Vipa Surojanametakul; Prajongwate Satmalee; Janpen Saengprakai; Dalad Siliwan; Ladda Wattanasiritham. Preparation of Curcuminoid Powder from Turmeric Root (Curcuma Longa Linn) for Food Ingredient Use. Agr. Nat. Resour. 2010, 44, 123-130.