Table 4.

pH Dependence of the action of Sinapis alba myrosinase on the rate constant for observed ITC formation ([Gluc]₀ = 250 μM, 37 °C).

pH	Δ[8]obsΔt−1[Myr]−1(min−1)				Δ[9]obsΔt−1[Myr]−1(min−1)
	220 nm	227 nm	235 nm	241 nm	227 nm	235 nm	241 nm
2.0	0.00	0.00	0.00	0.00	0.00	0.00	0.00
3.0	0.08	0.09	0.09	0.08	0.40	0.41	0.39
4.0	0.32	0.31	0.33	0.33	1.07	1.09	1.09
5.0	0.34	0.34	0.35	0.35	1.29	1.31	1.31
6.0	0.31	0.31	0.33	0.32	1.15	1.16	1.16
7.4	0.18	0.19	0.19	0.19	1.23	1.28	1.27
8.0	0.20	0.18	0.19	0.18	1.31	1.37	1.27
9.0	0.17	0.16	0.17	0.17	1.08	1.11	1.10
10.0	0.16	0.15	0.18	0.16	0.98	1.03	1.03