Wikipedia reports "Curcumin constitutes 3.14% (on average) of powdered turmeric"[1]. And the USDA nutrient database reports 1 tbsp ground turmeric weighs 9.4g [

Wikipedia reports "Curcumin constitutes 3.14% (on average) of powdered turmeric"[1]. And the USDA nutrient database reports 1 tbsp ground turmeric weighs 9.4g [2] I think that works out to 0.295g or 295mg per tbsp (on average). [1]: https://en.wikipedia.org/wiki/Turmeric https://en.wikipedia.org/wiki/Turmeric [2]: https://ndb.nal.usda.gov/ndb/foods/show/292 https://ndb.nal.usda.gov/ndb/foods/show/292