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ASBC Methods of Analysis - Hops-18: Determintion Of Tetrahydroiso-α-Acids In HopProducts By Spectrophotometry

ASBC Methods of Analysis

Hops

Hops-18
Determintion Of Tetrahydroiso-α-Acids In Hop Products By Spectrophotometry

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Summary
The method for spectral determination of tetrahydroiso-?-acids in hop products described here can be used to determine the spectral concentration of these ?-acids in hop products made from either ?-acids or ?-acids. The method offers a choice of extinction coefficient to be used depending on which type of ?-acid is in the product.