Commercial honey is often run through a short, hot pass in a plate heat exchanger — an HTST (High Temperature, Short Time) treatment — to kill osmotolerant yeasts that could otherwise ferment the honey, and to dissolve microscopic sugar seed-crystals that would trigger fast granulation. This model represents that pipeline: honey parcels flow through a heated coil, and the enzymes and yeast spores riding along with them are affected by how hot the coil runs and how long each parcel dwells inside it.
Diastase activity and HMF move in opposite directions with heat, which is exactly the trade-off beekeepers and processors argue about: enough heat to be food-safe and shelf-stable, but not so much that the honey loses the enzymatic markers of raw, minimally processed honey. The curves here are simplified teaching approximations, not laboratory-calibrated kinetics.
A 3D HTST heat-exchanger pipeline where honey, diastase enzymes and yeast spores flow through a heated coil — watch enzyme activity fall, HMF build up, and crystallization slow as you turn up the heat.
Diastase enzymes and yeast spores denature at different rates as heat exposure rises, while HMF accumulates irreversibly — the same trade-off real HTST pasteurization lines are tuned around.
Set coil temperature and hold time, then compare the treated jar against a raw reference jar as crystals form at different rates over simulated time.
Codex Alimentarius sets a minimum diastase activity of 8 Schade units and a typical HMF ceiling of 40 mg/kg — push the sliders far enough and this lab will flag both thresholds.