parthenocissus tricuspidata/antioksidantas

Nuoroda įrašoma į mainų sritį

StraipsniaiKlinikiniai tyrimaiPatentai

Pasirinkite rūšiavimo tipą

6 rezultatus

Chemical characterization and antioxidant activities of polysaccharides isolated from the stems of Parthenocissus tricuspidata.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

Four polysaccharides, PTP-1, PTP-2, PTP-3 and PTP-4, were obtained from the water extraction of the stems of P. tricuspidata by anion exchange chromatography and gel filtration. The antioxidant activities of four PTPs were investigated, exhibiting different antioxidant activities, in which PTP-4

Phytochemical screening and antioxidant potential of Parthenocissus quinquefolia (L.) planch extracts of bark and stem.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

The phytochemical screening and antioxidant potential of bark and stem of Parthenocissus quinquefolia (L.) planch was assessed in order to verify its ethnopharmacological significance. All major secondary metabolites e.g. alkaloids, flavonoids, saponins, terpenoids, tannins, reducing sugars, cardiac

Isolation and purification of antioxidative isomeric polyphenols from the roots of Parthenocissus laetevirens by counter-current chromatography.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

Upright counter-current chromatography (CCC) with a two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (1:2:1:2, v/v/v/v) was applied to the isolation and purification of polyphenols from the roots of Parthenocissus laetevirens. Two cis-trans isomeric resveratrol dimers -

Stilbene oligomers from Parthenocissus laetevirens: isolation, biomimetic synthesis, absolute configuration, and implication of antioxidative defense system in the plant.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

Five new stilbene oligomers, laetevirenol A-E (4-8), were isolated from Parthenocissus laetevirens, together with three known stilbene oligomers (2, 3, and 9). The structures of the new compounds were elucidated by spectroscopic analysis, including 1D and 2D NMR experiments. Afterward the absolute

Two new antioxidant stilbene dimers, parthenostilbenins A and B from Parthenocissus tricuspidata.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

The ethyl acetate fraction of an aqueous alcoholic extract from the stem of Parthenocissus tricuspidata yielded 11 known compounds (1-11) and two new stilbene dimers parthenostilbenins A (12) and B (13) upon purification either by preparative TLC or reversed phase HPLC. The structures of the new

Antioxidant caffeic acid derivatives from leaves of Parthenocissus tricuspidata.

Straipsnius versti gali tik registruoti vartotojai

Prisijungti Registracija

Five caffeic acid derivatives; methyl ester of caffeoylglycolic acid (1), dimethyl ester of caffeoyltartaric acid (2), dimethyl ester of caffeoyltartronic acid (3), monomethyl ester of caffeoyltartronic acid (4), methyl ester of caffeic acid (5), and some other secondary metabolites including;

Prisijunkite prie mūsų
„Facebook“ puslapio

Herbal & Natural Medicine

Išsamiausia vaistinių žolelių duomenų bazė, paremta mokslu

Dirba 55 kalbomis
Žolelių gydymas, paremtas mokslu
Vaistažolių atpažinimas pagal vaizdą
Interaktyvus GPS žemėlapis - pažymėkite vaistažoles vietoje (netrukus)
Skaitykite mokslines publikacijas, susijusias su jūsų paieška
Ieškokite vaistinių žolelių pagal jų poveikį
Susitvarkykite savo interesus ir sekite naujienas, klinikinius tyrimus ir patentus

Įveskite simptomą ar ligą ir perskaitykite apie žoleles, kurios gali padėti, įveskite žolę ir pamatykite ligas bei simptomus, nuo kurių ji naudojama.
* Visa informacija pagrįsta paskelbtais moksliniais tyrimais