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Phenolic antioxidants - Wiley Online Library Fifty phenolic antioxidants (AH) (42 individual compounds and 8 binary mixtures of two antioxidants) were chosen for a comparative analysis of their radical‐scavenging (H‐donating) and chain‐

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Phenolic antioxidants - Wiley Online Library

Fifty phenolic antioxidants (AH) (42 individual compounds and 8 binary mixtures of two antioxidants) were chosen for a comparative analysis of their radical‐scavenging (H‐donating) and chain‐breaking (antioxidant) activity. Correlations between experimental ...

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(PDF) Phenolic Antioxidants - ResearchGate

The anti-atherogenic activity of BO-653 was compared with those of α-tocopherol, probucol, and its metabolites. Furthermore, a novel function of phenolic antioxidants such as cell regulation and ...

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phenolic antioxidants - phenolic antioxidants online ...

phenolic antioxidants. All phenolic antioxidants wholesalers & phenolic antioxidants manufacturers come from members. We doesn't provide phenolic antioxidants products or service, please contact them directly and verify their companies info carefully.

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Natural phenolic antioxidants ... - Wiley Online Library

benzopyran derivatives, phenolic acids and ester derivatives, quinones, lignins, tan-nins, lignans, essential oils, stilbenes, curcuminoids, and chalcones, will be described. The final sections will focus on the electroanalysis of phenolic antioxidants in natural products and the electroanalytical evaluation of in vitro total antioxidant capacity.

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Phenolic antioxidants: Critical Reviews in Food Science ...

Phenolic antioxidants. Critical Reviews in Food Science and Nutrition: Vol. 32, No. 1, pp. 67-103. Skip to Main Content. Log in | Register Cart. On Monday 12 July 05:00 – 21:00 GMT, we’ll be making some site updates on Taylor & Francis Online. You’ll still be able to search, browse and read our articles, where access rights already apply ...

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Modification of the cellular antioxidant activity (CAA ...

When the CAA assay was employed to study phenolic antioxidants using hepatocarcinoma (HepG2) cells, quercetin showed antioxidant activity in HepG2 cells; 25 and 250μM quercetin reduced fluorescence by 17.1±0.9% and 58.6±2.4%, respectively. (+)-Catechin, a phenolic antioxidant present in many foods, bestowed virtually no CAA in HepG2 cells.

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Phenolic antioxidants from the heartwood of Acacia confusa

Phenolic antioxidants from the heartwood of Acacia confusa J Agric Food Chem. 2005 Jul 27;53(15):5917-21. doi: 10.1021/jf050550m. Authors Jyh-Horng Wu 1 , Yu-Tang Tung, Sheng-Yang Wang, Lie-Fen Shyur, Yueh-Hsiung Kuo, Shang-Tzen Chang. Affiliation 1 School of ...

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Phenolic antioxidants from herbs and spices

Spices and herbs are recognized as sources of natural antioxidants and thus play an important role in the chemoprevention of diseases resulting from lipid peroxidation. Our studies on spices and herbs have given us over a hundred compounds, known and new, having high antioxidant activity. From the L …

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PHENOLIC CONTENT AND ANTIOXIDANT ACTIVITY OF GERMINATED ...

for their total phenolic content and antioxidant activity after germination (12 and 24 h) and pressure cooking. Arhar had the highest total phenolic content (6.71 mg ferulic acid/g flour) whereas Moth had the least (1.54 mg/g). All pulses, except Moth, showed a signif-icant decrease in total phenolic content after germination.

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Antioxidant Activities, Phenolic Profiles, and Organic ...

Fruit vinegars are popular condiments worldwide. Antioxidants and organic acids are two important components of the flavors and health benefits of fruit vinegars. This study aimed to test the antioxidant activities, phenolic profiles, and organic acid contents of 23 fruit vinegars. The results found that the 23 fruit vinegars varied in ferric-reducing antioxidant power (FRAP, 0.15–23.52 ...

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Phenolic, apparent antioxidant and ... - Wiley Online Library

Antioxidants, especially phenolic compounds, have been hypothesised to protect cell constituents by combating oxidative stress, reducing the risk of various degenerative diseases relating to oxidative stress, such as cardiovascular disease, cancer and osteoporosis (Scalbert et al., 2011). However, this relationship has been questioned, with ...

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(PDF) Phenolic Antioxidants - ResearchGate

The anti-atherogenic activity of BO-653 was compared with those of α-tocopherol, probucol, and its metabolites. Furthermore, a novel function of phenolic antioxidants such as cell regulation and ...

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Antioxidant capacities and total phenolic contents of 56 ...

The antioxidant capacities of the extracts were evaluated using the ferric reducing antioxidant power (FRAP) and Trolox equivalent antioxidant capacity (TEAC) assays, and their total phenolic contents were measured by the Folin-Ciocalteu method. Most of these wild fruits were analyzed for the first time for their antioxidant activities.

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Phenolic profiles and antioxidant capacities of mulberry ...

ABTS, and DPPH assays, total phenolic contents and antioxidant capacities of 276 mulberry juice samples from four provinces in China were found to be within the following ranges: 412.55–1471.86 mg/L gallic acid equivalent, 37.90–361.75 mmol/mL ferrous sulfate equivalent, 46.12–342.13 mmol/mL

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Phenolic compounds and antioxidant properties of breeding ...

The breeding line YF53 has the highest total phenolic content (23.3mg ferulic acid equiv./g), total anthocyanin content (2.07 mg cyanidin-3-glu equiv./g), and antioxidant activities. The results indicate that it is possible to develop advanced breeding lines for improvement of the phenolic profiles and antioxidant capacity with high yield.

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Correlations between phenolic content and antioxidant ...

Context: Scientific information on antioxidant properties and phenolic content of less widely used plants can be useful. Therefore, the assessment of such properties remains an interesting and useful task, particularly for finding new sources for natural antioxidants, functional foods, and nutraceuticals.

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phenolic antioxidants - phenolic antioxidants online ...

phenolic antioxidants. All phenolic antioxidants wholesalers & phenolic antioxidants manufacturers come from members. We doesn't provide phenolic antioxidants products or service, please contact them directly and verify their companies info carefully.

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Phenolic antioxidants: Critical Reviews in Food Science ...

Phenolic antioxidants. Critical Reviews in Food Science and Nutrition: Vol. 32, No. 1, pp. 67-103. Skip to Main Content. Log in | Register Cart. On Monday 12 July 05:00 – 21:00 GMT, we’ll be making some site updates on Taylor & Francis Online. You’ll still be able to search, browse and read our articles, where access rights already apply ...

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Antioxidants | Free Full-Text | Characterization of ...

The effect of vinification techniques on phenolic compounds and antioxidant activity of wine lees are poorly understood. The present study investigated the antioxidant activity of white and red wine lees generated at early fermentation and during aging. In this study, the total phenol content (TPC), total tannin content (TTC), mean degree of polymerization (mDP), and antioxidant activities of ...

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Phenolic profile and antioxidant ... - Wiley Online Library

The phenolic components of honeys have great participation in their nutritional value and antioxidant activity. Moreover, phenolic components are promising markers for the determination of botanical and geographical origin of honey. The purpose of the present work was to study the antioxidant activity and profiles of phenolic acids and ...

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Phenolic Antioxidants - Mayzo

Overview. BNX 549 is a multifunctional antioxidant for the stabilization of plastics and elastomers. Unlike conventional phenolic antioxidants, BNX 549 is effective to scavenge alkyl (carbon-centered) radicals. The product is particularly active under demanding processing conditions (high temperature, high shear) and under anaerobic conditions.

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phenolic antioxidant - phenolic antioxidant online Wholesalers

phenolic antioxidant. All phenolic antioxidant wholesalers & phenolic antioxidant manufacturers come from members. We doesn't provide phenolic antioxidant products or service, please contact them directly and verify their companies info carefully.

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Phenolic Antioxidant - an overview | ScienceDirect Topics

Phenolic antioxidants are most effective when all the ortho and para positions are substituted and when one or two ortho substituent is a branched group such as tert-butyl. When the para substituent is methyl, ethyl or n-butyl the phenol is more effective than when it is tert butyl. Electron donor substituents increase and electron acceptor ...

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PHENOLIC CONTENT, ANTIOXIDANT ACTIVITY AND PALYNOLOGICAL ...

antioxidants such as vitamin C, phenolic acids, flavonoids and is a valuable natural product being used since the earliest times in history [3, 4]. Honeybees visit flowers of different crops, vegetables, medicinal and fruit plants to collect pollen and nectar. These plants are known as bee plants or bee flora. ...

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Phenolic Antioxidants - polymerdatabase.com

Summary Phenolic Antioxidants. are the most widely used primary antioxidants. They cause no or only little discoloration, are usually of no or low toxicity and are effective during both processing and long-term storage.. Phenolic antioxidants inhibit autooxidation of organic polymers by reducing the amount of peroxyl radicals during processing, storage and service.

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Antioxidant Activities, Phenolic Profiles, and Organic ...

Fruit vinegars are popular condiments worldwide. Antioxidants and organic acids are two important components of the flavors and health benefits of fruit vinegars. This study aimed to test the antioxidant activities, phenolic profiles, and organic acid contents of 23 fruit vinegars. The results found that the 23 fruit vinegars varied in ferric-reducing antioxidant power (FRAP, 0.15–23.52 ...

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Phenolic profiles and antioxidant capacities of mulberry ...

ABTS, and DPPH assays, total phenolic contents and antioxidant capacities of 276 mulberry juice samples from four provinces in China were found to be within the following ranges: 412.55–1471.86 mg/L gallic acid equivalent, 37.90–361.75 mmol/mL ferrous sulfate equivalent, 46.12–342.13 mmol/mL

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Sources of natural phenolic antioxidants - ScienceDirect

The antioxidant hypothesis says that ‘as antioxidants can prevent oxidative damages, increased intakes from the diet will also reduce the risks of chronic diseases’ (Stanner Hughes, Kelly, & Buttriss, 2004). This explains the huge volume of research work and the efforts of many researchers to link diets rich in natural antioxidants with ...

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Antioxidant Activities, Phenolic Profiles, and Organic ...

Fruit vinegars are popular condiments worldwide. Antioxidants and organic acids are two important components of the flavors and health benefits of fruit vinegars. This study aimed to test the antioxidant activities, phenolic profiles, and organic acid contents of 23 fruit vinegars. The results found that the 23 fruit vinegars varied in ferric-reducing antioxidant power (FRAP, 0.15–23.52 ...

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Antioxidant Capacity and Phenolic Content of Sweet ...

Sweet rowanberry cultivars adapted to northern climates have been developed from rowanberries (Sorbus aucuparia L.) and hybrids of rowanberry with Malus, Pyrus, Aronia, or Mespilus. The rowanberries studied here (cvs. Burka, Dessertnaja, Eliit, Granatnaja, Kubovaja, Rosina, Rubinovaja, Titan, and Zholtaja) have high antioxidant and phenolic contents. The phenolic content varied between 550 and ...

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