Table 1.  Assignment of 13C-NMR of triterpenes from reishi (ppm of tetramethlysilane in CDCl3 ).

Position number of carbon

Compound A(I)

Compound B(II)

Compound C(III)

Methylester of ganoderic acid Y(V)

1

35.6

36.0

36.6

35.8

2

34.3

27.9

34.8

28.2

3

217.3

78.9

216.8

79.0

4

46.8

38.7

47.5

38.5

5

48.9

49.1

50.7

49.2

6

28.9

23.0

23.7

23.0

7

68.8

120.2

119.9

120.1

8

159.4

142.6

142.9

142.7

9

140.3

145.9

144.5

145.9

10

38.1

37.4

37.2

37.4

11

199.2

116.2

117.3

116.3

12

51.7

37.9

37.9

37.9

13

46.7

43.8

43.8

43.8

14

54.0

50.3

50.3

50.4

15

72.3

27.9

27.9

28.1

16

35.9

31.5

31.5

31.6

17

48.0

51.0

50.9

51.1

18

17.3

15.7

15.7

15.7

19

19.6

22.8

22.5

22.8

20

32.7

36.1

35.9

36.5

21

19.8

18.1

18.4

18.6

22

49.7

35.8

36.0

34.8

23

209.1

24.6

24.5

25.7

24

46.6

127.0

126.8

143.0

25

34.7

127.4

134.4

127.4

26

179.4

69.0

69.0

168.8

27

17.0

13.6

13.6

12.4

28

19.4

25.6

25.4

25.6

29

27.4

28.1

25.4

27.9

30

20.8

15.8

22.0

15.8