Results 161 to 170 of about 2,466 (220)

Ethnobotanical Use, Phytochemistry, Pharmacology, and Toxicity of <i>Canavalia gladiata</i>. [PDF]

Drug Des Devel Ther
Qian H, Meng D, Yue L, Xu H, Feng K, Wang J.   +5 more
europepmc   +1 more source

UV-VIS absorption spectra at high pressure of C-phycocyanin and allophycocyanin from Mastigocladus laminosus [PDF]

, 1991
Fischer, R., Scheer, Hugo, Schneider, Siegfried, Tiltscher, H., Wokusch, T.   +4 more
core  

In silico identification of promising PD-L1 inhibitors from selected indian medicinal plants for treatment of triple negative breast cancer. [PDF]

PLoS One
Ahmed SF, Hossain MS, Mondal A, Shahariar M, Sumya SA, Rizu NS, Barsha LHJ.   +6 more
europepmc   +1 more source

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Determination of gallotannin with rhodanine

Analytical Biochemistry, 1988
A reliable method for quantitative analysis of gallotannin in plants has been devised. Gallotannin is hydrolyzed with acid, and gallic acid in the hydrolysate is then assayed using rhodanine. This method is very specific; no interferences from other plant phenolics, including ellagic acid and condensed tannin, have been observed.
Ann E Hagerman
exaly   +3 more sources

Synthesis of gallotannins

Carbohydrate Research, 2001
As a contribution to the synthesis of gallotannins, four O-galloyl-D-glucoses (3-O-, 6-O-, 3,6-di-O-, 3,4,6-tri-O-galloyl-D-glucose) have been prepared by the reaction of tri-O-benzylgalloyl chloride and partially protected glucose derivatives (1,2-O-, and 1,2:5,6-di-O-isopropylidene-alpha-D-glucofuranose), followed successively by catalytic ...
Q, He, B, Shi, K, Yao, Y, Luo, Z, Ma
openaire   +3 more sources

Biodegradation of gallotannins and ellagitannins

Journal of Basic Microbiology, 2006
AbstractNowadays, many researches have been made on gallotannin biodegradation and have gained great success in further utilization. Some of industrial applications of these findings are in the production of tannase, the biotransformation of tannic acid to gallic acid or pyrogallol and detannification of food and fodder. Although ellagitannins have the
Mingshu, Li, Yao, Kai, He, Qiang, Jia, Dongying   +3 more
openaire   +2 more sources

Enzymology of Gallotannin and Ellagitannin Biosynthesis

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Ruth, Niemetz, Georg G, Gross
openaire   +2 more sources

The structure of gallotannins

Chemistry of Natural Compounds, 1973
1. It has been established that the semiacetal hydroxyls of the carbohydrate components of the tannins of the smoketree and of Turkish galls are substituted by galloyl residues and the C3 hydroxy group is free; on the other hand, in the tannins from sumac and Chinese galls all the hydroxy groups of the sugars are substituted by galloyl residues with ...
I. Sh. Buziashvili, N. F. Komissarenko, I. P. Kovalev, V. G. Gordienko, D. G. Kolesnikov   +4 more
openaire   +1 more source

Gallotannins and flavonoids from Haematoxylon campechianum

Phytochemistry, 1996
Two new compounds, 2,6-bis-O-digalloyl-3-O-galloylglucose and 2-O-trigalloyl-1,3,4,6-tetrakis-O-galloylglucose, along with four known gallotannins, were isolated and identified from the leaves of Haematoxylon campechianum. In addition, four known flavonoid and three simple phenolic compounds were also detected.
F E, Kandil, N H, el-Sayed, H N, Micheal, M S, Ishak, T J, Mabry   +4 more
openaire   +2 more sources

Gallotannins. Part XIII. The structure of Chinese gallotannin: evidence for a polygalloyl chain

Journal of the Chemical Society C: Organic, 1966
Evidence is presented relating to the disposition of the depsidically linked galloyl groups on the penta-O-galloyl-β-D-glucose core of Chinese gallotannin. Interpretation of the n.m.r. spectra of methylated gallotannin fractions using the spectra of model depsides and several tri-O-methylgalloyl sugar derivatives permits the tentative formulation of ...
G. Britton, P. W. Crabtree, E. Haslam, J. E. Stangroom   +3 more
openaire   +1 more source