Coating

 

RAPS microencapsulation: even coatings for raw materials

RAPS microencapsulation enables the customised coating of raw materials. Unlike conventional coating processes this innovative technology can be used to evenly coat products with grains measuring 100 μm to 12 mm, even if they are irregularly shaped. This protects them against temperature fluctuations, moisture and oxygen. At the same time it makes products more stable in their flavour and colour.

This RAPS technology enlarges the areas many times over in which microencapsulation processes can be used in the food industry. Raw materials given special properties by this coating process can provide a foundation for developing unusual and pioneering products.

Air flow bed process replaces fluidised bed process

RAPS has revolutionised the conventional fluidised bed process using an innovative air flow bed process. The range of raw materials that could be processed and refined was limited using the fluidised bed process, but the application of the air flow bed process extends this range massively. The new technology enables fragile, irregularly shaped carrier materials with grain sizes of between 100 μm and 12 mm to be evenly coated.

Advantages of the air flow bed process:

  • Coats different materials in one working step
  • Mixes particles of different sizes and weights
  • Controlled release
  • No demixing before packaging
  • Improved stability in flavour and colour
  • Spreads components evenly over the carrier material
  • Enables free-flowing, more accurate dosage
  • Protects ingredients against moisture and oxidation
  • Optimises production processes
  • Improves heat stability
  • Storage stability
  • Multiple areas of use (baked goods and confectionery, dairy, convenience and frozen products, meat and sausage goods)

Areas in which microencapsulation can be used

Products evenly coated using microencapsulation are more versatile for use in the food industry. From baked goods and confectionery, to food supplements, convenience and frozen products, all the way to meat and sausage goods, this process can be used in almost every field. It is therefore a growth-driver and an area that showcases RAPS’ technological expertise.

Salt

Salts can be given outstanding product properties and an appealing look using microencapsulation. Granulated salt is highly versatile and, depending on its grain size, from extra-fine to coarse, there are many ways of processing it.

Product benefits:

  • No hydration (in the freezing and thawing cycle)
  • No texture problems
  • Seasoned meat does not sweat
  • No crystal formation (freezer burn)

Advantages of microencapsulation:

  • Improved surface adhesion
  • Improved freezing and thawing stability
  • Use as decoration with special colourings and/or flavours
  • Stabilises the process of freezing ready-made meals
salze coating

Sugar

Sugar – whether sugar crystals, granulated sugar, castor sugar or icing sugar – fulfils many different roles in the modern food industry. Size, colour, shape, aroma and adhesion play different roles. RAPS microencapsulation can be used to adapt and optimise these different factors as needed.

Product benefits:

  • No breaking-down or loss of aroma (in coloured and flavoured products)
  • No hydration (in the freezing and thawing cycle)
  • No crystal formation (in frozen products)

Advantages of microencapsulation:

  • Long-lasting effect
  • Improved surface adhesion
  • Improved freezing and thawing stability
  • Use as decoration with special colourings and flavours
zucker coating

Acids

Coated acids can be used for different purposes which, activated at the right moment, can create an unusual taste experience. Acids are versatile, especially in confectionery and baked goods, and they can be used to influence shelf life, texture and structure.

Product benefits:

  • No uncontrolled reactions with other influence-factors (yeasts, baking agents)
  • No inverse reactions. Sugar reacts with acid and moisture.

Advantages of microencapsulation:

  • Improved surface adhesion
  • Reduces pH (improved shelf life)
  • Protects against hydration
  • Use as decoration with special colourings and flavours
säuren coating

Effervescent powder

RAPS effervescent products can be used to create sour sweets with exciting tastes such as gummi bears, filled sweets and lollies. The special RAPS microencapsulation technology unites flavour, colour and sourness with the effervescent powder and gives it a final protective coating. This allows RAPS fizz products to be used as coatings and fillings in confectionery.

Advantages of microencapsulation:

  • Combines different flavour and sensory impressions
  • Evenly distributes flavour, colour and fizz
  • High stability
  • Can be used as decoration and inclusion
  • Unusual sensory effects
brausepulver coating

Specialised products

RAPS microencapsulation can be used to coat customised products. It is especially suitable for adapting the colouring, flavouring and refining of fragile, irregularly shaped and coarse products.

Advantages of microencapsulation:

  • Long-lasting effect
  • Improved surface adhesion
  • Improved freezing and thawing stability
  • Retains texture
  • Prevents colour-intensive ingredients from bleeding
  • Even distribution on the final product
spezialprodukte coating
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