Tressl R, Friese L
Z Lebensm Unters Forsch. 1978 Jul 31;166(6):350-4. doi: 10.1007/BF01181504.
The volatiles of Spalter hops were concentrated by destillation-extraction, separated by liquid solid chromatography and characterized by capillary gas chromatography-mass spectrometry. 125 constituents (terpenes, sesquiterpenes, esters, alcohols, acids) were identified and semiquantified.