Table 1. Effective Lifetimes of Browning for cis-Pinonaldehyde Aged in 5.6 M (pH −0.86) and 10 M (pH −1.08) H₂SO₄, Calculated by Assuming Pseudo-First-Order Reactions in the Time Series Fits for Each Peak.

sample	peak of interest (nm)	lifetime of browning (h)
pH −0.86	246	18 ± 3
	355	69 ± 1
pH −1.08	215	0.47 ± 0.03
	251	0.04 ± 0.03
	370	0.31 ± 0.03
	415	0.69 ± 0.03
	500	2.4 ± 0.2