1973
DOI: 10.1080/00960845.1973.12006004
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New Bitter Substances of Beer—Lupdeps and Lupdols

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Cited by 8 publications
(7 citation statements)
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“…A similar behavior was observed for 2″,3″-dehydrocyclohumulohydrochinon (29). Although this compound was not always present in breeds containing detectable amounts of xanthohumol O (23) or isoxanthohumol M (26), respectively, the occurrence of this compound was limited to those varieties. The presence of single compounds in distinct varieties has been previously observed for 4′-Omethylxanthohumol and flavokawin 71 or β-farnesene.…”
Section: ■ Results and Disussionsupporting
confidence: 70%
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“…A similar behavior was observed for 2″,3″-dehydrocyclohumulohydrochinon (29). Although this compound was not always present in breeds containing detectable amounts of xanthohumol O (23) or isoxanthohumol M (26), respectively, the occurrence of this compound was limited to those varieties. The presence of single compounds in distinct varieties has been previously observed for 4′-Omethylxanthohumol and flavokawin 71 or β-farnesene.…”
Section: ■ Results and Disussionsupporting
confidence: 70%
“…The large cluster 4 comprises most of the xanthohumol derivatives (6,8,10,15,16,23,25,27) and some isoxanthohumol derivatives (2, 9, 12) as well as compound 29, all of them having been recently discovered as key taste compounds in the hop hard resin. 26 In particular, oxidation products such as 2″,3″-epoxyxanthohumol (27), xanthohumol O (23), and 2″,3″-dehydrocyclohumulohydrochinon (29) were found to rise steadily over time. Isoxanthohumol (2) shows a similar tendency, whereas amounts of xanthohumol (1) decrease.…”
Section: ■ Results and Disussionmentioning
confidence: 99%
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“…V literatuře jsou zmiňovány i další oxidační produkty beta kyselin, jako například luputriony, lupoxy, lupdoxy (Kokubo et al, 1971), lupdoly, lupdepy (Kowaka et al,1973). Tyto deriváty vznikají cyklizací a epoxidací bočních izopentenylových řetězců při zachování původního šestičlenného aromatického kruhu.…”
Section: ■ ■ 3 Beta Acids and Beerunclassified
“…Recent pharmacological reports have shown that both the major and the minor constituents of liquorice root (Glycyrrhiza glabra L.) form the active principles of many phytotherapeutic drugs used in the treatment of gastric ulcers and dermatitis rather than its glucocorticoid and anti-inflammatory effects (1). Thus, it became desirable to continue our investigations (2) for identifying the nature of the minor triterpenoids existing in the root of the local drug.…”
mentioning
confidence: 99%