Table 2.

Inhibition of CH4 oxidation byMethylosinus trichosporium OB3b (OD600, 0.06) with selected monoterpenes (concentration, 1.8 mM)

ExptCompound addeda% Inhibition of CH4oxidationb
A(−)-α-Pinene96 ± 5
α-Pinene oxide−3 ± 0.1
(−)-β-Pinene41 ± 4
(R)-(+)-Limonene84 ± 22
(S)-(−)-Limonene93 ± 16
(+)-Limonene oxide29 ± 7
α-Terpinene25 ± 6
γ-Terpinene82 ± 10
B(−)-α-Pinene89 ± 5
β-Myrcene7 ± 1
(±)-Linalool68 ± 3
α-Terpineol48 ± 3
  • a The amounts used in experiments A and B were 81.1 and 44.6 μmol flask−1, respectively.

  • b Based on CO2 production over 1.8 days and compared to a control to which no monoterpene was added. The values are means ± standard errors of the means determined from duplicate experiments.