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Ginsenoside-Ra2

Reference work entry

CAS Registry Number: 83459-42-1 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 20(S)-Protopanaxadiol

Biological source: Panax ginseng [1]

C58H98O26: 1210.634

[α]D25−2.4° (c 1.0, MeOH) [1]

13 C NMR (25.15 MHz, C 5D 5N): [ 1]

Table 1

C-1

39.1

C-16

26.6

Glc-1

105.0

Glc″-4

71.6

2

26.6

17

51.3

2

83.1

5

76.9

3

89.0

18

16.2

3

77.3

6

68.2

4

39.6

19

16.0

4

71.6

Ara-1

108.0

5

56.4

20

83.4

5

78.0

2

90.6

6

18.4

21

22.3

6

62.7

3

79.1

7

35.1

22

36.0

Glc′-1

105.7

4

85.3

8

39.9

23

23.0

2

76.9

5

62.7

9

50.2

24

126.0

3

79.1

Xyl-1

104.3

10

36.8

25

131.0

4

71.6

2

74.8

11

30.7

26

25.7

5

78.0

3

78.0

12

70.3

27

17.9

6

62.7

4

70.9

13

49.2

28

28.0

Glc″-1

98.0

5

67.2

14

51.3

29

16.5

2

74.8

   

15

30.7

30

17.3

3

78.0

   

References

  1. 1.
    H. Besso, R. Kasai, Y. Saruwatari, T. Fuwa, O. Tanaka, Chem. Pharm. Bull. 30(7), 2380 (1982)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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