Research Article

Antiaging of Cucurbitane Glycosides from Fruits of Momordica charantia L.

Table 1

1H-NMR (500 MHz) and 13C-NMR (125 MHz) data of compound 1 in pyridine-d5.

PositionCompound 1
δH (J in Hz)δC

1α1.4619.2
1β1.91
2α1.7527.8
2β2.17
3α3.73 (br s)83.9
439.5
586.0
66.18 (dd, 2.0, 9.7)133.6
75.63 (dd, 3.6, 9.7)132.0
8β3.15 (br s)42.7
948.6
10α2.48 (dd, 5.6, 12.7)42.1
11α1.7523.7
11β1.68
12α1.6031.3
12β1.55
1345.8
1448.7
15α1.3134.3
15β1.31
16α1.9428.7
16β1.32
17α1.5051.2
180.91 (s)15.3
194.91 (s)112.8
201.5037.3
210.95 (d, 5.6)19.4
22α1.8340.5
22β2.32
235.76 (m)130.4
246.32 (d, 15.3)135.1
25143.0
26α4.96 (s)115.1
26β5.10 (s)
271.92 (s)19.3
280.83 (s)25.3
291.47 (s)21.7
300.90 (s)20.4
−OCH33.52 (s)58.1
5.52 (d, 7.8)102.8
3.94 (dt, 2.6, 7.6)74.2
4.76 (d, 2.8)72.2
4.23 (td, 2.8, 9.3)69.7
4.50 (m)77.0
α4.43 (m)63.7
β4.57 (m)