Results 91 to 100 of about 14,009 (216)

Metabolomic screening of radioiodine refractory thyroid cancer patients and the underlying chemical mechanism of iodine resistance

Scientific Reports
Radioiodine refractory (RAIR) patients do not benefit from iodine-131 therapy. Thus, timely identification of RAIR patients is critical for avoiding ineffective radioactive iodine therapy.
Weihui Zheng, Xi Tang, Jinyun Dong, Jianguo Feng, Min Chen, Xin Zhu   +5 more
doaj   +1 more source

Contents of carboxylic acids and two phenolics and antioxidant activity of dried Portuguese wild edible mushrooms [PDF]

, 2006
The organic acids and phenolics compositions of nine wild edible mushrooms species ( Suillus bellini, Tricholomopsis rutilans, Hygrophorus agathosmus, Amanita rubescens, Russula cyanoxantha, Boletus edulis, Tricholoma equestre, Suillus luteus, and ...
Andrade, P.B., Baptista, Paula, Rangel, Joana, Ribeiro, Bárbara, Seabra, R.M., Valentão, P.   +5 more
core   +1 more source

Chemical constituents from fruits of Illicium verum and their antioxidant activities

Guangxi Zhiwu
To study chemical constituents and antioxidant activities of fruits of Illicium verum, various chromatography techniques, like silica gel, Sephadex LH-20, and HPLC, etc., were used to isolate and purify chemical constituents of I. verum fruits.
WANG Yimou, CHEN Zhangxian, SHEN Xiaojiang, ZHU Kuilin, DONG Weimao, YIN Rui, HE Hongping, DONG Fawu*
doaj   +1 more source

Microwave-assisted solvent extraction and analysis of shikimic acid from plant tissues Extração por solvente assistida por micro-ondas e análise do ácido chiquímico dos tecidos de plantas

Planta Daninha, 2009
A better method for determination of shikimate in plant tissues is needed to monitor exposure of plants to the herbicide glyphosate [N-(phosphonomethyl)glycine] and to screen the plant kingdom for high levels of this valuable phytochemical precursor to ...
M.B Matallo, S.D.B Almeida, A.L Cerdeira, D.A Franco, F.M.G Blanco, P.T.C Menezes, L.C Luchini, M.A.M Moura, S.O Duke   +8 more
doaj   +1 more source

Poly(ADP-ribose)polymerase activity controls plant growth by promoting leaf cell number [PDF]

, 2014
A changing global environment, rising population and increasing demand for biofuels are challenging agriculture and creating a need for technologies to increase biomass production.
Claeys, Hannes, Degenkolbe, Thomas, Hannah, Matthew A, Jansseune, Karel, Méret, Michaël, Schulz, Philipp, Skirycz, Aleksandra, Teige, Markus, Willmitzer, Lothar   +8 more
core   +3 more sources

Determination of organic acids in apple juice by capillary liquid chromatography [PDF]

, 2012
The organic acids quinic, malic, shikimic and citric were separated on a packed reverse phase fused-silica capillary column using 0.01 M K2HPO4/H3PO4 at pH 2.7 as eluent at a flow rate of 2 μL/min, and determined with UV detection.
Blanco-Gomis, Domingo, Gutiérrez, M.D. (María), Mangas, J.J. (Juan), Quintanilla, M.E. (M.)   +3 more
core  

Isolation and mapping of a C3'H gene (CYP98A49) from globe artichoke, and its expression upon UV-C stress [PDF]

, 2009
Globe artichoke represents a natural source of phenolic compounds with dicaffeoylquinic acids along with their biosynthetic precursor chlorogenic acid (5-caffeoylquinic acid) as the predominant molecules. We report the isolation and characterization of a
Acquadro, A., Beekwilder, M.J., Comino, C., Lanteri, S., Moglia, A., Portis, E., Vos, C.H., de   +6 more
core   +2 more sources

Extraction of shikimic acid and and anise oil from Illicium verum Hook. f. using steam distillation method

Shipin yu jixie
ObjectiveThis study aimed to improve the added value of the industry of Illicium verum Hook. f.MethodsThe anise oil in I. verum was separated by steam distillation, and the high-purity shikimic acid was obtained from the crude by ion exchange. During the
WANG Shenyan, LI Simei, LI Jifu, MENG Keyi, YANG Jie   +4 more
doaj   +1 more source

Foliar Phenolic Compounds in Norway Spruce with Varying Susceptibility to Chrysomyxa rhododendri: Analyses of Seasonal and Infection-Induced Accumulation Patterns

Frontiers in Plant Science, 2017
Secondary phenolic metabolites are involved in plant responses to various biotic stress factors, and are apparently important for the defense against fungal pathogens.
Andrea Ganthaler, Andrea Ganthaler, Wolfgang Stöggl, Ilse Kranner, Stefan Mayr   +4 more
doaj   +1 more source

Chemical constituents, radical scavenging activity and enzyme inhibitory capacity of fruits from Cotoneaster pannosus Franch

, 2017
Cotoneaster pannosus (Rosaceae) is a semievergreen shrub, producing globose dark red pomes, native to China and widely used as an ornamental plant all over the world.
Bellumori, M., CAPRIOLI, GIOVANNI, FIORINI, Dennis, IANNARELLI, ROMILDE, Innocenti, M., Les, F., López, V., MAGGI, Filippo   +7 more
core   +1 more source