Isomerized Hop Extract 30%

Description

Iso-Extract 30% is an aqueous solution of the potassium salts of iso-alpha acids. ISO 30% can be used post fermentation to top-up bitterness or to partially replace traditional forms of bittering. ISO 30% is added immediately before filtration for best yield results.

• Technical Data Sheet
• Safety Data Sheet

Advantages

• Bitterness
• Foam
• Anti-microbial

Usage & Methods

• Dose anytime during kettle boil as a partial replacement for kettle hopping
• Post fermentation for touching up IBU’s
  • Post fermentation utilization 85% – 90%
  • Dose anytime during kettle boil as a partial replacement for kettle hopping
    • Good – add product to empty vessel and push with nitrogen (NOT CO2) into beer line when starting to fill tank
    • Better – add product to empty beer keg and fill with pH 8-9 adjusted de-aerated, de-ionized water and push with nitrogen (NOT CO2) into beer line when starting to fill tank
    • Best – meter the concentrated product into transfer stream using a diaphragm pump. Attempt to deliver evenly throughout 80% of the transfer of beer. Dispense solution into the beer transfer stream pre filtration
• Inject on suction side of beer transfer pump
• Link to methods for bench-top testing in bottles or kegs.

Notes & Suggestions

• Limit use of product to 30% – 40% of total bitterness to avoid a noticeable change in the bitter quality
• Post fermentation for best utilization and efficiency (85%-90%)
• Do not add to DE slurry tanks
• Make sure introduced at least 5 Meters upstream of filter
• Diluting with beer lowers utilization and can result in precipitation of resins.
• Product will freeze – must ship next day air during winter months

Package & Storage

• 1 kg. containers
• 20 kg. pails
• Also available in 10 & 20%?
• Open containers should be used within 3-4 weeks and headspace purged using nitrogen (avoid using CO2)