LC-ESI-MS/MS Phenolic Profile of Volutaria lippii (L.) Cass. Extracts and Evaluation of Their In Vitro Antioxidant, Antiacetylcholinesterase, Antidiabetic, and Antibacterial Activities
Table 5
Qualitative and quantitative phytochemical analyses of ethyl acetate and aqueous extracts of V. lippii.
Peak
(min)
(nm)
[M-H]- (m/z)
Main fragment ions MS2 ()
Molecular formula
Tentative identification
Content (μg/g of Dried material)
Ethyl acetate extract
Aqueous extract
1
6.21
321
191
173, 135
Quinic acid
1265.104
7697.052
2
7.86
280, 216
169
125
Gallic acid
89.940
-
3
11.21
294
153
109
Protocatechuic acid
136.743
89.051
4
16.93
324, 218
353
191, 179
Chlorogenic acid
5868.611
11721.583
5
21.22
332, 270
179
161, 135, 143
Caffeic acid
57.846
55.191
6
23.77
280, 210
197
182, 167, 153,138
Syringic acid
106.743
-
7
26.03
325
515
353, 191, 173
1,3-di-O-caffeoylquinic acid
318.634
-
8
42.30
332, 234
193
178, 149, 134
Trans ferulic acid
61.567
55.684
9
59.01
355, 254
609
463, 301, 271
Rutin
38.684
41.863
10
61.03
338, 270
447
285
Luteolin-7-O-glucoside
115.247
198.499
11
63.49
324
515
353, 191, 173
3,4-di-O-caffeoylquinic acid
9849.464
1504.628
12
67.22
353, 256
447
301
Quercetrin
53.336
83.025
13
68.63
334, 217
431
269
Apigenin-7-O-glucoside
7.350
10.695
14
70.36
323
515
353, 191, 179, 173
4,5-di-O-caffeoylquinic acid
149.012
101.494
15
80.84
365, 264
285
269, 179
Kaempferol
56.397
102.209
16
89.16
334, 268
269
179, 151, 119
Apigenin
2.408
15.739
17
99.73
340, 270
343
297, 255, 241
Cirsilineol
2.255
0.760
18
102.51
332, 269
283
240, 151, 131
Acacetin
10.893
7.895
10,893
7697,052
Identity confirmed by standards; (-): absence in extract.
