Selected reports of exogenous terpenoid toxicity to E. coli under typical production conditions^a.

Terpenoids and derivatives	Minimum concentration that causes growth reduction but not complete inhibition (g L−1)	MIC (>indicates that total inhibition was not reached at that concentration) (g L−1)	T (°C)	Scale (mL)	Reference
Hemiterpenoids
Isoprenol	1.5	2.4	37	∼1?	274
Monoterpenoids
α−Pinene	4.29	>42.9	37	0.8	275
α−Pinene	0.429	1.28	37	5	281
1,8-Cineole			37	0.1	321
Geraniol	1.78	8.89	30	5	273
Geraniol	0.222	0.444	37	0.8	275
Geraniol	0.075	0.300	37	1	163
-Geranyl acetate	4.58	>45.8	37	0.8	275
-Geranyl acetate	0.5		37	1	163
Myrcene	>7.94	>7.94	30	5	273
Sabinene	1	>5	31	50	161
Linalool		1	37	0.2	159
Limonene	1.05	42.05	30	0.1?	264
Limonene	>25.23	>25.23	30	0.15	263
Limonene	3.36	8.41	37	5	281
Limonene	0.05	0.21	37	0.8	275
-Perillyl alcohol		4.79	30	0.15	263
Sesquiterpenoids
α−Bisabolene	>180	>180	37	1	322
Bisabolol	>27.6	>27.6	30	0.15	263
(−)-α−Bisabolol	5	>5			309
γ-Bisabolene	>27	>27	30	0.15	263
Farnesol	>26.61	>26.61	30	0.15	263
α−Farnesene	>24.39	>24.39	30	0.15	263
Diterpenoids
Cis-Abienol	>2	>2	37	10	183
Cembratriene-ol	>2	>2	37	2	45
Sclareol	>2	>2	37	10	185

^aWhere concentrations were expressed as “%”, “% v/v” was assumed for liquid terpenoids and g L⁻¹ were calculated using density.