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1. Phenolic modification of myofibrillar protein enhanced by ultrasound: The structure of phenol matters

Author:
Jiahui Chen; Xing Zhang; Xing Chen; Anthony Pius Bassey; Guanghong Zhou; Xinglian Xu
Source:
Food chemistry 2022 v.386 pp. 132662
ISSN:
0308-8146
Subject:
epicatechin,   etc   ; chemical structure; epigallocatechin gallate; food chemistry; meat; oxidation; phenol; polyphenols; ultrasonics;     Show all 9 Subjects
Abstract:
... Phenolic modification of myofibrillar protein (MPN) is an essential technology in meat processing. This paper investigated the grafting reaction of three structurally relevant polyphenols (PPs), epigallocatechin-3-gallate (EGCG), epigallocatechin (EGC), epicatechin (EC), and MPN, in a conventional alkaline reaction and ultrasound (UT)-assisted oxidation system. EC triggered the production of more ...
DOI:
10.1016/j.foodchem.2022.132662

2. Fruit Waste as a Matrix of Health-Promoting Compounds in the Production of Corn Snacks

Author:
Dorota Gumul; Rafal Ziobro; Marek Kruczek; Justyna Rosicka-Kaczmarek
Source:
International Journal of Food Sciences 2022 v.2022 pp. -
ISSN:
2314-5765
Subject:
epicatechin,   etc   ; antioxidant activity; apples; catechin; corn; dietary fiber; extrusion; fruits; health promotion; phloridzin; procyanidins; wastes;     Show all 12 Subjects
Abstract:
... Extrusion is an industrial technology allowing utilization of fruit-based off-products, rich in bioactive and prohealth compounds, in the production of gluten-free snacks. The use of up to 20% fruit waste (apple waste) in the production of such snacks results in significant increases of polyphenols and flavonoids, as well as individual phenolic acids: chlorogenic (36 times) and cryptochlorogenic ( ...
DOI:
10.1155/2022/7341118

3. Rapid screening of unground cocoa beans based on their content of bioactive compounds by NIR spectroscopy

Author:
Carolina Hernández-Hernández; Víctor M. Fernández-Cabanás; Guillermo Rodríguez-Gutiérrez; África Fernández-Prior; Ana Morales-Sillero
Source:
Food control 2022 v.131 pp. 108347
ISSN:
0956-7135
Subject:
epicatechin,   etc   ; bioactive compounds; cotyledons; fermentation; food safety; germplasm; hulls; lipid content; near-infrared spectroscopy; theobromine;     Show all 10 Subjects
Abstract:
... Near Infrared (NIR) spectroscopy was evaluated as a fast and easy method for identifying the most interesting cocoa genotypes according to chemical composition, including bioactive compound contents, in more than 80 samples of cocoa beans from the Mexican Germplasm Bank, which were harvested over three years. Clear differences in chemical composition were detected in fermented and dried samples am ...
DOI:
10.1016/j.foodcont.2021.108347

4. Chemotaxonomic characterization of hop genotypes based on profiling of proanthocyanidins using liquid chromatography coupled with high-resolution accurate mass spectrometry.

Author:
Alexandr Mikyška; Martin Dušek; Vladimíra Jandovská; Jana Olšovská; Tomáš Vrzal
Source:
Journal of food composition and analysis 2022 pp. 104702
ISSN:
0889-1575
Subject:
epicatechin,   etc   ; catechin; chemotaxonomy; cluster analysis; dietary supplements; epigallocatechin; food composition; genotype; liquid chromatography; mass spectrometry; proanthocyanidins;     Show all 11 Subjects
Abstract:
... To determine the varietal specificity of the composition of proanthocyanidins (PACs) in hops, a fast and simple method of liquid chromatography coupled with high-resolution accurate mass spectrometry for qualitative profiling of PACs was developed. A total of 140 samples of 19 hop varieties were analysed. Three (epi)catechin-(epi)afzelechin dimers, six (epi)catechin-(epi)catechin dimers, four (epi ...
DOI:
10.1016/j.jfca.2022.104702

5. Proanthocyanidin Tetramers and Pentamers from Cinnamomum verum Bark and Their Dentin Biomodification Bioactivities

Author:
Shu-Xi Jing; Yvette Alania; Mariana Reis; James B. McAlpine; Shao-Nong Chen; Ana K. Bedran-Russo; Guido F. Pauli
Source:
Journal of natural products 2022 v.85 no.2 pp. 391-404
ISSN:
1520-6025
Subject:
epicatechin,   etc   ; Cinnamomum verum; bark; bioactive properties; biomechanics; chemical degradation; collagen; countercurrent chromatography; infrared spectroscopy; models; proanthocyanidins;     Show all 11 Subjects
Abstract:
... To enable the further exploration of structure–activity relationships (SARs) of proanthocyanidins (PACs) with dentin biomodification abilities, Cinnamomum verum was selected for scaled-up purification of mixed A-/B-type, medium-size PAC oligomers. Sequential purification by centrifugal partition chromatography (CPC), Sephadex LH-20, and semiprep HPLC chromatography yielded four underivatized tetra ...
DOI:
10.1021/acs.jnatprod.1c00972

6. Chlorogenic acid and Epicatechin: An efficient inhibitor of heterocyclic amines in charcoal roasted lamb meats

Author:
Xiaoqian Ding; Dequan Zhang; Huan Liu; Zhenyu Wang; Teng Hui
Source:
Food chemistry 2022 v.368 pp. 130865
ISSN:
0308-8146
Subject:
epicatechin,   etc   ; charcoal; chlorogenic acid; food chemistry; fructose; glucose; isoleucine; lysine; polyphenols; quercetin; quinic acid; ribose; rutin; valine;     Show all 14 Subjects
Abstract:
... There are few studies on controlling the formation of heterocyclic amines (HAs) by adding polyphenols to roasted lamb. The aim of this study was to assess the inhibitory effect of 0.025, 0.125, and 0.625 mmol of chlorogenic acid, epicatechin, rutin, quercetin and quinic acid on the formation of HAs in charcoal roasted lamb, respectively, by UHPLC-MS/MS. The results indicated that Harman, Norharman ...
DOI:
10.1016/j.foodchem.2021.130865

7. Chemical Diversity of Flavan-3-Ols in Grape Seeds: Modulating Factors and Quality Requirements

Author:
Guillermo F. Padilla-González; Esther Grosskopf; Nicholas J. Sadgrove; Monique S. J. Simmonds
Source:
Plants 2022 v.11 no.6 pp. -
ISSN:
2223-7747
Subject:
epicatechin,   etc   ; adulterated products; biosynthesis; catechin; chemistry; cultivars; dietary supplements; genotype; grape seeds; grapes; horticulture; industry; metabolites; metabolome; polymers; procyanidins;     Show all 16 Subjects
Abstract:
... Grape seeds are a rich source of flavan-3-ol monomers, oligomers, and polymers. The diverse profile of compounds includes mainly B-type procyanidins (especially C4→C8 linked molecules) and the key monomers, catechin, and epicatechin that are positively implicated in the ‘French Paradox’. Today grape seed nutraceuticals have become a multi-million-dollar industry. This has created incentives to elu ...
DOI:
10.3390/plants11060809

8. Comparative Evaluation of the Potential Antitumor of Helleborus purpurascens in Skin and Breast Cancer

Author:
Ciprian Nicolae Pilut; Aniko Manea; Ioana Macasoi; Amadeus Dobrescu; Doina Georgescu; Roxana Buzatu; Alin Faur; Stefania Dinu; Doina Chioran; Iulia Pinzaru; Monica Hancianu; Cristina Dehelean; Daniel Malița
Source:
Plants 2022 v.11 no.2 pp. -
ISSN:
2223-7747
Subject:
epicatechin,   etc   ; Helleborus; antineoplastic activity; antioxidant activity; apoptosis; ascorbic acid; breast neoplasms; cancer therapy; cell lines; cytotoxicity; kaempferol; neoplasm cells; quercetin;     Show all 13 Subjects
Abstract:
... In the field of oncology, the plant kingdom has an inexhaustible supply of bioactive compounds. Phytochemical compounds isolated from Helleborus species have been found to be useful in various chronic diseases. This has brought Helleborus to the attention of medical researchers. H. purpurascens is a plant characteristic of the Carpathian area, known since ancient times for its beneficial effects. ...
DOI:
10.3390/plants11020194

9. Identification of the main phenolic compounds responsible for the antioxidant activity of Litsea glaucescens Kunth

Author:
López-Romero Julio César; Hernandez Javier; Ayala-Zavala Jesús Fernando; Velázquez Carlos; Robles-Zepeda Ramón Enrique; Alday Efrain; Martínez-Benavidez Evelin; Higuera-Ciapara Inocencio; Olivares José Luis; Domínguez Zaira; González-Ríos Humberto
Source:
South African journal of botany 2022 v.147 pp. 208-214
ISSN:
0254-6299
Subject:
epicatechin,   etc   ; Litsea glaucescens; antioxidant activity; antioxidants; chromatography; indigenous species; kaempferol; nuclear magnetic resonance spectroscopy; quercitrin; traditional medicine; Central America; Mexico;     Show all 12 Subjects
Abstract:
... Litsea glaucescens is a native plant from Mexico and Central America known as laurel, and they leaves are commonly used as food seasoning and traditional medicine, however, there is not enough information about its biological activities, as antioxidant and the compounds responsible of this activity. The antioxidant activity and the total phenolic content of a methanolic extract of L. glaucescens l ...
DOI:
10.1016/j.sajb.2022.01.012

10. (+)‐Catechin, epicatechin and epigallocatechin gallate are important inducible defensive compounds against Ectropis grisescens in tea plants

Author:
Xiwang Li; Jin Zhang; Songbo Lin; Yuxian Xing; Xin Zhang; Meng Ye; Yali Chang; Huawei Guo; Xiaoling Sun
Source:
Plant, cell and environment 2022 v.45 no.2 pp. 496-511
ISSN:
0140-7791
Subject:
epicatechin,   etc   ; Camellia sinensis; Ectropis grisescens; artificial diets; auxins; biosynthesis; catechin; environment; epigallocatechin gallate; ethylene; jasmonic acid; larval development; pests; tea; woody plants;     Show all 15 Subjects
Abstract:
... The tea plant, Camellia sinensis (L.) O. Kuntze, is an economically important, perennial woody plant rich in catechins. Although catechins have been reported to play an important role in plant defences against microbes, their roles in the defence of tea plants against herbivores remain unknown. In this study, we allowed the larvae of Ectropis grisescens, a leaf‐feeding pest, to feed on the plants, ...
DOI:
10.1111/pce.14216

11. Antimicrobial activity of phenolics isolated from the pruning wood residue of European plum (Prunus domestica L.)

Author:
Juan Ortega-Vidal; Antonio Cobo; Elena Ortega-Morente; Antonio Gálvez; Macarena Martínez-Bailén; Sofía Salido; Joaquín Altarejos
Source:
Industrial crops and products 2022 v.176 pp. 114296
ISSN:
0926-6690
Subject:
epicatechin,   etc   ; Enterobacter; Prunus domestica; antimicrobial properties; bacteria; biocides; biofilm; catechin; countercurrent chromatography; glucosides; high performance liquid chromatography; proanthocyanidins; tomatoes; trees; wood; wood residues;     Show all 16 Subjects
Abstract:
... European plum (Prunus domestica L.) is a tree cultivated in many countries for its edible fruits, and necessarily certain amounts of useless woody residues are generated every year during pruning works. The objectives of this research were to recover the phenolics present on that wood wastes and study their antimicrobial and antibiofilm activities against a selection of foodborne microorganisms, i ...
DOI:
10.1016/j.indcrop.2021.114296

12. Metabolic regulation of (−)-epicatechin and the colonic metabolite 2,3-dihydroxybenzoic acid on the glucose uptake, lipid accumulation and insulin signalling in cardiac H9c2 cells

Author:
Esther García-Díez; María Elvira López-Oliva; Jara Pérez-Jiménez; María Angeles Martín; Sonia Ramos
Source:
Food & function 2022 v.13 no.10 pp. 5602-5615
ISSN:
2042-650X
Subject:
epicatechin,   etc   ; carnitine palmitoyltransferase; death; energy metabolism; fatty-acid synthase; glucose; heart; insulin; insulin receptors; lipids; mechanism of action; metabolites; phosphatidylinositol 3-kinase; tyrosine;     Show all 14 Subjects
Abstract:
... Epicatechin (EC) and main colonic phenolic acids derived from flavonoid intake have been suggested to exert healthful effects, although their mechanism of action remains unknown. Heart damage is highly prevalent in metabolic diseases, and the failure of this organ is a major cause of death worldwide. In this study, the modulation of the energy metabolism and insulin signalling by the mentioned com ...
DOI:
10.1039/d2fo00182a

13. Phenolic compounds are dependent on cultivation conditions in face of UV-C radiation in ‘Concord’ grape juices (Vitis labrusca)

Author:
Ellen Porto Pinto; Ellen Cristina Perin; Igor Bulsing Schott; Elisângela Düsman; Rosane da Silva Rodrigues; Luciano Lucchetta; Vitor Manfroi; Cesar Valmor Rombaldi
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.154 pp. 112681
ISSN:
0023-6438
Subject:
epicatechin,   etc   ; Vitis labrusca; anthocyanins; antioxidant activity; color; cyanidin; delphinidin; grape juice; grapes; growth and development; kaempferol; malvidin; metabolism; metabolites; pH; quercetin; titratable acidity;     Show all 17 Subjects
Abstract:
... Grape juice is known as a relevant source of compounds with antioxidant potential, which are accumulated during grape growth and development. As these compounds come from specialized metabolism, postharvest stressors may increase the synthesis and accumulation of these metabolites. Thus, UV-C radiation (65.6 J m⁻²) was applied to ‘Concord’ grapes (from vineyards grown in conventional and organic s ...
DOI:
10.1016/j.lwt.2021.112681

14. Polyphenol oxidase and enzymatic browning in apricot (Prunus armeniaca L.): Effect on phenolic composition and deduction of main substrates

Author:
Ala eddine Derardja; Matthias Pretzler; Ioannis Kampatsikas; Milena Radovic; Anna Fabisikova; Martin Zehl; Malika Barkat; Annette Rompel
Source:
Current research in food science 2022 v.5 pp. 196-206
ISSN:
2665-9271
Subject:
epicatechin,   etc   ; Escherichia coli; Prunus armeniaca; active sites; antioxidant activity; apricots; catechin; catechol oxidase; enzyme kinetics; heterologous gene expression; molecular weight; pH; procyanidins; research;     Show all 14 Subjects
Abstract:
... In this study, we investigate the effect of enzymatic browning on the phenolic composition of apricot in vivo and in vitro. The in vitro browning was caused by the recombinant latent apricot polyphenol oxidase (L-PaPPO). Successful heterologous expression of PaPPO in Escherichia coli yielded substantial amounts of enzyme containing both copper ions in the catalytic active site. The expressed L-PaP ...
DOI:
10.1016/j.crfs.2021.12.015

15. Stability evaluation of gardenia yellow pigment in presence of different phenolic compounds

Author:
Jun Wu; Xiaona Wang; Yu He; Jieying Li; Keke Ma; Yifan Zhang; Haoran Li; Caiping Yin; Yinglao Zhang
Source:
Food chemistry 2022 v.373 pp. 131441
ISSN:
0308-8146
Subject:
epicatechin,   etc   ; Fourier transform infrared spectroscopy; caffeic acid; chemical degradation; chlorogenic acid; color; dyes; epigallocatechin gallate; food chemistry; hydrogen; nuclear magnetic resonance spectroscopy; rosmarinic acid; tannins;     Show all 13 Subjects
Abstract:
... Gardenia yellow pigment (GYP) may undergo chemical degradation under different conditions resulting in color fading. This study investigated the effects of different phenolic compounds (caffeic acid, rosmarinic acid, tannic acid, epicatechin, chlorogenic acid, epigallocatechin, and epigallocatechin gallate) on the physical and chemical stability of GYP under light and different temperatures. Furth ...
DOI:
10.1016/j.foodchem.2021.131441

16. The influence of probiotic fermentation on the active compounds and bioactivities of walnut flowers

Author:
Yue‐Rong Ru; Zhen‐Xing Wang; Ya‐Jing Li; Huan Kan; Kin‐Weng Kong; Xue‐Chun Zhang
Source:
Journal of food biochemistry 2022 v.46 no.4 pp. e13887
ISSN:
0145-8884
Subject:
epicatechin,   etc   ; Lactobacillus casei; Lactobacillus delbrueckii subsp. bulgaricus; Lactobacillus plantarum; Lactobacillus rhamnosus; antioxidant activity; antioxidants; catechin; culture media; fermentation; fermented foods; functional foods; probiotics; walnuts; China;     Show all 15 Subjects
Abstract:
... In this study, the walnut flowers were fermented using five different probiotics, including two Lactobacillus plantarum, one Lactobacillus bulgaricus, one Lactobacillus casei, and one Lactobacillus rhamnosus. The chemical compositions, antioxidant capacities, and α‐glucosidase inhibitory abilities of walnut flowers during fermentation processes were evaluated. The results showed that all the activ ...
DOI:
10.1111/jfbc.13887

17. An Innovative Prosopis cineraria Pod Aqueous Waste as Natural Inhibitor for Enhancing Unsaturated Lipids Production in Yeast Cell Using Banana Peel

Author:
Shivani Chaturvedi; Prashant Kumar; Deepak Kumar; Naziya Syed; Madhuri Gupta; Chandan Singh Chanotiya; Prasant Kumar Rout; Sunil Kumar Khare
Source:
Waste and biomass valorization 2022 v.13 no.7 pp. 3113-3126
ISSN:
1877-2641
Subject:
epicatechin,   etc   ; Prosopis cineraria; Rhodotorula rubra; banana peels; biomass; biotransformation; carbon; ellagic acid; epigallocatechin; ergosterol; food waste; gallic acid; glucose; oils; oxidoreductases; quercetin; rutin; solvents; sucrose; yeasts;     Show all 20 Subjects
Abstract:
... Single cell oil (SCO) produced by yeast is an attractive alternative due to higher yield of lipid in a limited space with opportunity for naturally manipulating its quality. In the present study, the banana peel is used as a source of carbon for biotransformation by Rhodotorula mucilaginosa to lipid. Further, the quality and quantity of the lipid are enhanced using discarded aqueous Prosopis ciner ...
DOI:
10.1007/s12649-022-01741-w

18. Pisco grape pomace: Iron/copper speciation and antioxidant properties, towards their comprehensive utilization

Author:
Fátima Rodríguez-Ramos; Raúl Cañas-Sarazúa; Vilbett Briones-Labarca
Source:
Food bioscience 2022 v.47 pp. 101781
ISSN:
2212-4292
Subject:
epicatechin,   etc   ; antioxidants; catechin; circular economy; crude protein; flour; grape pomace; ingredients; iron; organic matter; oxygen radical absorbance capacity; polyphenols; potassium; pyrogallol; value added; wine industry; Chile;     Show all 17 Subjects
Abstract:
... The pisco and wine industry produces hundreds of tons of grape pomace each year in Chile, generating environmental problems, and demanding urgent strategies for its management. The aim of this work was to study the pisco grape pomace based on a physicochemical characterization, an iron/copper speciation analysis, and the optimization for polyphenols recovery, establishing the polyphenolic profile, ...
DOI:
10.1016/j.fbio.2022.101781

19. Comparison of superior bred strawberry genotypes with popular cultivars in terms of fruit bioactive compounds over the full range of harvest dates

Author:
Mehmet Ali Sarıdaş; Erdal Ağçam; Furkan Cihad Akbaş; Asiye Akyıldiz; Sevgi Paydaş Kargı
Source:
South African journal of botany 2022 v.147 pp. 142-152
ISSN:
0254-6299
Subject:
epicatechin,   etc   ; Mediterranean climate; anthocyanins; antioxidant activity; chlorogenic acid; cultivars; cyanidin; ellagic acid; ferulic acid; fruits; genotype; glucosides; harvest date; human health; irrigation; pelargonidin; quercetin; rutin; sinapic acid; strawberries;     Show all 20 Subjects
Abstract:
... Secondary compounds of fruit are among the essential concerns due to their positive effects on human health. Many studies have attempted to improve these compounds by applying different genotype or cultivation practices such as irrigation and fertilization. This study aimed to find out the effect of different harvest dates on strawberry genotypes in terms of total phenolic (TP), total antioxidant ...
DOI:
10.1016/j.sajb.2022.01.010

20. Microencapsulated functional ingredients from a Moringa oleifera leaf polyphenol-rich extract: Characterization, antioxidant properties, in vitro simulated digestion, and storage stability

Author:
Phanita Vonghirundecha; Sasitorn Chusri; Pisipong Meunprasertdee; Thammarat Kaewmanee
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.154 pp. 112820
ISSN:
0023-6438
Subject:
epicatechin,   etc   ; Moringa oleifera; antioxidant activity; bioavailability; chlorogenic acid; ellagic acid; food industry; functional foods; in vitro digestion; leaf extracts; leaves; maltodextrins; microencapsulation; myricetin; oxidative stress; storage quality; temperature;     Show all 17 Subjects
Abstract:
... Functional ingredients, particularly Moringa oleifera, have been highlighted as promising substances for combatting the harmful effects of oxidative stress. However, the physicochemical factors can easily influence its properties. To overcome this problem, this study aimed to achieve the microencapsulation of its leaf extract (CE-L) and phenolic-rich fraction (EF-L) and evaluate their chemical con ...
DOI:
10.1016/j.lwt.2021.112820