About Sr isotopes in coffee 'Bourbon Pointu' of the Réunion Island

► Sr isotopic composition of coffee beans can be used to recognize the geographical source of the production. ► Relation between the Sr isotopic characteristic of rock/soils and plant. ► The Bourbon Pointu coffee of the Réunion Island as a high hand brand coffee. ► Fertilizers in the Bourbon Pointu production are characterized by high Sr isotopic ratios.