Fumigant Compounds from the Essential Oil of Chinese Blumea balsamifera Leaves against the Maize Weevil (Sitophilus zeamais)

Table 3

¹H and ¹³C values (δ (ppm)) of the isolated compounds.

Number	1,8-Cineole		Camphor		Borneol		4-Terpineol		α-Terpineol
	^1H	^13C	^1H	^13C	^1H	^13C	^1H	^13C	^1H	^13C
1	—	72.7	—	220.0	3.15	76.1	—	133.9	—	133.9
2	1.52	37.3	2.14; 1.89	40.4	1.67; 1.42	35.8	5.37	123.3	5.37	123.3
3	1.40	24.2	1.99	34.4	1.42	45.2	2.19; 1.94	40.8	2.04; 1.79	24.1
4	1.74	39.6	1.60; 1.35	28.4	1.52; 1.27	23.6	—	71.7	1.71	46.5
5	1.52; 1.27	24.2	1.84; 1.59	31.5	1.49; 1.24	30.0	1.88; 1.63	30.3	1.74; 1.49	19.1
6	1.65; 1.40	37.3	—	61.6	—	52.7	2.01; 1.91	24.7	2.01; 1.91	31.2
7	1.31	25.4	1.26	15.6	1.16	13.3	1.71	23.1	17.1	23.1
8	—	76.8	—	39.8	—	50.4	1.90	37.6	—	73.3
9	1.26	25.4	1.11	21.8	1.11	19.8	1.01	14.9	1.26	27.7
10	1.26	25.4	1.11	21.8	1.11	19.8	1.01	14.9	1.26	27.7