作者:Jan Urban、Clinton J. Dahlberg、Brian J. Carroll、Werner Kaminsky
DOI:10.1002/anie.201208450
日期:2013.1.28
During the beer brewing process, bitter tasting cis and trans iso‐α‐acids are generated from the precursor α‐acids found in hops. The absolute configurations of the α‐acid (−)‐humulone and several of its derivatives have now been elucidated by X‐ray crystallography, thus resolving decades of confusion over the humulone isomerization mechanism.
在啤酒酿造过程中,啤酒花中的前体α-酸会产生苦味的顺式和反式异α-酸。α-酸(-)-葎草酮及其几种衍生物的绝对构型现已通过 X 射线晶体学阐明,从而解决了数十年来对葎草酮异构化机制的困惑。