Carbon Position
δ13CNMδppmβ-amyrin, Experimental
δ13CNMRδppmβ-amyrin, Literature [12]
δ13CNMRδppmβ-amyrin, Literature [11]
1
38.8495
38.7
37.3
2
27.2530
27.2
28.28
3
79.0731
79.3
71.85
4
38.7715
38.5
37.30
5
55.2568
55.1
36.81
6
18.3150
18.6
21.12
7
38.6441
32.4
42.35
8
39.5194
39.8
45.90
9
47.9239
47.6
50.18
10
36.7105
36.9
36.55
11
23.5770
23.6
24.33
12
125.9002
121.7
121.70
13
137.9624
145.2
140.81
14
42.0388
41.7
44.36
15
29.3557
26.2
26.13
16
21.1608
26.1
23.11
17
29.6969
32.6
48.48
18
47.5759
47.2
45.89
19
39.0811
46.8
39.82
20
30.6267
31.0
36.49
21
33.0001
34.7
34.00
22
37.0200
37.1
31.71
23
28.0359
28.0
29.3
24
15.5986
15.4
19.84
25
15.4777
15.4
19.10
26
16.9846
16.8
18.90
27
24.2027
25. 9
18.30
28
17.0954
28.4
19.20
29
28.1492
33.8
36.18
30
23.3098
23.7
19.42
Table 4:
Comparison of
13
C NMR spectrum data of β-amyrin Obtained from the Aerial parts of
M. barteri
with literature