Quantitative Analysis of Phenolic Acids and Flavonoids in Cuscuta chinensis Lam. by Synchronous Ultrasonic-Assisted Extraction with Response Surface Methodology

Table 1

Mass spectrometric parameters of analytical compounds and internal standards.

No.		Q1	Q3	DP (V)	EP (V)	CE (V)	CXP (V)	Acquisition time (second)	RT (min)
1	Chlorogenic acid	353.1	190.8	−24	−6	−33	−13	100	4.7
2	Cryptochlorogenic acid	353.2	173.0	−33	−5	−22	−2	100	4.96
3	Neochlorogenic acid	353.1	135.1	−24	−9	−46	−2	100	3.29
4	Isochlorogenic acid A	514.9	353.2	−64	−5	−28	−28	100	15.36
5	Isochlorogenic acid B	515.3	353.3	−67	−9	−28	−29	100	14.58
6	Isochlorogenic acid C	515.4	353.2	−51	−5	−21	−29	100	16.16
7	Caffeic acid	178.9	135.1	−33	−7	−23	−1	100	6.95
8	Hyperin	463.1	300.2	−71	−9	−42	−22	100	11.73
9	Isoquercitrin	463.2	300.0	−65	−8	−37	−25	100	12.28
10	Quercetin	301.2	151.2	−67	−8	−30	−2	100	17.25
11	Campherol	285.2	117.3	−80	−8	−56	−1	100	18.18
12	p-Coumaric acid	163.2	118.7	−36	−8	−23	−1	100	10.53
13	Isorhamnetin	315.3	300.2	−65	−10	−35	−25	100	18.34
14	Rutin	609.3	300.2	−28	−5	−46	−25	100	16.57
15	Astragalin	447.1	284.1	−65	5	−41	−22	100	15.29
16	Apigenin	269.2	117.1	−59	−9	−54	−1	100	17.9
IS1	Gallic acid	169.0	124.9	−32	−6	−24	−1	100	2.64
IS2	Catechin	289.1	123.0	−55	−9	−38	−2	100	4.94