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Dragon's blood, a deep red resin derived from Tree Sap, is a well-known traditional tonic, obtained from four different sources: Croton spp. (syn. Sangre de draco, Euphorbiaceae), Dracaena spp. (syn. … read more

Pearl contains mainly calcium carbonate and magnesium carbonate, which accounted for 91%, followed by silica, calcium phosphate, aluminum oxide and ferric oxide as well as some trace elements such as … read more