It serves well as a matrix for MALDI due to its ability to absorb laser radiation and to also donate protons (H+) to the analyte of interest.

[3] Sinapine is an alkaloidal amine found in black mustard seeds.

[4] Sinapinic acid can be found in wine,[5] vinegar,[6] and black plums.

Canolol is a phenolic compound found in crude canola oil.

It is produced by decarboxylation of sinapic acid during canola seed roasting.