Annatto belongs to high density to spend tropical vegetation, grow cycle is very long, want ability hundreds of years to become a useful person, grow basically in only semi-tropical go up with intertropical and latitudinal belt. Ming Dynasty period is royal begin to use annatto to make furniture, at that time basically is chrysanthemum pear.
Home Qing Chaohuang also wants to use chrysanthemum pear, but discovery was done not have basically, begin to turn so with flocculus rosewood. Go up century 889 time, home begins arisen archaize heat, the annatto resource that discovers home at that time has extracted almost is used up, can look for the raw material that southeast Asia carries only.
After this, southeast Asia country also begins in succession forbidden cut and export, the market gets lost the raw material that purchases South America and Africa slowly. "What at present the market sees more now is annatto of African beautiful pear, South America, actual already not was GB completely the 5 annatto categories that belong to 8 kinds. " Hong Huahui says, "The annatto of southeast Asia also has, but it is old stuff, so particularly expensive.