CAFFEINE CONCENTRATIONS IN SOME SARDINIAN HONEY CURRENTLY AVAILABLE ON THE MARKET

Twenty-none Sardinian honeys of different botanical origin (Orange, Ci trus spp., Asphodel, Cardus spp, Strawberry-tree, Eucalyptus, Multiflo wers, Chestnut-tree, Trifolium spp., Edisarum spp., and Mediterranean native flora) currently available on the market, were analyzed in orde r to determine the caffeine content. The result have shown an average concentration of caffeine of 1.79 and 4.93 mg/kg in Citrus and Orange honeys respectively. On the contrary, the component was not found in t he other honeys. According to previous results obtained by other Autho rs, these data confirm the peculiarity of Orange and Citrus honeys; th erefore their botanical origin can be identified using the caffeine pr esence and concentration.