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Gynosaponin TN-1

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Dammarane Type – 2α-Hydroxy-20(S)-protopanaxadiol

Biological source: Gynostemma pentaphyllum [1]

C36H62O9: 638.439

Mp: 168–173°C (EtOH-H2O 1:1) [1]

[α]D + 34.5° (c 0.9, MeOH) [1]

IR (KBr) νmax cm−1: 3380, 1035 [1]

13 C NMR (100 MHz, C 5D 5N): [ 1]

Table 1

C-4

39.8

Glc-1

98.0

8

40.0

2

74.8

10

38.4

3

79.0

17

51.5

4

71.4

20

83.1

5

77.9

21

22.2

6

62.7

22

36.2

   

24

125.8

   

25

130.7

   

References

  1. 1.
    M. Nagai, K. Izawa, S. Nagumo, N. Sakurai, T. Inoue, Chem. Pharm. Bull. 29(3), 779 (1981)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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