The following tables are taken from Appendix 2 of A Book of Honey by Eva Crane, published in New York in 1980 by Charles Scribner's Sons. The most important of the minor constituents are indicated by the U.S. averages.
Temperatures listed below reduce enzyme levels to half in the period stated.
Minerals in U.S. honeys, in order of importance, as identified in an extensive study by Schuette and his colleagues. On the right are trace elements found by various research workers. The honeys had been pre-treated 'to cl arity, as indicated by the polariscope', i.e. all crystals had been disolved. Figures are taken from a fuller table in the Comprehensive Survey .