I’m glad you did your research! 2,500 species of plants produce cyanide in amounts ranging from just a trace to toxic levels. Many Brassicas (like mustard) contain cyanide. Garlic mustard (Alliaria petiolata) is very different from mustard cress (Sinapis alba) though both have been eaten by foragers for centuries. Recent research has shown that garlic mustard can have levels of cyanide that could be very harmful to humans. Read this report for more info https://waingerlab.cbl.umces.edu/SupportingLiterature/LiteratureReviewDiagrams_Literature/Forbs/Cipollini_&_Gruner_2007.pdf
I’m glad you did your research! 2,500 species of plants produce cyanide in amounts ranging from just a trace to toxic levels. Many Brassicas (like mustard) contain cyanide. Garlic mustard (Alliaria petiolata) is very different from mustard cress (Sinapis alba) though both have been eaten by foragers for centuries. Recent research has shown that garlic mustard can have levels of cyanide that could be very harmful to humans. Read this report for more info https://waingerlab.cbl.umces.edu/SupportingLiterature/LiteratureReviewDiagrams_Literature/Forbs/Cipollini_&_Gruner_2007.pdf