heptulose
noun
hep·tu·lose
| \ ˈheptəˌlōs, -pchə- also -ōz\
plural -s
Definition of heptulose
: a ketose C7H14O7 containing seven carbons in the molecule
especially
: the isomer having the carbonyl group in the beta or 2-position
d-manno-heptulose is found in avocados