Research Article
Betaine Modulates Rumen Archaeal Community and Functioning during Heat and Osmotic Stress Conditions In Vitro
Table 1
Stoichiometric production and utilization of metabolic [2H] during synthesis of major end products of fermentation.
| | End product | Stoichiometry equation | [2H] balance |
| | Acetate (CH3COOH) | C6H12O6+2H2O1 ⟶ 2CH3COOH+4[2H]+2CO2 | +2 | | Propionate (CH3CH2COOH) | C6H12O6+2[2H] ⟶ 2CH3CH2COOH+2H2O | -1 | | Butyrate (CH3(CH2)2COOH) | C6H12O6 ⟶ CH3(CH2)2COOH+2[2H]+2CO2 | +2 | | Valerate (CH3(CH2)3COOH) | C6H12O6 +[2H] ⟶ CH3(CH2)3COOH+CO2+2H2O | -1 | | Caproatea (CH3(CH2)4COOH) | C6H12O6+4[2H] ⟶ CH3(CH2)4COOH+4H2O | -4 | | Caproateb (CH3(CH2)4COOH) | 3C6H12O6 ⟶ 2CH3(CH2)4COOH+4[2H]+2H2O+6CO2 | +2 | | Methane (CH4) | CO2+4[2H] ⟶ CH4+2H2O | -4 |
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aPropanyl-CoA as intermediate. bAcetyl-CoA as intermediate. Moles [2H] utilized or produced per mole of the fermentation end product. |
