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Ferric reducing antioxidant power

Tìm thấy 11+ kết quả cho từ khóa "Ferric reducing antioxidant power"

Assessment of the antioxidant power of in vitro obtained coleus forskohlii briq

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Based on the current findings, we conclude that ½ MS medium supplemented with 0.5 mg L -1 IAA yields high total phenol and flavonoids content as well as higher antioxidant activity (radical scavenging activity and ferric reducing antioxidant power). https://doi.org/10.1007/s x. In vitro shoot multiplication and rooting in Coleus forskohlii Briq. The ferric reducing ability of plasma (FRAP) as a measure of “antioxidant power”: the FRAP assay. https://doi.org/10.1006/abio.1996.0292.

Naphthoxazoles and heterobenzoxazoles: Cholinesterase inhibition and antioxidant activity

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In the present study, seven in-house synthesized compounds, naphthoxazoles (1–3) and fused heter- obenzoxazoles (4–7, Figure), were tested for their antioxidant activity, using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging and ferric reducing antioxidant power (FRAP) methods. They were also tested for cholinesterase inhibitory activity using Ellman’s method.

Charactrization of carotenoids (lyco-red) extracted from tomato peels and its uses as natural colorants and antioxidants of ice cream

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Table 9 Ferric Reducing Antioxidant Power of ice cream prepared with different ratios of carotenoids (lyco-red) extracted from tomato peels during storage period.. with of carotenoids (lyco-red) extracted from tomato peels at zero time after 30 days of storage.

Impact of chickpea as prebiotic, antioxidant and thickener agent of stirred bio-yoghurt

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Total antioxidant activity potential of stirred bio-yoghurt with chick- pea fl our was determined by two methods, namely, DPPH radical scav- enging activity and Ferric Reducing Antioxidant Power (FRAP) methods..

Comparison of antioxidant capacities and antioxidant components of commercial bitter melon (Momordica charantia L.) products

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In the same study, it was stated that TPC findings were compatible with the findings of the FRAP (ferric reducing antioxidant power) method used in the determination of TAC (R 2 = 0.948). Spectra of extracts of powdered bitter melon sample containing MeOH-water (A) and EtOH-water (B) in different proportions . and the comparison of the spectra of 80% MeOH-water and 80% EtOH-water (C) extracts..

Synthesis and evaluation of acetylcholineesterase inhibitory potential and antioxidant activity of benzothiazine derivatives

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The ferric reducing antioxidant power assay of the prepared compounds was carried out according to the method described by Benzi and Stain. Synthesis of 1,4-benzothiazine derivatives.. Synthesis of 1,2-benzothiazine derivatives.. 2H -1,4-benzothiazine-2,3(4H )-dione (1): IR (KBr, cm −1 ) v max : 3220 (N-H), 1630 (C=O), 1234 (C=C).. 13 C NMR (CD 3 OD, 100 MHz) δ: 184.01 (C C C-5) 121.1 (C C C C C-10)..

Synthesis of hydroxy benzoin/benzil analogs and investigation of their antioxidant, antimicrobial, enzyme inhibition, and cytotoxic activities

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Antioxidant activities of the synthetic compounds 1-25 were tested against iron (III. Ferric reducing antioxidant power (FRAP) assay: The method was carried out based on the determination of the iron ions reducing the samples’ power. As a standard, different concentrations of Trolox solution and 250 μg/mL) were used instead of the sample. At the end of the incubation, the samples’. 1 > gt;1000 58.16. gt;1000 > .

Doctor of Philosophy: Phytochemical investigation antioxidant activities and hepatoprotective efficacy of indigofera tirunelvelica sanjappa against CCL4 induced wistar albino rats

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The antioxidant activity of the whole plant extracts was expressed as IC 50 and compared with standard. 4.7.3 Ferric Reducing Antioxidant Power (FRAP) Assay (Pulido et al., 2000) The capability of the plant extracts to reduce ferric ions was evaluated through the FRAP assay (Benzie and Strain, 1996). The final dilution of the test sample in the reaction mixture was 1/34. The absorbance value of the reaction mixture was recorded at 230nm.

Phenolic content and antioxidant activity of einkorn and emmer sprouts and wheatgrass obtained under different radiation wavelengths

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Antioxidant activity. Antioxidant activity was measured by DPPH and ferric reducing antioxidant power (FRAP) tests following the same procedure used by Falcinelli et al. All data were analyzed by two-way ANOVA and the effect of genotype (G), light (L), and their interaction (G × L) were tested.. Differences between any couple of treatments were tested by the least signi fi cant difference (LSD) of the interaction..

Evaluation of bioaccessibility and functional properties of kombucha beverages fortified with different medicinal plant extracts

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Preparation of the extracts for the total phenolic compound content and antioxidant capacity. The extracts of the kombucha beverages were prepared according to method defined by Vitali et al. 2004), ferric reducing antioxidant power (FRAP) (Benzie and Strain, 1996), and cupric reducing AC (CUPRAC) methods (Apak et al., 2008). In vitro digestion of the samples was employed according to the method of Minekus et al. Ultraperformance liquid chromatography analysis of the organic acids.

Comparison of Chilean honeys through MALDI-TOF-MS profiling and evaluation of their antioxidant and antibacterial potential

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The antioxidant activity of the honey was evaluated through the ferric reducing antioxidant power assay (FRAP) and the 1,1-diphenyl-2- picrylhydrazyl (DPPH) radical scavenging method.

Screening on antioxidant activity of vegetable and fruit by products

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Antioxidant activity and total phenolics in selected fruits, vegetables, and grain products. Ferric reducing/antioxidant power assay: Direct measure of total antioxidant activity of biological fluids and modified version for simultaneous measurement of total antioxidant power and ascorbic acid concentration

Co Van-Khang Oxy Hoa

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Phương pháp FRAP (ferric reducing-antioxidant power): lực chống oxi hóa bằng phương pháp khử sắt. Phương pháp reducing power: lực chống oxy hóa bằng phương pháp khử Fe - Phương pháp FTC: (ferric thiocyanat. Phương pháp Conjugated Diene: khảo sát nối đôi liên hợp. Phương pháp TEAC: Cation ABTS + [2,2’-azinobis(3-ethylbenzothiazoline-6-sulfonate)(ABTS)] là một gốc tự do bền. Khi chochất chống oxi hóa vào dung dịch chứa ABTS. các chất chống oxi hóa sẽ khử ion này thànhABTS.

Determination of the in vitro bioaccessibility of phenolic compounds and antioxidant capacity of Juniper berry (Juniperus drupacea Labill.) pekmez

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The ferric reducing ability of plasma (FRAP) as a measure of “antioxidant power”: the FRAP assay. doi: 10.1016/S Brodkorb A, Egger L, Alminger M, Alvito P, Assunção R et al. Chen GL, Chen SG, Zhao YY, Luo CX, Li J et al. Czubinski J, Wroblewska K, Czyzniejewski M, Górnaś P, Kachlicki P et al. Dantas AM, Mafaldo IM, Oliveira PM de L, Lima M dos S, Magnani M et al. doi: 10.1016/j.foodchem De Morais JS, Sant’Ana AS, Dantas AM, Silva BS, Lima MS et al.. de A et al.

Synthesis, antioxidant and antimicrobial properties of novel pyridyl-carbonyl thiazoles as dendrodoine analogs

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The ferric reducing ability of plasma (FRAP) as a measure of “antioxidant power”: the FRAP assay. doi: 10.1006/abio.1996.0292. doi: 10.1016/j.jpha . doi: 10.1039/c6ra28787e. doi: 10.1016/j.arabjc

First determination of some phenolic compounds and antimicrobial activities of Geranium ibericum subsp. jubatum: A plant endemic to Turkey

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The ferric reducing ability of plasma (FRAP) as a measure of ‘antioxidant power’: The FRAP assay. doi: 10.1006/abio.1996.0292. doi: 10.1016/j.. Comparison of total phenolic contents and antioxidant activities of different parts of the endemic plant Geranium ibericum subsp. doi: 10.21597/jist.553329 20. doi: 10.3390/molecules21070901.. doi:10.3390/ijms12128740. Doi:10.1021/jf904593n 24. 10.1111/j x. doi: 10.1016/. 10.1016/S . 10.1016/j.etap . doi: 10.1016/j.jpba .

Influence of different drying methods and cold storage treatments on the postharvest quality and nutritional properties of P. ostreatus mushroom

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The ferric reducing ability of plasma (FRAP) as a measure of “antioxidant power”: The FRAP assay.

GC-MS analyses and bioactivities of essential oil obtained from the roots of Chrysopogon zizanioides (L.) Roberty cultivated in Giresun, Turkey

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The ferric reducing ability of plasma (FRAP) as a measure of “antioxidant power”: the FRAP assay. doi: 10.1006/abio.1996.0292. doi: 10.1016/j.. Back to the roots—an overview of the chemical composition and bioactivity of selected root-essential oils. doi: 10.3390/molecules26113155. Chemical composition, antioxidant, and antimicrobial activities of Vetiveria zizanioides (L.) Nash essential oil extracted by carbon dioxide expanded ethanol. doi: 10.3390/molecules24101897 21.

Magnetite nanoparticles−based hydroxyl radical scavenging activity assay of antioxidants using N, N-dimethyl-p-phenylenediamine probe

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The ferric reducing ability of plasma (FRAP) as a measure of ‘antioxidant power’: the FRAP assay. doi: 10.1006/abio.1996.0292. doi: 10.1021/jf9807768. doi: 10.1021/jf9913458. doi: 10.1016/j.talanta . doi: 10.1016/j.aca . doi: 10.1039/C8AY02561D. doi: 10.1039/c9ay02027f. 10.1021/jf5017797. doi: 10.1038/nnano.2007.260. doi: 10.1016/j.ultsonch . doi: 10.1016/j.jhazmat . doi: 10.1021/ac702203f.

Hoạt tính kháng oxy hóa và kháng nấm của một số cao chiết thực vật thuộc họ gừng (Zingiberaceae) và họ củ nâu (Dioscoreaceae)

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Hàm lượng flavonoid tồn phần trong các cao chiết thuộc họ Gừng và họ Củ nâu được xác định dựa vào phương trình đường chuẩn quercetin.. 2.2.2 Khảo sát hoạt tính kháng oxy hĩa Phương pháp FRAP (ferric reducing- antioxidant power). Tiềm năng kháng oxy hố của các cao chiết trong nghiên cứu được xác định bằng cách sử dụng khả năng khử FRAP (Benzie et al., 1996). Cao chiết ở các nồng độ khác nhau (10 μL) được cho phản ứng với dung dịch FRAP (990 μL) trong 5 phút trong điều kiện tối.