Results 111 to 120 of about 800 (132)

Water Limitation Causes Early-Stage Metabolic Perturbation in the Interaction of Soybean and Asian Soybean Rust. [PDF]

J Agric Food Chem
Castro-Moretti FR, Husein G, Kiyota E, Nunes JDK, de Carvalho Leite G, Lourenço SA, Monteiro-Vitorello CB, Amorim L, Mazzafera P.   +8 more
europepmc   +1 more source

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Astringin protects LPS-induced toxicity by suppressing oxidative stress and inflammation via suppression of PI3K/AKT/NF-κB pathway for pediatric acute lung injury

Naunyn-Schmiedeberg's Archives of Pharmacology, 2023
Acute lung injury (ALI) is a major pathophysiological problem defined by severe inflammation and acute disease with substantial morbidity and death. It is known that lipopolysaccharide (LPS) induces ALI by causing oxidative stress and inflammation.
Tao Qin
exaly   +3 more sources

Astringin and isorhapontin distribution in Sitka spruce trees

Phytochemistry, 1991
Abstract High levels of the stilbene glucosides astringin and isorhapontin, previously identified as major constitutive antifungal compounds in Sitka spruce ( Picea sitchensis ), were present in mature bark tissues. Levels in needles, sapwood and feeder roots were relatively low.
Claudia D. Toscano Underwood, Raymond B. Pearce   +1 more
exaly   +2 more sources

High-performance liquid chromatography coupled with fluorescence detection for the determination of trans-astringin in wine

Journal of Chromatography A, 1999
In this study a high-performance liquid chromatography (HPLC) method was developed for the determination of trans-astringin in wine using fluorescence detection. This is the first time the occurrence of trans-astringin has been reported in wine. The method allows analysis of both red and white wine samples with no prior treatment.
Gérard Deffieux, Pierre-Louis Teissedre   +1 more
exaly   +3 more sources

Highly regioselective hydroxylation of polydatin, a resveratrol glucoside, for one-step synthesis of astringin, a piceatannol glucoside, by P450 BM3

Enzyme and Microbial Technology, 2017
Enzymatic conversion of natural glycosides to their corresponding hydroxylated products using cytochromes P450 has significant advantages over synthetic chemistry and even enzyme-catalyzed glycosylation of chemicals. At present, the basic strategy for making glycosides of stilbenoid compounds is to use the glycosylation activity of enzymes, such as ...
Thien-Kim Le, Ki Deok Park, Taeho Ahn
exaly   +3 more sources

Variation in the levels of the antifungal stilbene glucosides astringin and isorhapontin in the bark of Sitka spruce [Picea sitchensis (Bong.) Carr.

Forest Pathology, 1991
AbstractThe concentrations of the constitutive antifungal stilbene glucosides astringin and isorhapontin were measured in the bark of a number of Sitka spruce [Picea sitcbensis (Bong.) Carr.] genotypes. These included trees of different provenances, trees grown at different sites, and young clonal plants.
R B Pearce
exaly   +2 more sources

Quantitative structure–antioxidant activity relationship of trans-resveratrol oligomers, trans-4,4′-dihydroxystilbene dimer, trans-resveratrol-3-O-glucuronide, glucosides: Trans-piceid, cis-piceid, trans-astringin and trans-resveratrol-4′-O-β-D-glucopyranoside

European Journal of Medicinal Chemistry, 2010
By means of the accurate computations based on the density functional theory, the relationships between the molecular structure and free radical scavenging activity have been studied for dimer of trans-4,4'-dihydroxystilbene, trans-resveratrol-3-O-glucuronide, glucosides: geometric stereoisomers of piceid, trans-astringin, trans-resveratrol-4'-O-beta-D-
Damian Mikulski, Marcin Molski
exaly   +3 more sources