Glycosides phenolic

The chemical stability of Toyopearl HW-40 resin to organic eluents allows this material to be used for a variety of applications, including the purification of synthetic functionalized surfactants, polyphenolics, and phenolic glycosides (50,51). 

Williams, C. A. and Garnock-Jones, P. J. 1986. Leaf flavonoids and other phenolic glycosides and the taxonomy and phytogeny of Fuchsia sect. Skinnera (Onagraceae). Phytochemistry 25 2547-2549. 

Absorption of both cations and anions can be inhibitied by various allelochemicals. Most studies have been conducted with °Rb+ (a tracer for K+) or P0 but Cl and NO3 absorption (34) and even phenolic glycoside absorption (27) was shown to be inhibited by several flavonoids. The lack of specificity of these... 

Li Y, Zhao YL, Huang N, Zheng YT, Yang YP, Li XL. (2008) Two new phenolic glycosides from Viscum articulatum. Molecules 13 2500-2508. 

Willow Sa/Aspp. J stages Mountain hare Lepus timidus Phenolic glycosides, catechin Tahvanainen etal., 1985... 

The levels of phenolic glycosides can also vary diurnally. In Salixfragilis and Salixpupurea, their concentrations decrease by 20% and 40%, respectively, from early morning to late in the day (Thieme, 1965). 

Opossum Didelphis sp. groenlandicum Salix sp. Salicin derivatives (phenolic glycosides)... 

In the search for LHR air-inducers, each phenolic aglycone or other fraction to be tested was dissolved in DMSO and diluted in pH 5.50 or 5.70 MS medium to a final concentration of 0.1% DMSO (phenolic glycosides and the grape flavan fractions were dissolved directly in pH 5.50 or 5.70 MS medium). Subsequent experiments revealed a more acidic pH optimum for... 

Takara, K., D. Matsui, K. Wada, T. Ichiba, and Y. Nakasone. New antioxi-dative phenolic glycosides isolated from Kokuto non-centrifuged cane sugar. Biosci Biotechnol Biochem 2002 66(1) 29-35. 

Cui, C.B. et al., Constituents of a fern, Davallia mariesii Moore. V. Isolation and structure of davallin, a new tetrameric proanthocyanidin, and two new phenolic glycosides, Chem. Pharm. Bull, 41, 1491, 1993. 

Pauli, G.F. and Junior, P., Phenolic glycosides from Adonis aleppica. Phytochemistry, 38, 1245, 1995. 

Trimethylsilylation has been used in studying the methanolysis of monosaccharides383,384 and the products obtained by reduction of 4-deoxyuronic acids.385 Various natural phenolic glycosides have been separated as trimethylsilyl ethers,386 as have glucosinolates.126... 

N.A. Phenolic glycosides, eugenol, tannins, sesquiterpene lactone." Treat fever, stomach and intestinal complaints, diarrhea, and reduce bleeding, inflammation, and hemorrhoids. 

N.A. Tannins, phenolic glycosides, p-coumaric acid, silicic acid, caffeic acid, salicylic acid.100 102 Remedy for sore throat, colds, coughs, bronchitis, diarrhea, chronic skin disease. 

N.A. Geum urbanum L. Phenolic glycosides (eugenol), tannins, volatile oil, sesquiterpene lactone, cnicin." Treat mouth, throat, and gastrointestinal tract disorders. For peptic ulcers, irritable bowel syndromes. 

N.A. Populus balsamifera L. P. candle arts L. Flavonoids, phenolic glycoside.102 Antiseptic, sore throats, dry irritable coughs. 

The lignols are synthesized within cells and are thought to move out into cell walls, possibly as phenolic glycosides.19°C/195 Cell wall peroxidases or laccas-es initiate polymerization.173 The previously discussed lignans do not tend to polymerize, but other dimeric... 

Most phenolic glycosides are water soluble, but the corresponding aglycones are usually less so. Phenolic substances are aromatic and therefore show intense absorption in the UV region of the spectrum (2). Most of the benzoic acid derivatives displayed their maxima at 246-262 nm, with a shoulder at 290 - 315 nm, except gallic and syringic acid, which have absorption maxima at 271 and 275 nm, respectively (4). The cinnamic acids absorb in two regions in the ultraviolet, one... 

Many different sample preparation procedures have been employed, ranging from simple filtration of juice products to solvent extraction, and extraction by SPE using C, 8, Sephadex LH-20 (49,50,52), and Amberlite XAD-2 (51,54,57). The Amberlite XAD-2 cleaning step has been used for many phenolic extracts, especially for fruit purees, to remove the sugars and other polar compounds. However, due to the low recovery rate with Amberlite XAD-2 for certain phenol glycosides, a modified sample preparation technique is needed, especially for quantification of ar-butin in pear juice and blends (54). Figure 6 describes the fractionation procedure for phenolics using a Sephadex LH-20 column (58). 

P-D- Glucopyranoside)-gallic acid (phenolic glycoside) Rhodiola sacra (Crassulaceae) PEP (215 pM) [115]... 

Hydroxyphenyl)-2-butanone 4 -0-f)-D-(2,6-di-0-galloyl)glucopyranoside (phenolic glycoside) Rheum palmatum (Polygonaceae) PEP (11 pM) [116]... 

---