Table 2. Product distribution according to oxidation type: Electroenzymatic (EG CC), CO and electro oxidation (EG AC).

Oxidation
type

H₂O₂
Electrogeneration

Approximated
stoichiometric ratio
Limonene/H₂O₂

Observed products/proportion

Aeration mode

Electrode used

mV_SCE

mmol•L^-1

mmol•L^-1

EG AC

Continuous

CW

-620

-

-

(S)-Carveol

EG CC

Continuous

CW

-620

1.2

1:1.2

(S)-Carveol + (S)-Carvone (3:1)

CO

Continuous

CW

-620

1.2

1:1.2

(S)-Carveol

EG AC

Continuous

RVCE

-620

-

-

(S)-Carveol

EG CC

Continuous

RVCE

-620

0.35

3:1

(S)-Carveol

CO

Continuous

RVCE

-620

0.35

3:1

N.D.

EG AC

Discontonuous

CW

-620

-

-

(S)-Carveol

EG CC

Discontonuous

CW

-620

0.77

1.5:1

(S)-Carveol + (S)-Carvone (1:1)

CO

Discontonuous

CW

-620

0.77

1.5:1

(S)-Carveol

EG AC

Discontonuous

RVCE

-620

-

-

(S)-Carveol

EG CC

Discontonuous

RVCE

-620

0.25

4:1

(S)-Carveol

CO

Discontonuous

RVCE

-620

0.25

4:1

N.D.