Screen the starting range

Bloom-strength screening chart
NeedStarting rangeAlso defineValidate
Tender or flexible gel160–200 BloomDosage, melting profile, clarityTexture through target shelf life
General confectionery or food gel200–240 BloomViscosity, acid exposure, set timeDepositing and demoulding window
Firm gel or stronger film240–270 BloomUse level, elasticity, process viscositySensory and equipment handling
Specialised high strength270–300 BloomSupplier capability and full specificationScale-up at process limits
Foam stabilisationOften 200–260 BloomViscosity, whip density, setting timingDrainage and collapse
Capsule or film systemApplication-specificViscosity, film properties, dissolution, microbiologyMachine and fill compatibility

Four decisions before you request a sample

  • Which function is critical: strength, elasticity, film, foam, binding or clarification?
  • What is the measurable success target and approved reference?
  • Which process conditions can damage or limit gelatin performance?
  • Which non-Bloom parameters must remain within a narrow window?

Record enough detail to make the trial reusable

  • Supplier, grade, lot and Certificate of Analysis reference.
  • Hydration ratio, time, temperature and addition sequence.
  • Formulation pH, solids and thermal history.
  • Texture or performance result at defined time and temperature.
  • Processing observations, defects and comparison with the control.