ã€source】 This product is carbonate mineral calcite calcite Stalctite, the main calcium carbonate. [processing method] First, the net system wash ("Pharmacopoeia 85"). Second, cut into small pieces and dry ("Pharmacopoeia 85"). Third, the artillery 1. The stalactites were made by forging and chopped into small pieces, placed in a container, calcined to redness with a fire, removed, let cool, and ground (“Pharmacopoeia 85â€). 2. vinegar quenching stalactites, into the tank, placed on the fire to calcine to red, hot and pour into the vinegar quenched, cold and grind. 100kg per stalactite, 25kg with vinegar ("Hubei"). Colorant Fruit Powder,Curcumin Powder,Water Soluble Curcumin Powder,Water Soluble Curcumin Yellow Powder Fufeng Sinuote Biotechnology Co.,Ltd. , https://www.sntextract.com