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Pseudoginsenoside RS1

Reference work entry

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

Biological source: Panax vietnamensis [1], P. pseudoginseng [2]

C50H84O19: 988.560

[α]D15 + 1.6° (c 0.93, MeOH) [2]

13 C NMR (25 MHz, C 5D 5N): [ 2]

Table 1

C-1

39.7

C-16

26.6

Glc-1

101.3

Glc′-1

98.2

2

27.7

17

51.6

2

79.0

2

75.0

3

78.3

18

17.3

3

78.3

3

79.0

4

39.8

19

17.6

4

72.2

4

71.5

5

60.6

20

83.2

5

75.4

5

78.3

6

73.5

21

22.2

6

64.9

6

62.8

7

46.1

22

36.0

Ac

170.6

   

8

41.2

23

23.2

 

20.8

   

9

49.5

24

125.9

Rha-1

101.9

   

10

39.7

25

130.8

2

72.2

   

11

30.8

26

25.7

3

72.2

   

12

70.1

27

17.7

4

74.0

   

13

49.1

28

32.0

5

69.3

   

14

51.4

29

17.3

6

18.6

   

15

30.8

30

17.3

       

References

  1. 1.
    N.M. Duc, N.T. Nham, R. Kasai, A. Ito, K. Yamasaki, O. Tanaka, Chem. Pharm. Bull. 41(11), 2010 (1993)CrossRefGoogle Scholar
  2. 2.
    T. Morita, Y.-C. Kong, P.P.-H. But, K.-H. Ng, T.-T. Yip, R. Kasai, O. Tanaka, Chem. Pharm. Bull. 34(10), 4368 (1986)CrossRefGoogle Scholar

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