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Evaluation of polyphenols from Broussonetia papyrifera as coronavirus protease inhibitors
Abstract The current study was designed to assess the inhibitory activity of Broussonetia papyrifera-derived polyphenols against 3-chymotrypsin-like and papain-like coronavirus cysteine proteases.Expand
Biflavonoids from Torreya nucifera displaying SARS-CoV 3CLpro inhibition
Abstract As part of our search for botanical sources of SARS-CoV 3CLpro inhibitors, we selected Torreya nucifera, which is traditionally used as a medicinal plant in Asia. The ethanol extract ofExpand
Chalcones isolated from Angelica keiskei inhibit cysteine proteases of SARS-CoV
Abstract Two viral proteases of severe acute respiratory syndrome coronavirus (SARS-CoV), a chymotrypsin-like protease (3CLpro) and a papain-like protease (PLpro) are attractive targets for theExpand
Phenolic phytochemical displaying SARS-CoV papain-like protease inhibition from the seeds of Psoralea corylifolia
Abstract Severe acute respiratory syndrome coronavirus (SARS-CoV) papain-like protease (PLpro) is a key enzyme that plays an important role in SARS virus replication. The ethanol extract of the seedsExpand
Tanshinones as selective and slow-binding inhibitors for SARS-CoV cysteine proteases
Abstract In the search for anti-SARS-CoV, tanshinones derived from Salvia miltiorrhiza were found to be specific and selective inhibitors for the SARS-CoV 3CLpro and PLpro, viral cysteineExpand
Diarylheptanoids from Alnus japonica inhibit papain-like protease of severe acute respiratory syndrome coronavirus.
The papain-like protease (PL(pro)), which controls replication of the severe acute respiratory syndrome coronavirus (SARS-CoV), has been identified as a potential drug target for the treatment ofExpand
Geranylated flavonoids displaying SARS-CoV papain-like protease inhibition from the fruits of Paulownia tomentosa
Abstract SARS-CoV papain-like protease (PLpro) is an important antiviral target due to its key roles in SARS virus replication. The MeOH extracts of the fruits of the Paulownia tree yielded manyExpand
Anti-atherosclerotic and anti-inflammatory activities of catecholic xanthones and flavonoids isolated from Cudrania tricuspidata.
The catecholic xanthones and flavonoids 1-13 were isolated from the root bark of Cudrania tricuspidata. Compounds 1 and 3-8 exhibited significant antioxidant activity against low-density lipoproteinExpand
SARS-CoV 3CLpro inhibitory effects of quinone-methide triterpenes from Tripterygium regelii
Abstract Quinone-methide triterpenes, celastrol (1), pristimerin (2), tingenone (3), and iguesterin (4) were isolated from Triterygium regelii andExpand
Glycosidase inhibitory flavonoids from Sophora flavescens.
  • J. Kim, Y. Ryu, +4 authors K. Park
  • Chemistry, Medicine
  • Biological & pharmaceutical bulletin
  • 1 February 2006
The methanol extract of Sophora flavescens showed a potent glycosidase inhibitory activity. Active components were identified as well-known flavonoid antioxidants: kushenol A (1), (-)-kurarinone (2),Expand