Total flavonoids
HPLC identification and determination of myricetin, quercetin, kaempferol and total flavonoids in herbal drugs
... A new and rapid HPLC method for identification and determination of myricetin, quercetin, kaempferol and total flavonoids in ten herbal drugs of Macedonian origin is presented. Preparation of samples (Uvae ...
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Evaluation of procedure for spectrophotometric quantification of total flavonoids in leaves of Bauhinia forficata Link.
... OF TOTAL FLAVONOIDS IN LEAVES OF Bauhinia forficata ...of flavonoids from leaves of Bauhinia forficata Link ...of total flavonoids (with and without acid hydrolysis) by ...
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Fenólicos, flavonoides, taninos totais e atividade antioxidante de fava conservada em banco de germoplasma Tânia da Silveira Agostini-CostaI Ana Flávia Pádua Teodoro
... Extraction efficiencies of different polarity solvent systems were tested using acetone-water (50:50 v/v), acetone-water-acetic acid (70:29.5:0.5 v/v), acetone-water-formic acid (70:29.5:0.5 v/v), ethanol-water (70:30 ...
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ANTIOXIDANT COMPOUNDS IN PIXIRICA FRUITS COMPOSTOS ANTIOXIDANTES EM FRUTOS DE PIXIRICA
... Considering the importance of this native plant, and allied to the lack of studies about the properties of pixirica, is important to conduct studies focusing on its characterization. Thus, the objective of this work was ...
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Abstract- Some foods constituents are subject to change during thermal andor industrial process-
... acid, total carotenoids, total phenolic and total flavonoid present in guava ‘Paluma’ ...59% total carotenoids, 8% total phenolics and 54.5% total flavonoids), probably ...
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MATERIALS AND METHODS Experimental site and Treatment application
... the total number of fruit after anthesis minus the number of fruit at harvest with the total number of after ...the total number of fruits per treatment at the time of harvest. The total ...
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Melatonin treatment of pre-veraison grape berries modifies phenolic components and antioxidant activity of grapes and wine
... Table 2 also shows the effect of melatonin treatment during the pre-veraison period on grape and wine antioxidant activity. Both melatonin treatments reduced the antioxidant activity of grapes and wine. Compared with the ...
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Optimization of the Ocimum basilicum L. extraction process regarding the antioxidant activity
... Basil samples were collected in Bosnia and Herzegovina, Republika Srpska, near Banja Luka, in July 2009. The collected plant material has been naturally dried under sun and then stored in paper bags at room temperature. ...
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Rev. bras. farmacogn. vol.23 número1
... to study how the factors of a dynamic maceration process influence the responses of total flavonoids, total phenols, quercetrin and afzelin contents, and antioxidant activity in extracts from C. ...
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Open Aspectos de Qualidade, Atividade Antioxidante e de Méis Monoflorais Produzidos por Melipona ssp. no Semiárido Brasileiro
... content, total acidity, glucose, sucrose and color, as well as by acid taste, acid flavor, honey flavor and sweet ...highest total flavonoids content (TFC) than honeys from velame branco and jurema ...
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Optimization of ultrasound-assisted extraction of polyphenolic compounds from coriander seeds using response surface methodology
... on total phenolics and total flavonoids content, while extraction time was crucial parameter in the case of DPPH and reducing power ...of total phenolics content, where minimum of ultrasonic ...
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Changes in phytochemical contents in different parts of Clinacanthus nutans (Burm. f.) lindau due to storage duration
... stages. Total phytochemical content, total flavonoids content and DPPH radical scavenging activities are higher in young plants than in old plants, moreover, all those compounds are higher in leaves ...
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Determination of physicochemical characteristics and bioactive compounds in samples of pollen, geopropolis and honey from Melipona Scutellaris bee species / Determinação das características fisico-químicas e compostos bioativos em amostras de polén, geoprópolis e mel de abelha Melipona Scutellaris
... The total phenolic compounds, total flavonoids, antioxidant activity and total carotenoids results showed significant content of bioactive compounds that may presente functional properties for ...
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Rev. Bras. Cienc. Farm. vol.43 número3
... A validated, rapid and sensitive UV-spectro- phoometric method was used to obtain information about the chemical stability of O/W fluid emulsions containing the extract of Trichilia catigua Adr. Juss (Meliaceae) (and) ...
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Mineral composition, nutritional properties, total phenolics and flavonoids compounds of the atemoya fruit (Annona squamosa L. x Annona cherimola
... The total phenolic compounds (TPC) and total flavonoids (TF) were determined using spectroanalytical ...The total carbohydrates were 32 g 100g ...
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Effect of different ripening stages on bioactive compounds and antioxidant capacity of wild Rosa laevigata Michx
... sugar, total ascorbic acid, total polyphenol and total flavonoids, significant changes occurred at different ripening ...sugar, total polyphenol and total flavonoids were ...
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Research on the quality of the wine grapes in corridor area of China
... 2003). Flavonoids, as the most abundant phenolics, are important for their antioxidant and free radical scavenging activities; its content can reflect the antioxidant capacity of the fruit (Verzelloni et ...of ...
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Antioxidant Properties of Some Filamentous Green Algae (Chaetomorpha Genus)
... Total phenolic content (TPC) and flavonoid content (FC) of the algal extracts are also presented in Table 2. The content of phenolic compounds of the extracts expressed as mg GAE g -1 varied from 2.895 ± 0.415 ...
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The effects of whole green tea infusion on mouse urinary bladder chemical carcinogenesis
... This study evaluated the effect of oral administration of whole GT on the development of urothelial lesions chemically-induced by BBN in female and male mice. We observed that the concentrations of total phenols ...
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The effects of e-beam radiation in the antioxidant potential of chestnuts (Castanea sativa Mill.)
... assays. Total phenolics and flavonoids were performed by spectrophotometric ...preserve total phenolics content (but not flavonoids) and revealed higher antioxidant activity (lower EC 50 ...
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