U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject "phenolic compounds" Remove constraint Subject: "phenolic compounds"
Start Over

Search

14,392  Search Results

« Previous | 1 - 20 of 14,392 |
Number of results to display per page

Search Results

1. Influence of manual and mechanical grape harvest on Merlot wine composition

Author:
Suélen Braga de Andrade Kaltbach; Pedro Kaltbach; Cristina Gonçalves Santos; Wellynthon Cunha; Marcelo Giacomini; Fabrício Domingues; Marcelo Malgarim; Flávio Gilberto Herter; Vagner Brasil Costa; José António Couto
Source:
Journal of food composition and analysis 2022 v.110 pp. 104548
ISSN:
0889-1575
Subject:
phenolic compounds,   etc   ; food composition; grapes; wines; Brazil;     Show all 5 Subjects
Abstract:
... Effects of mechanical and manual grape harvest on the composition of Merlot musts and wines produced in the Campanha Gaúcha region (Rio Grande do Sul, Brazil) were investigated. Must analyses comprised several basic physicochemical parameters. Wine analyses comprised a screening of phenolics, volatiles, elements, and several physicochemical parameters. In total, 100 variables were investigated. Wi ...
DOI:
10.1016/j.jfca.2022.104548

2. Compositional and Morphological Characterization of ‘Sorrento’ and ‘Chandler’ Walnuts

Author:
R. Romano; L. De Luca; M. Vanacore; A. Genovese; C. Cirillo; A. Aiello; R. Sacchi
Source:
Foods 2022 v.11 no.5 pp. -
ISSN:
2304-8158
Subject:
phenolic compounds,   etc   ; biometry; ecotypes; lipid content; walnuts; Italy;     Show all 6 Subjects
Abstract:
... In Italy, most of the cultivated walnuts belong to the Sorrento ecotype, and they are considered commercially valuable due to their specific organoleptic characteristics. The aim of this study is to evaluate and compare the morphological and compositional characteristics of walnuts sampled from ‘Sorrento’ trees cultivated in different locations in Campania and trees of both the ‘Chandler’ and ‘Sor ...
DOI:
10.3390/foods11050761

3. Activation of persulfate by LaFe1-xCoxO3 perovskite catalysts for the degradation of phenolics: Effect of synthetic method and metal substitution

Author:
A. Margellou; D. Manos; D. Petrakis; I. Konstantinou
Source:
Science of the total environment 2022 v.832 pp. 155063
ISSN:
0048-9697
Subject:
phenolic compounds,   etc   ; anionic surfactants; catalytic activity; combustion; decontamination; environment;     Show all 6 Subjects
Abstract:
... The presence of resistant organic pollutants in environmental substrates requires the development and finding of novel decontamination methods. Advanced oxidation processes are among the most effective methods used for degradation of these pollutants through their oxidation and degradation into non-toxic and harmless, for the environment, final products. Ιn this research, a series of perovskites o ...
DOI:
10.1016/j.scitotenv.2022.155063

4. Noncatalytic hydropyrolysis of lignin in a high pressure micro-pyrolyzer

Author:
Huiyuan Wang; Tan Li; Jing Su; Kai Miao; Kaige Wang
Source:
Fuel processing technology 2022 v.233 pp. 107289
ISSN:
0378-3820
Subject:
phenolic compounds,   etc   ; benzene; hydrogen; hydrogenation; lignin; methane; pyrolysis; temperature; vapors;     Show all 9 Subjects
Abstract:
... Lignin hydropyrolysis was investigated in a high-pressure micro-reactor with on-line analysis characterization of products. The influences of atmosphere, pressure, and temperature on product formation during lignin pyrolysis were quantitatively discussed. The presence of hydrogen, elevated pressure and temperature favored the production of condensable vapors and permanent gas while inhibited the f ...
DOI:
10.1016/j.fuproc.2022.107289

5. Crystal-phase-depended strong metal-support interactions enhancing hydrodeoxygenation of m-cresol on Ni/TiO2 catalysts

Author:
Beilei Cui; Hua Wang; Jinyu Han; Qingfeng Ge; Xinli Zhu
Source:
Journal of catalysis 2022 pp. -
ISSN:
0021-9517
Subject:
phenolic compounds,   etc   ; atmospheric pressure; biomass; catalysts; catalytic activity; temperature; toluene;     Show all 7 Subjects
Abstract:
... The relatively cheap and abundant Ni as a catalyst for hydrodeoxygenation (HDO) of biomass lignin-derived phenolics at 350 °C and atmospheric pressure suffers from unfavorable C-C hydrogenolysis toward CH₄ with a lower direct deoxygenation (DDO) activity. Herein, we demonstrate that the activity and selectively of Ni for HDO of m-cresol can be modified through the differences of strong metal-suppo ...
DOI:
10.1016/j.jcat.2022.07.039

6. Influence of asphalt-derived volatiles on property of the biochar from pyrolysis of sawdust

Author:
Chao Li; Yifan Sun; Guoming Gao; Li Qiu; Lijun Zhang; Dehua Dong; Shu Zhang; Xun Hu
Source:
Fuel processing technology 2022 v.234 pp. 107343
ISSN:
0378-3820
Subject:
phenolic compounds,   etc   ; biochar; biomass; bitumen; carbonization; coal; graphene; pyrolysis; sawdust;     Show all 9 Subjects
Abstract:
... Inorganics are an important fraction of coal and they could involve the in co-pyrolysis of biomass and coal. In this study, to exclude interference of inorganics of coal and focus on exclusively the potential interaction of the volatiles from coal with that from biomass, the co-pyrolysis of asphalt and sawdust was conducted. The hydrocarbon radicals from asphalt could interact with the sawdust der ...
DOI:
10.1016/j.fuproc.2022.107343

7. Exogenous methyl jasmonate regulates phenolic compounds biosynthesis during postharvest tomato ripening

Author:
Xiaoya Tao; Qiong Wu; Jiayin Li; Suqing Huang; Luyun Cai; Linchun Mao; Zisheng Luo; Li Li; Tiejin Ying
Source:
Postharvest biology and technology 2022 v.184 pp. 111760
ISSN:
0925-5214
Subject:
phenolic compounds,   etc   ; biosynthesis; elicitors; flavonoids; fruits; genes; methyl jasmonate; tomatoes;     Show all 8 Subjects
Abstract:
... Methyl jasmonate (MeJA) acts as an elicitor to stimulate phenolic compounds in fruit and vegetables. To explore the regulation of MeJA on phenolic compounds biosynthesis during postharvest tomato ripening, mature green tomato fruit were treated by 0.5 mM MeJA or deionized water under vacuum, and then kept in darkness for 16 d. Total phenolics and total flavonoids contents, phenolic compounds conte ...
DOI:
10.1016/j.postharvbio.2021.111760

8. Thermal degradation of phenolics and their carbon fiber derived composites: A feasible protocol to assess the heat capacity as a function of temperature through the use of common DSC and TGA analysis

Author:
Maurizio Natali; Luigi Torre; Ivan Puri; Marco Rallini
Source:
Polymer degradation and stability 2022 v.195 pp. 109793
ISSN:
0141-3910
Subject:
phenolic compounds,   etc   ; carbon; carbon fibers; heat; polymers; temperature; thermal degradation;     Show all 7 Subjects
Abstract:
... Carbon/Phenolic Composites (CPCs) are among most important Thermal Protection System (TPS) materials. In addition to the challenges related to the manufacturing issues - partially covered in this paper - the possibility to properly characterize the thermo-physical and thermo-mechanical properties of CPCs is extremely important. These data are not only used to size the TPS of a space vehicle or the ...
DOI:
10.1016/j.polymdegradstab.2021.109793

9. Effects of rice bran phenolics on the structure of rice bran protein under different degrees of rancidity

Author:
Benpeng Zhang; Helin Li; Fang Li; Qi Zhou; Xiaojuan Wu; Wei Wu
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.167 pp. 113812
ISSN:
0023-6438
Subject:
phenolic compounds,   etc   ; disulfides; fluorescence; hydrophobicity; oxidation; rancidity; rice bran; synergism; wavelengths;     Show all 9 Subjects
Abstract:
... To explore the effects of rice bran endogenous phenolics on rice bran protein under rice bran rancidity-induced oxidation, the structure of non-dephenolized and dephenolized rice bran protein with different degrees of rice bran rancidity (rice bran was stored for 0, 1, 3, 5, and 10 d) were investigated. During rice bran storage, dephenolization increased the carbonyl (from 5.32-24.59 to 6.11–26.52 ...
DOI:
10.1016/j.lwt.2022.113812

10. Impact of fresh olive leaves addition during the extraction of Arbequina virgin olive oils on the phenolic and volatile profiles

Author:
Ítala M.G. Marx; Susana Casal; Nuno Rodrigues; Rebeca Cruz; Fátima Peres; Ana C.A. Veloso; José A. Pereira; António M. Peres
Source:
Food chemistry 2022 v.393 pp. 133327
ISSN:
0308-8146
Subject:
phenolic compounds,   etc   ; apples; biosynthesis; enzyme activity; food chemistry; lipoxygenases; olives; secoiridoids;     Show all 8 Subjects
Abstract:
... Leaves incorporation during the extraction of olive oils can enhance their chemical-sensory quality. Thus, leaves from cvs. Arbequina or Santulhana were added (1%, w/w) during the extraction of Arbequina oils using an Abencor system, being discussed the impacts on the phenolics and volatiles formation enzymatic pathways. Leaves addition contributed to a significant decrease (P-value < 0.05) of the ...
DOI:
10.1016/j.foodchem.2022.133327

11. Oxidation and flavor changes in smoked bacon cured using bamboo extract concentrate combined with bamboo poles during storage

Author:
Yunqi Zhang; Zhoumiao Yun; Meilin Zhu; Zhijun Liu; Yechuan Huang
Source:
Journal of food processing and preservation 2022 v.46 no.5 pp. e16556
ISSN:
0145-8892
Subject:
phenolic compounds,   etc   ; bacon; bamboos; flavor; leaf extracts; liquids; nitrites; odors; oxidation;     Show all 9 Subjects
Abstract:
... In this study, bamboo leaf extract concentrate was used as a curing liquid to delay the oxidation of bacon while having the unique fragrance combined with different proportions of bamboo poles and cypress [1⁚0 (A), 2⁚1 (B), 1⁚1 (C), and 0⁚1 (D)] for smoking. The results indicated that the oxidation degree and residual nitrite content of the four groups remained lower during the whole storage. As f ...
DOI:
10.1111/jfpp.16556

12. Postharvest UV radiation enhanced biosynthesis of flavonoids and carotenes in bell peppers

Author:
Noelia Castillejo; Lorena Martínez-Zamora; Francisco Artés-Hernández
Source:
Postharvest biology and technology 2022 v.184 pp. 111774
ISSN:
0925-5214
Subject:
phenolic compounds,   etc   ; biosynthesis; flavonoids; refrigeration; secondary metabolites; shelf life; ultraviolet radiation;     Show all 7 Subjects
Abstract:
... UV abiotic stresses have beneficial effects in plants inducing the synthesis of secondary metabolites when low doses were applied. The aim of this study was to evaluate the effect of 6 kJ m⁻² UV (B or C) and 6 + 6 kJ m⁻² UV (B + C) on the main bioactive compounds of red bell peppers during a refrigerated shelf-life period. Changes in carotenoids, phenolics, and flavonoids were studied after 8 and ...
DOI:
10.1016/j.postharvbio.2021.111774

13. Bibliometric Analysis of Trends in Mulberry and Silkworm Research on the Production of Silk and Its By-Products

Author:
Domenico Giora; Giuditta Marchetti; Silvia Cappellozza; Alberto Assirelli; Alessio Saviane; Luigi Sartori; Francesco Marinello
Source:
Insects 2022 v.13 no.7 pp. -
ISSN:
2075-4450
Subject:
phenolic compounds,   etc   ; Bombyx mori; bibliometric analysis; databases; flavonoids; mulberries; sericulture; silk; silkworms;     Show all 9 Subjects
Abstract:
... Traditionally, sericulture is meant as the agricultural activity of silk production, from mulberry (Morus sp.pl.) cultivation to silkworm (Bombyx mori L.) rearing. The aim of the present work is to analyze the trends and outputs of scientific research on sericulture-related topics during the last two decades, from 2000 to 2020. In this work the authors propose a text-mining analysis of the titles, ...
DOI:
10.3390/insects13070568

14. Effect of high-pressure processing on the bioaccessibility of phenolic compounds from cloudy hawthorn berry (Crataegus pinnatifida) juice

Author:
Xinman Lou; Juanjuan Xiong; Huaixiang Tian; Haiyan Yu; Chen Chen; Juan Huang; Haibin Yuan; Milford Hanna; Long Yuan; Huaide Xu
Source:
Journal of food composition and analysis 2022 v.110 pp. 104540
ISSN:
0889-1575
Subject:
phenolic compounds,   etc   ; Crataegus pinnatifida; bioavailability; digestion; food composition; fruit juices; large intestine;     Show all 7 Subjects
Abstract:
... The impact of high-pressure (HPP, 300/600 MPa for 2 and 6 min) and thermal (TP, 65 ℃/30 min) processing on phenolic profiles from cloudy hawthorn berry juice (CHBJ) as well as their potential bioaccessibility during in vitro digestion were investigated. Both HPP and TP enhanced phenolics concentration due to increased extractability, indicating CHBJ provided a good matrix for protecting phenolics ...
DOI:
10.1016/j.jfca.2022.104540

15. Application of different drying methods for evaluation of phytochemical content and physical properties of broccoli, kale, and spinach

Author:
Luis Vargas; Ragya Kapoor; Boris Nemzer; Hao Feng
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.155 pp. 112892
ISSN:
0023-6438
Subject:
phenolic compounds,   etc   ; air; broccoli; chlorophyll; color; energy; flavonoids; glucosinolates; kale; microstructure; spinach;     Show all 11 Subjects
Abstract:
... In this study, quality characteristics of broccoli, kale, and spinach dried with hot air drying (AD), freeze drying (FD) and Refractance Window drying (RWD) were investigated, including phenolics, flavonoids, vitamins, glucosinolates, color, Tg and microstructure. Broccoli, kale and spinach samples dried using RWD had the highest total phenolics content (8.50, 18.77 and 12.40 mg/g, respectively). ...
DOI:
10.1016/j.lwt.2021.112892
CHORUS:
10.1016/j.lwt.2021.112892

16. An overview on extraction, composition, bioactivity and food applications of peanut phenolics

Author:
Romina Bodoira; M. Cecilia Cittadini; Alexis Velez; Yanina Rossi; Mariana Montenegro; Marcela Martínez; Damián Maestri
Source:
Food chemistry 2022 v.381 pp. 132250
ISSN:
0308-8146
Subject:
phenolic compounds,   etc   ; antioxidants; food chemistry; genetic variation; industrial wastes; peanuts; seed coat;     Show all 7 Subjects
Abstract:
... Peanuts contain a diverse and vast array of phenolic compounds having important biological properties. They are allocated mostly in the seed coat (skin), an industrial waste with minor and undervalued applications. In the last few years, a considerable amount of scientific knowledge about extraction, composition, bioactivities and health benefits of peanut skin phenolics has been generated. The pr ...
DOI:
10.1016/j.foodchem.2022.132250

17. Comprehensive two-dimensional temperature-responsive × reversed phase liquid chromatography for the analysis of wine phenolics

Author:
Kristina Wicht; Mathijs Baert; Magriet Muller; Elena Bandini; Sonja Schipperges; Norwin von Doehren; Gert Desmet; André de Villiers; Frederic Lynen
Source:
Talanta 2022 v.236 pp. 122889
ISSN:
0039-9140
Subject:
phenolic compounds,   etc   ; chemical species; comprehensive two-dimensional liquid chromatography; mass spectrometry; solvents; wines;     Show all 6 Subjects
Abstract:
... Phenolic compounds are an interesting class of natural products because of their proposed contribution to health benefits of foods and beverages and as a bio-source of organic (aromatic) building blocks. Phenolic extracts from natural products are often highly complex and contain compounds covering a broad range in molecular properties. While many 1D-LC and mass spectrometric approaches have been ...
DOI:
10.1016/j.talanta.2021.122889

18. Deglycosylation of isoflavones in selenized germinated chickpea flours due to convection drying

Author:
Sayra N. Serrano-Sandoval; Daniela Guardado-Félix; Janet A. Gutiérrez-Uribe
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.153 pp. 112417
ISSN:
0023-6438
Subject:
phenolic compounds,   etc   ; chickpeas; convection; germination; glycosides; industry; isoflavones; phenylalanine ammonia-lyase; selenium; toxicity;     Show all 10 Subjects
Abstract:
... Biological activities have been attributed to selenium (Se)-enriched germinated chickpeas, therefore, scaling-up is an upcoming process. Different doses of Na₂SeO₃ (0, 24, 48, or 96 mg/L) were used during chickpeas soaking at industry level. Freeze- and convection-drying (FD, CD) effect on the Se retention, isoflavones content, and β-glucosidase and phenylalanine-ammonia-lyase (PAL) activities wer ...
DOI:
10.1016/j.lwt.2021.112417

19. Seasonal variations of naphthoquinone contents (juglone and hydrojuglone glycosides) in Juglans regia L.

Author:
Aljaz Medic; Tilen Zamljen; Metka Hudina; Anita Solar; Robert Veberic
Source:
Scientia horticulturae 2022 v.300 pp. 111065
ISSN:
0304-4238
Subject:
phenolic compounds,   etc   ; Juglans regia; bark; catkins; cultivars; females; glucosides; hulls; juglone; males; walnuts;     Show all 11 Subjects
Abstract:
... The aim of the present study was to determine the content of naphthoquinones (juglone and hydrojuglone glycosides) in different tissues of walnut plants (Juglans regia L.) through the growing season, for the French cultivar 'Franquette' and the Slovenian cultivar 'Rubina'. Husk, leaves, bark, catkin and pistillates were studied. Naphthoquinones contents in the catkins (male flowers) and pistillate ...
DOI:
10.1016/j.scienta.2022.111065

20. Production process and characteristics of kombucha fermented from alternative raw materials

Author:
Eduardo Leonarski; Alana C. Guimarães; Karina Cesca; Patrícia Poletto
Source:
Food bioscience 2022 v.49 pp. 101841
ISSN:
2212-4292
Subject:
phenolic compounds,   etc   ; antioxidant activity; antioxidants; black tea; fermentation; kombucha; markets; milk; raw materials;     Show all 9 Subjects
Abstract:
... Kombucha is a beverage obtained by fermenting sweetened green or black tea with a symbiotic culture of bacteria and yeasts (SCOBY), which claims nutritional characteristics. As demand for kombucha increased, alternative extracts to green or black tea such as herbs, fruits, milk, agro-industrial materials started to be used in fermentation, giving rise to kombucha-like beverages. The literature rev ...
DOI:
10.1016/j.fbio.2022.101841