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VIEW ARTICLE DOI: 10.1094/ASBCJ-52-0054
Differences in Ultraviolet Absorbance of Tetrahydroiso-α -acid Components. Bruce A. Hay, John W. Homiski, and Jack L. Howie, Pfizer Central Research, Groton, CT 06340. J. Am. Soc. Brew. Chem. 52:0054, 1994.
A high-performance liquid chromatography (HPLC) method was developed to separate the six major components of tetrahydroiso-α-acids. Relative ultraviolet absorptivities, absorbance spectra, and HPLC relative response factors were generated for the major components using the HPLC method and a combination of ultraviolet, refractive index, and diode array detection.
Keywords: Absorptivity, Extinction coefficients, Hops, HPLC, Tetrahydroiso-α-acids, Ultraviolet
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