The term is also used to describe a situation where an enantiomeric excess lies far below the observational horizon, but is still relevant, e.g. in highly enantiosensitive, self-amplifying reactions.Absolute Asymmetric Synthesis: A Commentary, Kurt Mislow, Collect. Czech. Chem. Commun. 2003, 68, 849-864, https://doi.org/10.1135/cccc20030849
