Gastrointestinal Motility and Improvement Efficacy of Shenhuang Plaster Application on Shenque: Identification, Evaluation, and Mechanism

Table 2

Peak assignments of specific ingredients in SHP via UPLC-MS/MS.

PK. No.	Rt (min)	Elemental composition			Adduct	Identification	Indicate herb
			Measured value	Theoretical value
1	4.90	C19H20O3	314.1748	296.1412	NH4	Tanshinone II B	Danshen (Salviae Miltiorrhizae Radix Et Rhizoma)
2	7.26	C15H10O5	271.0597	270.0528	H	Emodin	Dahuang (Rhei Radix Et Rhizoma)
3	7.63	C28H34O15	611.2066	611.1976	H	Hesperiden	Zhishi (Aurantii Fructus Immaturus)
4	8.07	C42H72O14	823.4794	800.4922	Na, H, K	Ginsenoside Rg1	Renshen (Ginseng Radix Et Rhizoma)
5	9.06	C15H10O5	271.0600	270.0582	H	Aloe-Emodin	Dahuang (Rhei Radix Et Rhizoma)
6	10.78	C19H20O3	297.1481	296.1412	H	Isocryptotanshinone	Danshen (Salviae Miltiorrhizae Radix Et Rhizoma)
7	11.33	C48H82O18	969.5390	946.5501	Na, H, NH4	Ginsenoside Rd	Renshen(Ginseng Radix Et Rhizoma)
8	13.20	C19H17N3O	304.1439	303.1372	Na, H	Evodiamine	Wuzhuyu (Euodiae Fructus)
9	13.60	C11H14O4	211.0964	210.0892	H	2,4,6-Methoxyacetophenone	Dingxiang (Caryophylli Flos)
10	15.86	C18H18O2	267.1376	266.1307	H	Magnolol	Houpo (Magnoliae Officinalis Cortex)
11	16.47	C15H10O4	255.0651	254.0579	H	Chrysophanol	Dahuang (Rhei Radix Et Rhizoma)
12	18.29	C9H13NO	174.0888	151.0997	Na	4-(2-(Methylamino)ethyl)phenol	Zhishi (Aurantii Fructus Immaturus)