| Literature DB >> 7765689 |
S Heuer1, S Richter, J W Metzger, V Wray, M Nimtz, D Strack.
Abstract
Betacyanins from the bracts of Bougainvillea glabra were isolated and characterized by a combination of spectroscopic techniques (DAD-HPLC, NMR, LC-MS, GC-MS, electrospray MS, tandem MS) as gomphrenin I (betanidin 6-O-beta-glucoside) and various derivatives of bougainvillein-v (betanidin 6-O-beta-sophoroside), i.e. mono- and diglucosylsophorosides which are acylated with 4-coumaric and caffeic acid (mono- and diesters). Besides the betacyanins, B. glabra bracts accumulated large amounts of flavonols (kaempferol and quercetin conjugates) reaching ratios of flavonol to betacyanin of 1:1.Entities:
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Year: 1994 PMID: 7765689 DOI: 10.1016/s0031-9422(00)90354-6
Source DB: PubMed Journal: Phytochemistry ISSN: 0031-9422 Impact factor: 4.072