what use it is given to the shell of the cocoa beans
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Hello Peter, I found this information from the Codex Alimentarium, which supports Sebastian´s warning: CODE OF PRACTICE FOR THE PREVENTION AND REDUCTION OF OCHRATOXIN A CONTAMINATION IN COCOA (CAC/RCP 72-2013) www.codexalimentarius.org/input/download/standards/.../CXP_072e.pdf
Please note item 7: "(...) only the stage of shell removal can significantly reduce OTA levels."
Therefore, no cocoa tea made from shells for my kid.
Regarding heavy metals, i.e. Cd & Pb, are relatively common in volcanic soils. At the Fine Cacao Chamber of Costa Rica, we are developing a project to identify the correlation of Cd content in soil, beans and 70% couverture. More information with Dr. Carlos Hernandez from Universidad Nacional de Costa Rica (cherna @ una.ac.cr)
updated by @Juan Pablo Buchert: 07/12/16 11:59:26PM