Kudzusaponin C1

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – Kudzusapogenol C

Biological source: Pueraria lobata [1]

C54H88O23: 1104.571

[α]D25 −8.0° (c 0.73, C5H5N:H2O, 1:1) [1]

HR-FAB-MSm/z: 1127.5614 [1]

FAB-MSm/z: 1103 [M-H], 957 [M-H-Rha], 941 [M-H-Glc], 795 [M-H-Rha-Gal or Glc], 633 [M-H-Rha-Gal-Glc], 619 [M-H-Rha-Gal-GlcUA] [1]

FAB-MSm/z: 1127 [M + Na]+, 981 [1127-Rha]+, 965 [1127-Glc]+, 819 [981-Gal or Glc]+, 657 [819-Glc]+ [1]

1H NMR (270 MHz, J/Hz, C5D5N-D2O): 0.68, 0.83, 0.85, 1.12, 1.24, 1.36, 1.43 (s, CH3 × 7), 5.20 (s, H-12)

α-L-Rhap: 6.28 (s, H-1), 1.78 (d, J = 6.2, CH3-6)

β-D-GlcUAp: 4.88 (d, J = 7.8, H-1)

β-D-Galp: 5.79 (d, J = 7.4, H-1) [1]

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

Table 1

C-1

38.5

C-16

28.3

GlcUA-1

105.4

Rha-1

101.7

2

26.6

17

35.1

2

78.7

2

72.4

3

91.1

18

46.8

3

76.4

3

72.4

4

43.8

19

44.9

4

73.8

4

74.4

5

56.0

20

37.1

5

77.7

5

69.4

6

18.4

21

83.7

6

172.3

6

18.9

7

33.0

22

44.9

Gal-1...

References

  1. 1.
    T. Arao, J. Kinjo, T. Nohara, R. Isobe, Chem. Pharm. Bull. 43(7), 1176 (1995)CrossRefGoogle Scholar

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