Determination of the content of rosmarinic acid by HPLC and analytical comparison of volatile constituents by GC-MS in different parts of Perilla frutescens (L.) Britt

Table 4 Volatile components identified in Perillae Caulis, Perillae Folium and Perillae Fructus

Number	Compound	Relative molecular weight	Relative content (%)
			Perillae Caulis	Perillae Folium	Perillae Fructus
1	β-cymene	134			0.54
2	anisole	148	1.53
3	1-cyclohexane-1-carboxaldehyde	150	4.77	3.38	1.76
4	β-linalool	154		0.15
5	α-terpineol	154	0.73
6	methyl thymyl ether	164			0.49
7	2-methoxy-3-propenyl-phenol	164		0.16
8	2-hexanoylfuran	166	43.54	2.49	12.25
9	α-curcumene	202	0.79
10	β-caryophyllene	204	0.84	10.15	45.47
11	β-farnesene	204	2.04	2.00	9.37
12	1,4,7-cycloundecatriene-1,5,9,9-tetramethyl-zzz	204	1.63	1.29	5.20
13	α-farnesene	204		1.61	3.02
14	α-bergamotene	204			0.71
15	α-copaene	204			0.55
16	β-elemene	204		0.25
17	1,6-cyclodecadiene	204		0.19
18	elixene	204		0.13
19	caryophyllene	204	9.54
20	asarone	208		23.91
21	curlone	218	1.80
22	caryophyllene oxide	220		0.73	1.41
23	spathulenol	220		1.59
24	trans-nerolidol	222		0.48
25	1,2-benzenedicarboxylic acid	278		1.46
26	phthalic acid	278	2.50
27	hexadecanoic acid	284			0.96
28	phytol	296		0.57
Total percentage of all identified peaks area			69.71	50.54	81.73

ISSN: 2661-801X