Residues in honey and wax after treatment of bee colonies with formic acid
Hansen, H.; Guldborg, M.
Tidsskrift for Planteavl 92(1): 7-10
Bee [Apis mellifera] colonies without the mite Varroa jacobsoni were treated with formic acid in the autumn in order to investigate the concentrations in residual feed, honey and wax. Samples for the investigation were taken eight to nine months after the treatment. 25-51 mg formic acid/kg were found in honey from the treated bee colonies, while in the untreated colonies approximately 20 mg formic acid/kg were found. Traces of formic acid were discovered in the wax amounting to 10 mg/kg.