Tuesday 4 December 2012

Is Cacao Toxic?

Theobromine is the toxin in Cacoa.

Cocoa powder is ground cacao beans with the fat extracted. Cocoa powder contains roughly 2000mg of theobromine per 100g.[1] Cocoa butter contains very little, if any, theobromine.[2] I can't see any evidence suggesting cooking has any effect on the theobromine content of cocoa.


Theobromine is a big problem in dogs. It's hard to find much information on the toxic dose of theobromine for humans. However, it is said, by some, to be 3 times that of dogs.[3] The toxic dose for a dog is around 130mg per kilogram of body weight.[4] That makes the toxic dose for humans to be about 27, 300mg (average male)or 390mg per kg of body weight. That means you would have to eat over 1kg of cocoa powder in a day. That's like a whole package of it.[5]

  1. http://www.hersheys.com/nutrition-professionals/chocolate/composition/caffeine-theobromine.aspx
  2. http://www.ehow.co.uk/about_5457088_shea-cocoa-butter-toxic-dogs.html
  3. http://www.rsc.org/chemistryworld/podcast/CIIEcompounds/transcripts/theobromine.asp?playpodcastlinkuri=%2Fchemistryworld%2Fpodcast%2FCIIEcompound.asp%3Fcompound%3DTheobromine
  4. http://www.vetrica.com/care/dog/chocolate.shtml
  5. http://www.buywholefoodsonline.co.uk/organic-raw-cacao-powder-1kg.html

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