Tetrahop Gold®
Tetrahop Gold® is an aqueous solution of pure tetrahydro-iso-α-acid. It is perfect for adding bitterness to low BU beers. In addition, it is light-stable, allowing the beer to be bottled in green and clear glass. Easily add light stable bitterness that also enhances and stabilizes your beer’s head of foam.
Manufacturing: Produced by CO2 extract.
Application: After fermentation before final filtration.
Shelf life: 2 years (when stored properly).
| Appearance | Yellow to amber |
| Concentration | 9.0% ± 0.5 of tetrahydro-iso-α-acids |
| Density | 1.017 g/mL (approximately) at 20 °C |
| α-acids | < 0.1% |
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Standard concentration is 9.0% ± 0.5 of tetrahydro-iso-alpha-acids by HPLC.
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Tetrahydro-iso-alpha-acids (THIAA) equal 1.7 times as bitter as iso-alpha-acids (IAA). Utilisation of THIAA is expected to be up to 70 - 75% when Tetrahop Gold® is used as recommended.
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Tetrahop Gold provides harsh bitterness compared to Hexahop Gold and Redihop.
