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Page 1
"Sweet Flavonoids": Glycosidase-Catalyzed Modifications.
Slámová K, Kapešová J, Valentová K. Slámová K, et al. Int J Mol Sci. 2018 Jul 21;19(7):2126. doi: 10.3390/ijms19072126. Int J Mol Sci. 2018. PMID: 30037103 Free PMC article. Review.
The presence of l-rhamnose (6-deoxy-alpha-l-mannopyranose) in rhamnosides, rutinosides (rutin, hesperidin) and neohesperidosides (naringin) plays an important role in properties of flavonoid glycosides, which can be considered as "pro-drugs". ...
The presence of l-rhamnose (6-deoxy-alpha-l-mannopyranose) in rhamnosides, rutinosides (rutin, hesperidin) and neohesperidosides (nar …
Target prediction and antioxidant analysis on isoflavones of demethyltexasin: a DFT study.
Anbazhakan K, Sadasivam K, Praveena R, Dhandapani M. Anbazhakan K, et al. J Mol Model. 2019 May 23;25(6):169. doi: 10.1007/s00894-019-4045-0. J Mol Model. 2019. PMID: 31123835
The most common glycosyl units present in most secondary metabolites are glucoside and rhamnoside attached to flavonoid moiety. In the present work, 4'-O-glycosylated (4'-O-glucoside and 4'-O-rhamnoside) demethyltexasin, a soy isoflavone bearing a chromen nuc …
The most common glycosyl units present in most secondary metabolites are glucoside and rhamnoside attached to flavonoid moiety. In th …
Flavonoids from Echinops echinatus.
Singh S, Upadhyay RK, Pandey MB, Singh JP, Pandey VB. Singh S, et al. J Asian Nat Prod Res. 2006 Apr-May;8(3):197-200. doi: 10.1080/1028602042000324826. J Asian Nat Prod Res. 2006. PMID: 16864424
A new isoflavone glycoside, echinoside (7), together with 7-hydroxyisoflavone, kaempferol-4'-methylether, kaempferol-7-methylether, myrecetin-3-O-alpha-L-rhamnoside, kaempferol and kaempferol-3-O-alpha-L-rhamnoside, has been isolated from the whole plant of E …
A new isoflavone glycoside, echinoside (7), together with 7-hydroxyisoflavone, kaempferol-4'-methylether, kaempferol-7-methylether, m …
Arabidopsis thaliana beta-glucosidase BGLU15 attacks flavonol 3-O-beta-glucoside-7-O-alpha-rhamnosides.
Roepke J, Bozzo GG. Roepke J, et al. Phytochemistry. 2015 Jan;109:14-24. doi: 10.1016/j.phytochem.2014.10.028. Epub 2014 Nov 12. Phytochemistry. 2015. PMID: 25468534
QTOF-MS/MS established the product of Q3G7R hydrolysis in the presence of Arabidopsis cell free extracts was quercetin 7-O-alpha-rhamnoside. A phylogenetic analysis of the Arabidopsis glycoside hydrolase family 1 identified BGLU15 (At2g44450) and five other members that cl …
QTOF-MS/MS established the product of Q3G7R hydrolysis in the presence of Arabidopsis cell free extracts was quercetin 7-O-alpha-rhamnosi
Separation of vitexin-4"-O-glucoside and vitexin-2"-O-rhamnoside from hawthorn leaves extracts using macroporous resins.
Li H, Liu Y, Jin H, Liu S, Fang S, Wang C, Xia C. Li H, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Dec 15;1007:23-9. doi: 10.1016/j.jchromb.2015.10.043. Epub 2015 Oct 30. J Chromatogr B Analyt Technol Biomed Life Sci. 2015. PMID: 26562804
Vitexin-4"-O-glucoside and vitexin-2"-O-rhamnoside are the major flavonoids of hawthorn leaves. In this work, the adsorption and desorption characteristics of vitexin-4"-O-glucoside and vitexin-2"-O-rhamnoside on seven macroporous resins were evaluated. ...These res …
Vitexin-4"-O-glucoside and vitexin-2"-O-rhamnoside are the major flavonoids of hawthorn leaves. In this work, the adsorption and deso …
beta-Galactosidase-inhibiting new isoflavonoids produced by actinomycetes.
Hazato T, Naganawa H, Kumagai M, Aoyagi T, Umezawa H. Hazato T, et al. J Antibiot (Tokyo). 1979 Mar;32(3):217-22. doi: 10.7164/antibiotics.32.217. J Antibiot (Tokyo). 1979. PMID: 110760 Free article.
Their structures were determined by spectral analyses to be daidzein, daidzein 7-alpha-L-rhamnoside, daidzein 4',7-di-alpha-L-rhamnoside, genistein, genistein 7-alpha-L-rhamnoside and genistein 4',7-di-alpha-L-rhamnoside....
Their structures were determined by spectral analyses to be daidzein, daidzein 7-alpha-L-rhamnoside, daidzein 4',7-di-alpha-L-rham
Ionic liquids-lithium salts pretreatment followed by ultrasound-assisted extraction of vitexin-4"-O-glucoside, vitexin-2"-O-rhamnoside and vitexin from Phyllostachys edulis leaves.
Hou K, Chen F, Zu Y, Yang L. Hou K, et al. J Chromatogr A. 2016 Jan 29;1431:17-26. doi: 10.1016/j.chroma.2015.12.067. Epub 2015 Dec 30. J Chromatogr A. 2016. PMID: 26763300
An efficient method for the extraction of vitexin, vitexin-4"-O-glucoside, and vitexin-2"-O-rhamnoside from Phyllostachys edulis leaves comprises heat treatment using an ionic liquid-lithium salt mixture (using 1-butyl-3-methylimidazolium bromide as the solvent and lithium …
An efficient method for the extraction of vitexin, vitexin-4"-O-glucoside, and vitexin-2"-O-rhamnoside from Phyllostachys edulis leav …
Effects of vitexin-2"-O-rhamnoside and vitexin-4"-O-glucoside on growth and oxidative stress-induced cell apoptosis of human adipose-derived stem cells.
Wei W, Ying X, Zhang W, Chen Y, Leng A, Jiang C, Liu J. Wei W, et al. J Pharm Pharmacol. 2014 Jul;66(7):988-97. doi: 10.1111/jphp.12225. Epub 2014 Feb 17. J Pharm Pharmacol. 2014. PMID: 24533889
OBJECTIVES: Vitexin-2"-O-rhamnoside (VOR) and vitexin-4"-O-glucoside (VOG) are the two main flavonoid glycosides of the leaves of Cratagus pinnatifida Bge. var. major N. ...
OBJECTIVES: Vitexin-2"-O-rhamnoside (VOR) and vitexin-4"-O-glucoside (VOG) are the two main flavonoid glycosides of the leaves of Cra …
Involvement of three putative glucosyltransferases from the UGT72 family in flavonol glucoside/rhamnoside biosynthesis in Lotus japonicus seeds.
Yin Q, Shen G, Chang Z, Tang Y, Gao H, Pang Y. Yin Q, et al. J Exp Bot. 2017 Jan 1;68(3):597-612. doi: 10.1093/jxb/erw420. J Exp Bot. 2017. PMID: 28204516 Free PMC article.
In addition, the overexpression of UGT72AD1 and UGT72Z2 led to increased accumulation of flavonol rhamnosides in L. japonicus and Arabidopsis thaliana. Moreover, the increase of kaempferol 3-O-rhamnoside-7-O-rhamnoside in transgenic A. thaliana inhibited root …
In addition, the overexpression of UGT72AD1 and UGT72Z2 led to increased accumulation of flavonol rhamnosides in L. japonicus and Ara …
Production of an alpha-pyrone metabolite and microbial transformation of isoflavones by an Indonesian Streptomyces sp.
Wewengkang DS, Yamazaki H, Takahashi M, Togashi T, Rotinsulu H, Sumilat DA, Namikoshi M. Wewengkang DS, et al. J Asian Nat Prod Res. 2020 Aug;22(8):754-761. doi: 10.1080/10286020.2019.1635588. Epub 2019 Jul 16. J Asian Nat Prod Res. 2020. PMID: 31311336
A benzyl-alpha-pyrone metabolite, streptpyrone A (1), was obtained together with three known isoflavonoids, daidzein-7-O-alpha-l-rhamnoside (2), genistein-7-O-alpha-l-rhamnoside (3), and daidzein (4), from the culture broth of an Indonesian actinomycete Streptomyces …
A benzyl-alpha-pyrone metabolite, streptpyrone A (1), was obtained together with three known isoflavonoids, daidzein-7-O-alpha-l-rhamnosi
17 results