.04

7.39

149.67

6.77

A

7-OH

 

10.76

  

B

1′-OH

   

6.50

B

4′-OH

 

9.52

  
  1. *The NMR data of daidzein in pyridine-d5 are from the actual measurements.
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