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Showing 1 to 20 of 28 for “"Folin-Ciocalteu"”.

  1. A vegyes gyümölcsös likőr készítése extrakciós módszer alkalmazásával és annak antioxidáns tartalmának vizsgálata

    Spolárics, Mária2026

    … és antioxidáns kapacitását. Az analízishez Folin-Ciocalteu és Catechin módszereket használtam. A munka során optimalizáltam a kísérleti paramétereket az oldhatóság javítása és a funkcionális komponensek degradációjának minimalizálása érdekében. A dolgozat ezzel értékes adatokat szolgáltat a …

    debrecen Repository record

  2. Nutraceutical antioxidant potential and polyphenolic profiles of the Zambian market classes of bambara groundnuts (Vigna subterranea L. Verdc) and common beans (Phaseolus vulgaris L.)

    Nyau, VincentDepartment of Molecular and Cell Biology2013

    … for antioxidant properties, HPLC-PDA-ESI-MS and Folin Ciocalteu assay to screen for phenolic phytochemical profiles.

    cape-town Repository record

  3. Étude de l'inhibition de la germination des pommes de terre par l'éthylène

    Gnimassou, Yves-MarieUniversité de Moncton2017

    … des composés phénoliques par la méthode Folin-Ciocalteu et l'identification des composés phénoliques totaux par chromatographies en phase gazeuse ou liquide couplés à la spectrométrie de masse (DC-MS, LC-MS) ont été faites. Mots clés: Pommes de terre (Solanum tuberosum), composés …

    moncton Repository record

  4. Effect of Dried Mushroom Powder on Thiol Content in Lyophilized and Native Bovine Myofibrillar Protein

    Chayasing, Allany2021

    … days. Oven-dried <em>A. bisporus</em> had higher Folin-Ciocalteu reducing capacity at 8.05±0.71 gallic acid equivalent (GAE) mg/g compared to 4.97±0.20 GAE mg/g oven-dried <em>P. ostreatus</em>. Lyophilized <em>P. ostreatus</em> contained 164% more ergothioneine than lyophilized <em>A. …

    chapman Repository record

  5. L-Cysteine Effects on Chlorogenic Acid Quinone-Amino Acid Induced Greening and Browning: Mechanism and Effects on Antioxidant Capacity

    Liang, Yundi2020

    … by Trolox Equivalent Antioxidant Capacity and Folin-Ciocalteu reagent reducing capacity assays. More intense greening was detected at higher pH. Lysyl amine- CGA conjugates were identified as the predominant precursor of green TBA. Concentration-dependent cysteine inhibition of CGA-lysine …

    chapman Repository record

  6. Managing Apple Maturity and Storage to Increase the Quality of Virginia Hard Ciders

    Ewing, Brianna LeighVirginia Tech2017

    … rather than 10°C. Finally, the accuracy of the Folin-Ciocalteu (FC) assay, commonly used for quantification of total polyphenols in fruit juices and fermented fruit beverages was critically evaluated. Reducing sugars in the sample matrix did not affect the results of the FC assay, whereas the …

    vt Repository record

  7. Cuantificación de fenoles totales en diez frutos de especies vegetales pertenecientes a la flora salvadoreña

    Rivas Jimenez, Mónica Melissa2019

    … los fenoles totales utilizando el método Folin-Ciocalteu en los extractos acuosos liofilizados de los frutos pertenecientes a las especies: Licania platypus “Sunza”, Gonolobus taylorianus “Cuchamper”, Chrysobalanus icaco “Icaco”, Passiflora platyloba “Granadilla de huesito”, Annona …

    u-elsalvador Repository record

  8. PEDOT Electrodes as Redox Mediators for Determination of Antioxidants in Beverages

    Karaosmanoglu, HandeResearchSpace@Auckland2014

    … antioxidant determination techniques are the Folin-Ciocalteu assay and HPLC analyses. However, these methods have various disadvantages such as long time requirements, low sensitivity, interfering agents etc. Cyclic voltammetry at inert electrodes is another method for antioxidant …

    auckland-ms Repository record

  9. Avaliação da qualidade de diferentes marcas de chá verde (Camellia sinensis) comercializadas em Salvador-Bahia

    Firmino, Luziana de Azevedo2013

    … composites had been determined by the method of Folin-Ciocalteu and the antioxidant activity, through the methods of the kidnapping of the radical 2,2' - difenil-1-picrilhidrazil (DPPH) and for the system model β-carotene/linoleic acid, with the job of the hidroxtolueno butylated (BHT) and …

    brazil-ufba Repository record

  10. An Evaluation of the Chemotaxonomy of Lignosus Rhinocerus

    Zainoor, N B MLiverpool John Moores University2010

    … its total content (23.15~glg) was detennined by Folin-Ciocalteu method. Both classification of fungal sterols and PACs of L. rhinocerus were established using the optimum HPLC (chromatographic fingerprint) that may be applied in the routine quality assessment of samples of the fungal material. …

    liverpool-jm Repository record

  11. Phenolic composition and antioxidant activity of sweetpotatoes [Ipomoea batatas (L.) Lam]

    Padda, Malkeet SinghPlant, Environmental Management and Soil Sciences2022

    … Quantification of total phenolic content using Folin-Denis reagent provided more reliable results than Folin-Ciocalteu reagent. Individual phenolic acids were quantified by reversed-phase high performance liquid chromatography (HPLC) and the best separation was achieved using a 5-µm, 4.6 × 250 …

    lsu-thes Repository record

  12. Interactions between skimmed bovine milk and tea infusions under an acidulous environment: a thesis submitted in partial fulfilment of the requirements for the Degree of Doctor of Philosophy at Lincoln University

    Chen, HanLincoln University2019

    … four assays - Total phenolic content (TPC) by Folin-Ciocalteu assay, free radical scavenging ability by DPPH assay along with ABTS assay and FRAP assay. The cellular antioxidant activity and anti-proliferative activity were conducted on HepG2 cell lines. The microstructure of the ADGs was …

    lincoln Repository record

  13. Documentation, anti-aging activities and phytochemical profiling of selected medicinal plants used by Jakun women in Kampung Peta, Mersing, Johor

    Ismail, Nur AmalinaUniversiti Tun Hussein Onn Malaysia2017

    … design and tested for total phenolic content (Folin-Ciocalteu method), total flavonoid content (aluminium chloride colorimetric method) and three different antioxidant assays (DPPH scavenging, ABTS decolourization and FRAP assays). Single formulation of Cnestis palala, single formulation of …

    uthm Repository record

  14. Investigating flavor quality and variances in F2 cucumber progenies using instrumental analysis

    Duan, Cassidy NTexas Woman's University2022

    … (acid), a handheld refractometer (°Brix), the Folin Ciocalteu reaction (polyphenols), and SPME-GC-MS (volatiles). Statistical analysis included histograms and dendrograms constructed from AHC analysis. For texture, a normal distribution of hardness was observed with a range of 1.34N-57.26N and …

    twu Repository record

  15. Effect of yerba mate tea caffeine and green coffee by-products on in vitro adipogenesis and lipid accumulation and their incorporation into functional beverages

    Heckman, Melanie A.University of Illinois at Urbana-Champaign2010

    … Oxygen Radical Absorbance (ORAC) assay and the Folin-Ciocalteu method, respectively. Lipid quantification was done by the Oil Red O staining and real time polymerase chain reaction (RT-PCR) was performed to determine expression of two genes involved in lipid metabolism, lipoprotein lipase (LPL) …

    uiuc Repository record

  16. Enhancing biomethane production from anaerobic digestion of Sargassum muticum

    Maneein, SupattraUniversity of Greenwich2022

    … extract was 93.7% lower in phenolic content (Folin-Ciocalteu assay) and 24.4% higher in protein content than the untreated extract, with no significant difference in the lipid contents. MeOH-extracted biomass combined with the PVPP-treated extract produced 85.7% higher methane yields than when …

    greenwich Repository record

  17. Padronização farmacognóstica, desenvolvimento e validação de metodologia analítica para determinação de taninos em Simarouba amara AUBL

    ALVES, Iasmine Andreza Basilio dos SantosUniversidade Federal de Pernambuco2014

    … de onda de 760 nm, após adição do reagente Folin-Ciocalteu. O estudo permitiu especificar as quantidades ótimas de material vegetal e reagentes e demonstrou que o método foi linear, específico, preciso, exato e robusto, destacando-se pela facilidade de execução e baixo custo, além de …

    brazil-ufpe Repository record

  18. Gut Health Benefits of Natural and Alkali-Processed Cocoa (Theobroma cacao) with and without Inulin

    Essenmacher, Lauren AlexisVirginia Tech2020

    … and inulin powders were characterized using Folin-Ciocalteu (total polyphenols) and 4-dimethylaminocinnamaldehyde (total flavanols) assays, thiolysis , and HILIC UPLC-MS/MS. Treatments of cocoa and inulin were made in 1:2 cocoa:inulin and 1:4 cocoa:inulin mixtures for both natural and …

    vt Repository record

  19. Ethnobotany of traditional vegetables used by Sama-Bajau community in Kota Belud, Sabah, and phytochemical and anti-aging investigation of crassocephalum crepidioides

    Ag Kanak, FadzilahUniversiti Tun Hussein Onn Malaysia2021

    … were tested for total phenolic content (TPC) (Folin-Ciocalteu method), total flavonoid content (TFC) (aluminium chloride colorimetric method), and three antioxidant assays (DPPH scavenging, ABTS decolourization, and FRAP assays). The identification of phytochemical compound was analyzed using …

    uthm Repository record

  20. Antimicrobial and antioxidant activity of crude extracts and fractions from stems and leaves of Tephrosia Lupinifolia

    Nanhapo, DavidUniversity of Namibia2018

    … and tuberculosis. Two flavonoids, lupinifolin and lupinifolinol were previously isolated from the hexane root extract of T. lupinifolia, but there are no reports on phytochemical and pharmacological studies conducted on the stems and leaves of the plant. The purpose of this study was to …

    namibia Repository record

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