Annatto is a plant-based food additive made from the seeds of the Bixa orellana shrub. Native to South America and Central ...

A study by researchers working in Brazil shows that antimicrobial photodynamic therapy in which blue light targets annatto ...

Annatto is an orange-reddish pigment derived from the seeds of Bixa orellana (achiote or urucum), a shrub native to tropical parts of the Americas. Mouth breathing dries up the saliva, reducing ...

A study by researchers working in Brazil shows that antimicrobial photodynamic therapy in which blue light targets annatto colorant is a feasible and ...