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.