Enthalpies of Combustion and Formation of Histidine Stereoisomers

Table 4

Thermogravimetric data of isomeric histidines (10°C min⁻¹).

Isomers histidines	Δm (%)/Δt (°C)	Δm (%)/Δt (°C)	Δm (%)/Δt (°C)	Δm (%)/(600°C)
L-histidine	−17.98/244.1–300.1	−21.6/301.3–403.5	−11.36/402.5–594.1	−52.37
D-histidine	−18.82/246.6–301.6	−21.17/301.6–402.0	−10.63/402.0–594.2	−48.76
DL-histidine	−17.53/241.0–298.6	−21.79/298.6–400.0	−10.97/400.0–595.0	−48.96