Table 3.

Tentatively identified major volatile compounds shown in Fig. 4A

Retention time (min)	Tentatively identified volatile compounds†
9·033	α-Pinene
11·633	β-Pinene
13·375	β-Myrcene
14·542	3-Methyl-1-butanol
14·817	β-Phellandrene
15·950	1-Methyl-4-(1-methylethyl)-1,4- cyclohexadiene
16·092	Ocimene
26·008	[1R-(1R*,4Z,9S*)]-4,11,11-trimethyl-8-methylene- bicyclo[7·2.0]undec-4-ene

^†By comparison with the commercial NIST spectral mass library (NIST 11).