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Ginsenoside-Re

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

Biological source: Panax ginseng [1, 2], P. pseudoginseng subsp. himalaicus [3], P. quinquefolium [4, 5], Panax pseudoginseng var. elegantior [6], P. vietnamensis [7]

C48H82O18: 946.550

Mp: 203–205°C [1]

[α]D15−4.5° (c 1.28, MeOH) [1]

IR (KBr) νmax cm−1: 3380, 1620 [1]

1H NMR (J/Hz, C5D5N): anomeric protons- 4.40 (d, J = 7.0), 4.60 (d, J = 7.0), 5.31 (brs) [1]

13 C NMR (25 MHz, C 5D 5N): [ 6]

Table 1

C-1

39.6

C-16

26.6

Glc-1

101.8

Glc′-1

98.2

2

27.6

17

51.6

2

79.1

2

75.0

3

78.1

18

17.5

3

78.1

3

79.1

4

39.9

19

17.5

4

72.5

4

71.5

5

60.8

20

83.2

5

78.1

5

78.1

6

74.5

21

22.3

6

63.0

6

62.8

7

45.9

22

36.0

Rha-1

101.8

   

8

41.1

23

23.2

2

72.3

   

9

49.5

24

125.9

3

72.3

   

10

39.6

25

130.8

4

74.0

   

11

30.7

26

25.7

5

69.4

   

12

70.1

27

17.7

6

18.7

   

13

49.0

28

32.1

       

14

51.4

29

17.2

       

15

30.7

30

17.2

       

References

  1. 1.
    S. Sanada, N. Kondo, J. Shoji, O. Tanaka, S. Shibata, Chem. Pharm. Bull. 22(10), 2407 (1974)CrossRefGoogle Scholar
  2. 2.
    S. Yahara. O. Tanaka, T. Komori, Chem. Pharm. Bull. 24(9), 2204 (1976)Google Scholar
  3. 3.
    O. Tanaka, S. Yahara, Phytochemistry 17(8), 1353 (1978)CrossRefGoogle Scholar
  4. 4.
    S.E. Chen, E.J. Staba, S. Taniyasu, R. Kasai, O. Tanaka, Planta Med. 42(8), 406 (1981)CrossRefGoogle Scholar
  5. 5.
    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
  6. 6.
    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
  7. 7.
    N.M. Duc, N.T. Nham, R. Kasai, A. Ito, K. Yamasaki, O. Tanaka, Chem. Pharm. Bull. 41(11), 2010 (1993)CrossRefGoogle Scholar

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