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Gypenoside XVII

Reference work entry

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

Biological source: Panax japonicus [1], P. pseudoginseng [2], P. quinquefolium [3], Gynostemma pentaphyllum [4], P. pseudoginseng subsp. himalaicus [5]

C48H82O18: 946.550

[α]D13 + 17.3° (c 1.00, MeOH) [3]

13 C NMR (25.15 MHz, C 5D 5N): [ 3]

Table 1

C-1

39.2

C-16

26.6

Glc-1

106.7

2

26.6

17

51.5

2

75.6

3

88.7

18

16.2

3

79.0

4

39.6

19

16.0

4

71.6

5

56.3

20

83.3

5

78.6

6

18.4

21

22.3

6

62.9

7

35.1

22

36.1

Glc′-1

97.9

8

40.0

23

23.1

2

75.1

9

50.1

24

125.8

3

78.1

10

36.9

25

130.8

4

71.6

11

30.6

26

25.7

5

76.8

12

70.1

27

17.8

6

71.6

13

49.1

28

28.0

Glc″-1

105.1

14

51.3

29

16.7

2

74.6

15

30.6

30

17.5

3

78.1

       

4

71.6

       

5

78.1

       

6

62.7

References

  1. 1.
    T. Morita, O. Tanaka, H. Kohda, Chem. Pharm. Bull. 33(9), 3852 (1985)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
  3. 3.
    H. Besso, R. Kasai, J. Wei, J.-F. Wang, Y-I. Saruwatari, T. Fuwa, O. Tanaka, Chem. Pharm. Bull. 30(12), 4534 (1982)CrossRefGoogle Scholar
  4. 4.
    T. Takemoto, S. Arihara, T. Nakajima, M. Okuhira, Yakugaki Zasshi 103, 1015 (1983) [Chem. Abstr. 100: 82709h (1984)]Google Scholar
  5. 5.
    T. Namba, K. Matsushiga, T. Morita, O. Tanaka, Chem. Pharm. Bull. 34(2), 730 (1986)CrossRefGoogle Scholar

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