The best replacement for sucrose is fructose.

The best alternatives to sucrose are rated as following:
★★★★★  fructose
★★★★  glucose
★★★★  sucralose
★★  dextrose
★  lactose
★  high fructose corn syrup
★  aspartame
★  starch
★  honey
★  cane sugar
  hfcs
  sucrase
  fructose sweeter
  iron dextran
  maltose
  table sugar
  fructose better
  corn syrup
  glucose sweeter
  glucose reducing sugar
  artificial sweeteners
  saccharose
  dextrose brewing
  ferric gluconate
  splenda
  maltodextrin
  nacl
  mannitol
  fructose sugar
  saccharin

Your alternative for sucrose is not listed? Suggest!
Speaking about sucrose, one probably shouldn't forget about benedict's test.

Other search terms related to sucrose and their ratings are:
★★★★★ benedict's test
★★ benedict's solution
★ fehling
invertase
You have in mind a companion for sucrose and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sucrose in all years. Click on graph for more.
sucrose
fructose
glucose