In this study, some quality changes in the optimally thermosonicated (59°C-455 J g-1) cloudy strawberry nectar during storage were evaluated and modelled. The of pH (3.40-3.78), residual polyphenol oxidase-(PPO) activity (24%-11%), total phenolic-(TP) content (688.7-543.2 mg L-1), monomeric anthocyanin-(TMA) (142.5-84.4 anthocyanin, colorless phenolic compounds analyzed three months at 4°C. sig...

The edible halophyte Nitraria retusa known in traditional medicine purposes was used as a support this study. present study investigated the chemical analyses of general composition leaf and stem extracts using RP-HPLC. Results showed richness these phenolics especially flavonoids luteolin-7-O-glucoside, isorhamnetin-3-O-rutinoside, isorhamnetin, quercetin others. In total, nine compounds were ...

four known flavonoids: quercetin 3-o-β-d-rutinoside (q3rut), myricetin 3-o-β-d-galactopyranoside (m3gal), quercetin 3-o-β-d-galactopyranoside (q3gal) and quercetin 3-o-β-d-glucopyranoside (q3glc), for the first time were isolated from aerial parts of euphorbia microsciadia. the chemical structure of them was elucidated on the basis of 1 and 2 d-nmr spectra and different spectroscopic techniques...

Water infusions of Ligustrum delavayanum and Ligustrum vulgare leaves and eight phenolics isolated therefrom have been assayed in vitro on ofloxacin-induced genotoxicity in the unicellular flagellate Euglena gracilis. The tested compounds luteolin, quercetin, luteolin-7-glucoside, luteolin-7-rutinoside, quercetin-3-rutinoside, apigenin-7-rutinoside, tyrosol and esculetin inhibited the mutagenic...

We investigated bluish-purple Platycodon grandiflorus flowers for yet unidentified flavonoid-related compounds and their flower coloration mechanisms. identified a new polyacylated anthocyanin, delphinidin 3-O-[6-O-(α-rhamnopyranosyl)-β-glucopyranoside]-7-O-[6-O-(4-O-(6-O-(4-O-(6-O-(4-O-(β-glucopyranosyl)-trans-caffeoyl)-β-glucopyranosyl)-trans-caffeoyl)-β-glucopyranosyl)-trans-caffeoyl)-β-gluc...

The air-dried leaves of Ixora finlaysoniana Wall. ex. Don ( family Rubiaceae) afforded a new dammarane triterpenoid named: 17β-dammara-1-one -20 ene-3β-3', 8'-dimethyloctanoate (1) together with two known saturated fatty acids capric (2) and palmitic (3) from the chloroform extract as well as three phenolic acids: gallic (4), caffeic (5), chlorogenic (6), six flavonols: Kaempferol 3-O--D-arabi...

Tree tomato fruits from the yellow giant, giant purple and New Zealand purple cultivars, cultivated in Ecuador were analysed for their phenolic composition and antioxidant capacity. Twelve hydroxycinnamoyl derivatives and four anthocyanins (in the purple cultivars) were detected and identified. The hydroxycinnamoyl derivatives mostly derived from caffeic acid, being 3-O-caffeoylquinic acid and ...

Seven phenolic compounds were isolated from the fruits of Viburnum sargentii Koehne by silica gel column chromatography and preparative HPLC. On the grounds of chemical and spectroscopic methods, their structures were identified as (-)-Epicatechin (1), 5,7,4'-trihydroxy-flavonoid-8-C-β-D-glucopyranoside (2), 1-(4-hydroxy-3-methoxyphenyl)-2-[4-(3-α-L-rhamnopyranoxypropyl)-2-methoxyphenoxy]-1,3-p...

The fruit of the jussara palm (Euterpe edulis M.) from Brazilian Atlantic Forest is rich in anthocyanins, mainly 3-O-glucoside cyanidin and 3-O-rutinoside cyanidin, with high antioxidant capacity which can prevent different types diseases. aim this review addresses aspects fruit, proximate composition, bioactive compounds, main methods for determining activity as well phenolic processing some p...

Bioactive polyphenolics are ubiquitously present in plants and may play an important role in the prevention and management of certain human diseases. Three known flavonoids viz Kaemperol-3-O-rutinoside (1), quercetin-3-O-glucoside (2) and kaemperol-3-O-glucoside (3) and inseparable mixture (1:1) of quercetin-3-O-glucose/galactose (4) were isolated, and identified for the first time from Holarrh...