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Gmelinosides A-L, twelve acylated iridoid glycosides from Gmelina arborea.
Besides the known iridoids 6-O-alpha-L-rhamnopyranosylcatalpol (1), 6-O-(3"-O-trans-feruloyl)-alpha-L-rhamnopyranosylcatalpol (14), 6-O-(2"-O-acetyl-3",Expand
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Novel oxidations of (+)-catechin by horseradish peroxidase and laccase.
  • M. Hosny, J. Rosazza
  • Chemistry, Medicine
  • Journal of agricultural and food chemistry
  • 17 August 2002
Horseradish peroxidase (HRP; EC 1.11.1.7) catalyzed the H(2)O(2)-dependent oxidative coupling of (+)-catechin 1 to form three different biphenyl C-C dimers 2-4, whereas Rhus vernicifera laccaseExpand
  • 85
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Combination of vitamin E and clomiphene citrate in treating patients with idiopathic oligoasthenozoospermia: A prospective, randomized trial
The most common cause of male infertility is idiopathic oligoasthenozoospermia. Empirical medical treatment for idiopathic male infertility is still a controversial issue. The aim of this study wasExpand
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A New Flavonoid C-Glycoside from Celtis australis L. and Celtis occidentalis L. Leaves and Potential Antioxidant and Cytotoxic Activities
A major development over the past two decades has been the realization that free radical induced lipid peroxidation and DNA damage are associated with major health problems, e.g. cancer and ageing.Expand
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Aspergillus endocarditis: Diagnostic criteria and predictors of outcome, A retrospective cohort study
Background Fungal Endocarditis (FE), a relatively rare disease, has a high rate of mortality and is associated with multiple morbidities. Aspergillus endocarditis (AE) is severe form of FE. IncidenceExpand
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Hydroxylations and methylations of quercetin, fisetin, and catechin by Streptomyces griseus.
Preparative-scale biotransformation of quercetin (1), fisetin (7), and (+)-catechin (12) with Streptomyces griseus (ATCC 13273) resulted in the isolation and characterization of nine knownExpand
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Novel isoflavone, cinnamic acid, and triterpenoid glycosides in soybean molasses.
Seven known isoflavones, genistein (4), daidzein (5), glycitein (6), formononetin (7), genistin (8), daidzin (9), and glycitein 7-O-beta-D-(6' '-O-acetylglucopyranoside) (10), ferulic acid, and twoExpand
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Structures of Ferulic Acid Glycoside Esters in Corn Hulls
1D-NMR (1H and 13C) and 2D-NMR spectroscopy as well as chemical means have been used to determine the structures of three new feruloylated disaccharides derived from acid hydrolysis of corn hulls.Expand
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Oxidation, reduction, and methylation of carnosic acid by Nocardia.
Preparative-scale incubations with Nocardia sp. NRRL 5646 were conducted to produce new derivatives of the abietane diterpene chemoprotectant and antioxidant carnosic acid (1). ReductiveExpand
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(−)-Catechin glycosides from Ulmus davidiana
Extensive chromatographic separation of the n-BuOH soluble fraction obtained from the stem and root barks of U. davidiana resulted in five hitherto unknown compounds together with a known oneExpand
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