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Journal articles on the topic 'Phenolic acids'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Zilic, Sladjana, Vesna Hadzi-Taskovic-Sukalovic, Dejan Dodig, Vuk Maksimovic, and Vesna Kandic. "Soluble free phenolic compound contents and antioxidant capacity of bread and durum wheat genotypes." Genetika 45, no. 1 (2013): 87–100. http://dx.doi.org/10.2298/gensr1301087z.

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The objective of this study was to determine phenolic compounds and the total antioxidant capacity in the grain of ten bread (T. aestivum L.) and ten durum (T. durum Desf.) wheat genotypes. Soluble free forms of total phenolics, flavonoids, PVPP (polyvinylpolypyrrolidone) bound phenolics, proanthocyanidins and phenolic acids were investigated. In addition, the correlation coefficients between total antioxidant capacities and the concentration of different soluble free phenolic compounds, as well as between soluble free total phenolics and phenolic acids, flavonoids and PVPP bound phenolics wer

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2

Roowi, Suri, Z. Hussin, R. Othman, S. A. Muhammad, and Arif Zaidi Jusoh. "Phenolic Acids in Selected Tropical Citrus." Asian Journal of Plant Biology 1, no. 1 (2013): 1–5. http://dx.doi.org/10.54987/ajpb.v1i1.13.

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  In spite of wide research on plant phenolics, limited data are available on the phenolic acid content in selected tropical citrus. Phenolic acids are known to contribute health benefits to humans. In this study, free and ester conjugated phenolic acid in selected tropical citrus was successfully identified and quantified using Gas Chromatography Mass Spectrometry (GCMS). Citrus microcarpa, Citrus medica, Citrus hystrix and Citrus suhuiensis were among the tropical citrus analysed for their free and ester conjugated phenolic acids. C. microcarpa contains high amount of free and es

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3

Ye, Lingxu, Sumei Zhou, Liya Liu, et al. "Phenolic Compounds and Antioxidant Capacity of Brown Rice in China." International Journal of Food Engineering 12, no. 6 (2016): 537–46. http://dx.doi.org/10.1515/ijfe-2015-0346.

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Abstract The phenolic compounds and antioxidant activity of brown rice are well known but the extent to which phenolics and antioxidant activity varies within rice (Oryza sativa) is not known. This study evaluated the natural variation of phenolic compounds in brown rice of the major cultivars currently grown in China. Free phenolics were extracted with chilled methanol, while bound phenolics were released and extracted by alkaline hydrolysis. There were significant differences in phenolic and flavonoid content between these cultivars and significant differences in bound and total phenolics be

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Rebiai, Abdelkrim, Bachir Ben Seghir, Hadia Hemmami, Soumeia Zeghoud, Mohamed Lakhder Belfar, and Imane Kouadri. "Determination of some phenolic acids in Algerian propolis." Ovidius University Annals of Chemistry 32, no. 2 (2021): 120–24. http://dx.doi.org/10.2478/auoc-2021-0018.

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Abstract Propolis is a resinous material collected by bees from various plant exudates, rich in well-known phenolic compounds, such as phenolic acids, that are important to health. Extracts of propolis are very complex matrices that are hard to test. The purpose of this study was to characterize some of the propolis phenolics that were collected from five different districts in Algeria. The High-Performance Liquid Chromatography (HPLC), a modern quantitative method, has been adopted to identify the phenolic acids. Moreover, total phenolic content of four different phenolic acids were identifie

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5

Butsat, S., and S. Siriamornpun. "Phenolic Acids and Antioxidant Activities in Husk of Different Thai Rice Varieties." Food Science and Technology International 16, no. 4 (2010): 329–36. http://dx.doi.org/10.1177/1082013210366966.

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This study was designed to investigate the free and bound phenolic acids as well as their antioxidant activities in husk of 12 Thai rice varieties consisting of pigmented rice and normal rice. The pigmented rice husk gave higher free total phenolic contents than normal rice husk. However, there was no significant difference in bound total phenolic contents between pigmented rice and normal rice husks. Ferulic and p-coumaric acids were the major phenolic acids in the free fraction of pigmented rice husks, whereas vanillic acid was the dominant phenolic acid in the free fraction of normal rice h

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Liu, Yihan, Sanaa Ragaee, Massimo F. Marcone, and El-Sayed M. Abdel-Aal. "Composition of Phenolic Acids and Antioxidant Properties of Selected Pulses Cooked with Different Heating Conditions." Foods 9, no. 7 (2020): 908. http://dx.doi.org/10.3390/foods9070908.

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Pulses are recommended for healthy eating due to their high content of nutrients and bioactive compounds that can undergo changes during cooking. This study investigated the effects of four cooking methods (boiling, pressure, microwave, slow) and three heating solutions (water, salt, sugar) on the phenolic acids and antioxidant properties of three pulses (faba beans, lentils, peas). The composition of phenolic acids differed among the three pulses with p-coumaric and ferulic being the dominant acids. Cooking increased free phenolic acids and lessened bound phenolic acids in faba beans and peas

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7

Tuyen, Phung Thi, Do Tan Khang, Pham Thi Thu Ha, Tran Ngoc Hai, Abdelnaser Abdelghany Elzaawely, and Tran Dang Xuan. "Antioxidant Capacity and Phenolic Contents of Three Quercus Species." International Letters of Natural Sciences 54 (May 2016): 85–99. http://dx.doi.org/10.18052/www.scipress.com/ilns.54.85.

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The antioxidant capability and phenolic contents of ethanol extracts (free phenolics) and ethyl acetate extracts (bound phenolics) of three Quercus species were estimated in this work. The antioxidant activities were examined by 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) free radical, reducing power and b-carotene bleaching methods. HPLC was employed to detect major phenolic acids. The leaf extract of Q. salicina contained maximum total phenolics while the highest total flavonoid content was found in the leaf extract of Q

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Tuyen, Phung Thi, Do Tan Khang, Pham Thi Thu Ha, Tran Ngoc Hai, Abdelnaser Abdelghany Elzaawely, and Tran Dang Xuan. "Antioxidant Capacity and Phenolic Contents of Three <i>Quercus</i> Species." International Letters of Natural Sciences 54 (May 11, 2016): 85–99. http://dx.doi.org/10.56431/p-u66fhw.

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The antioxidant capability and phenolic contents of ethanol extracts (free phenolics) and ethyl acetate extracts (bound phenolics) of three Quercus species were estimated in this work. The antioxidant activities were examined by 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) free radical, reducing power and b-carotene bleaching methods. HPLC was employed to detect major phenolic acids. The leaf extract of Q. salicina contained maximum total phenolics while the highest total flavonoid content was found in the leaf extract of Q

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9

Sun, Wenli, and Mohamad Hesam Shahrajabian. "Therapeutic Potential of Phenolic Compounds in Medicinal Plants—Natural Health Products for Human Health." Molecules 28, no. 4 (2023): 1845. http://dx.doi.org/10.3390/molecules28041845.

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Phenolic compounds and flavonoids are potential substitutes for bioactive agents in pharmaceutical and medicinal sections to promote human health and prevent and cure different diseases. The most common flavonoids found in nature are anthocyanins, flavones, flavanones, flavonols, flavanonols, isoflavones, and other sub-classes. The impacts of plant flavonoids and other phenolics on human health promoting and diseases curing and preventing are antioxidant effects, antibacterial impacts, cardioprotective effects, anticancer impacts, immune system promoting, anti-inflammatory effects, and skin pr

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10

Suprun, Andrey R., Alexandra S. Dubrovina, Alexey P. Tyunin, and Konstantin V. Kiselev. "Profile of Stilbenes and Other Phenolics in Fanagoria White and Red Russian Wines." Metabolites 11, no. 4 (2021): 231. http://dx.doi.org/10.3390/metabo11040231.

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Grapes and wines represent the most important source of edible stilbenes and other phenolic metabolites, which demonstrate a wide range of valuable biological activities. However, there is no information about the profile and content of phenolic compounds in Russian wines. We firstly analyzed phenolics (stilbenes, phenolic acids, and flavonols) in some representatives of Russian wines, including eleven red and seven white Russian wines from Fanagoria, Krasnodarsky Territory. The Russian red wines contained six stilbenes (trans-resveratrol, cis-resveratrol, trans-, cis-piceid, trans-piceatannol

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11

Abotaleb, Mariam, Alena Liskova, Peter Kubatka, and Dietrich Büsselberg. "Therapeutic Potential of Plant Phenolic Acids in the Treatment of Cancer." Biomolecules 10, no. 2 (2020): 221. http://dx.doi.org/10.3390/biom10020221.

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Globally, cancer is the second leading cause of death. Different conventional approaches to treat cancer include chemotherapy or radiotherapy. However, these are usually associated with various deleterious effects and numerous disadvantages in clinical practice. In addition, there are increasing concerns about drug resistance. In the continuous search for safer and more effective treatments, plant-derived natural compounds are of major interest. Plant phenolics are secondary metabolites that have gained importance as potential anti-cancer compounds. Phenolics display a great prospective as cyt

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12

Russell, Wendy, and Garry Duthie. "Plant secondary metabolites and gut health: the case for phenolic acids." Proceedings of the Nutrition Society 70, no. 3 (2011): 389–96. http://dx.doi.org/10.1017/s0029665111000152.

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Plant-based diets contain a plethora of secondary metabolites that may impact on health and disease prevention. Much attention has been focused on the potential bioactivity and nutritional relevance of several classes of phytochemicals such as flavonoids, carotenoids, phyto-oestrogens and glucosinolates. Less attention has been paid to simple phenolic acids that are widely found in fruit, vegetables, herbs, spices and beverages. Daily intakes may exceed 100 mg. In addition, bacteria in the gut can perform reactions that transform more complex plant phenolics such as anthocyanins, procyanidins,

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13

Moniruzzaman, Mohammed, Chua Yung An, Pasupuleti Visweswara Rao, et al. "Identification of Phenolic Acids and Flavonoids in Monofloral Honey from Bangladesh by High Performance Liquid Chromatography: Determination of Antioxidant Capacity." BioMed Research International 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/737490.

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The aim of the present study was to characterize the phenolic acids, flavonoids, and antioxidant properties of monofloral honey collected from five different districts in Bangladesh. A new high performance liquid chromatography (HPLC) equipped with a UV detector method was developed for the identification of the phenolic acids and flavonoids. A total of five different phenolic acids were identified, with the most abundant being caffeic acid, benzoic acid, gallic acid, followed by chlorogenic acid and trans-cinnamic acid. The flavonoids, kaempferol, and catechin were most abundant, followed by

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14

Goławska, Sylwia, Iwona Łukasik, Adrian Arkadiusz Chojnacki, and Grzegorz Chrzanowski. "Flavonoids and Phenolic Acids Content in Cultivation and Wild Collection of European Cranberry Bush Viburnum opulus L." Molecules 28, no. 5 (2023): 2285. http://dx.doi.org/10.3390/molecules28052285.

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Guelder rose (Viburnum opulus L.) is known for its health benefits. V. opulus contains phenolic compounds (flavonoids and phenolic acids), a group of plant metabolites with wide biological activities. They are good sources of natural antioxidants in human diets owing to their prevention of the oxidative damage responsible for many diseases. In recent years, observations have shown that an increase in temperature can change the quality of plant tissues. So far, little research has addressed the problem of the common impact of temperature and place of occurrence. Towards a better understanding o

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15

Menga, Valeria, Valentina Giovanniello, Michele Savino, et al. "Comparative Analysis of Qualitative and Bioactive Compounds of Whole and Refined Flours in Durum Wheat Grains with Different Year of Release and Yield Potential." Plants 12, no. 6 (2023): 1350. http://dx.doi.org/10.3390/plants12061350.

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Durum wheat varieties are important sources of nutrients and provide remarkable amounts of phytochemicals. Especially, phenolics, which are mostly located in external layers of grains, have recently gained increased interest due to their high antioxidant power. This study aimed to evaluate the differences in the quality traits and phenolic compounds’ concentration (e.g., phenolic acids) of different durum wheat genotypes, namely four Italian durum wheat cultivars and a USA elite variety, in relation to their yield potential and year of release. Phenolic acids were extracted both from wholemeal

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16

Ailer, Štefan, Roman Serenčéš, Dagmar Kozelová, Zuzana Poláková, and Silvia Jakabová. "Possibilities for Depleting the Content of Undesirable Volatile Phenolic Compounds in White Wine with the Use of Low-Intervention and Economically Efficient Grape Processing Technology." Applied Sciences 11, no. 15 (2021): 6735. http://dx.doi.org/10.3390/app11156735.

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The influence of the technological processes of grape processing on the content of hydroxycinnamic acids and volatile phenolic substances in wine was studied. The method of targeted oxygenation was applied in grape processing technology of the Welschriesling and Chardonnay grape varieties. The content of volatile phenolic substances was determined by gas chromatography, the content of hydroxycinnamic acids by liquid chromatography, and the basic analytical parameters of the wine by FTIR spectrometry. The method of targeted must oxygenation had a statistically significant effect on the content

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17

Bento-Silva, Andreia, Noélia Duarte, Elsa Mecha, et al. "Broa, an Ethnic Maize Bread, as a Source of Phenolic Compounds." Antioxidants 10, no. 5 (2021): 672. http://dx.doi.org/10.3390/antiox10050672.

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Maize is an important source of phenolic compounds, specially hydroxycinnamic acids, which are widely known for their antioxidant activity and associated health benefits. However, these effects depend on their bioaccessibility, which is influenced by the different techniques used for food processing. Several traditional products can be obtained from maize and, in Portugal, it is used for the production of an ethnic bread called broa. In order to evaluate the effect of processing on maize phenolic composition, one commercial hybrid and five open-pollinated maize flours and broas were studied. T

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18

Linić, Ida, Dunja Šamec, Jiří Grúz, Valerija Vujčić Bok, Miroslav Strnad, and Branka Salopek-Sondi. "Involvement of Phenolic Acids in Short-Term Adaptation to Salinity Stress is Species-Specific among Brassicaceae." Plants 8, no. 6 (2019): 155. http://dx.doi.org/10.3390/plants8060155.

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Salinity is a major abiotic stress negatively affecting plant growth and consequently crop production. The effects of short-term salt stress were evaluated on seedlings of three globally important Brassica crops—Chinese cabbage (Brassica rapa ssp. pekinensis), white cabbage (Brassica oleracea var. capitata), and kale (Brassica oleracea var. acephala)—with particular focus on phenolic acids. The physiological and biochemical stress parameters in the seedlings and the levels of three main groups of metabolites (total glucosinolates, carotenoids, and phenolics) and individual phenolic acids were

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19

Olech, Marta, Wioleta Pietrzak, and Renata Nowak. "Characterization of Free and Bound Phenolic Acids and Flavonoid Aglycones in Rosa rugosa Thunb. Leaves and Achenes Using LC–ESI–MS/MS–MRM Methods." Molecules 25, no. 8 (2020): 1804. http://dx.doi.org/10.3390/molecules25081804.

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Fast and reliable determination of polyphenols is a quite common goal during investigation of new plant materials and herbal products, their standardization, quality control, or chemo-taxonomical studies. The aim of this study was to develop and validate methods based on the application of reversed phase liquid chromatography/electrospray ionization triple quadrupole mass spectrometry (LC-ESI-MS/MS) using multiple reaction monitoring (MRM) for comprehensive quantitative and qualitative analysis of phenolic acids and flavonoid aglycones. LC-MS/MS-MRM protocols were applied for the determination

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20

Medic, Aljaz, Jerneja Jakopic, Anita Solar, Metka Hudina, and Robert Veberic. "Walnut (J. regia) Agro-Residues as a Rich Source of Phenolic Compounds." Biology 10, no. 6 (2021): 535. http://dx.doi.org/10.3390/biology10060535.

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The present study was designed to identify and quantify the major phenolic compounds (phenolics) in the inner and outer husks, buds and bark of the Persian walnut, Juglans regia L. A comparison across six different cultivars grown in Slovenia was also carried out: ‘Fernor’, ‘Fernette’, ‘Franquette’, ‘Sava’, ‘Krka’ and ‘Rubina’. A total of 83 compounds were identified, which included 25 naphthoquinones, 15 hydroxycinnamic acids, 8 hydroxybenzoic acids, 13 flavanols, 2 flavones, 1 flavanone and 19 flavonols. For the first time, 38 phenolics in the husks, 57 phenolics in the buds and 29 phenolics

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21

Kiriyama, Yoshimitsu, Hiroshi Tokumaru, Hisayo Sadamoto, Suguru Kobayashi, and Hiromi Nochi. "Effects of Phenolic Acids Produced from Food-Derived Flavonoids and Amino Acids by the Gut Microbiota on Health and Disease." Molecules 29, no. 21 (2024): 5102. http://dx.doi.org/10.3390/molecules29215102.

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The gut microbiota metabolizes flavonoids, amino acids, dietary fiber, and other components of foods to produce a variety of gut microbiota-derived metabolites. Flavonoids are the largest group of polyphenols, and approximately 7000 flavonoids have been identified. A variety of phenolic acids are produced from flavonoids and amino acids through metabolic processes by the gut microbiota. Furthermore, these phenolic acids are easily absorbed. Phenolic acids generally represent phenolic compounds with one carboxylic acid group. Gut microbiota-derived phenolic acids have antiviral effects against

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22

Wang, Bin, Junfeng Niu, Bin Li, et al. "Molecular Characterization and Overexpression of SmJMT Increases the Production of Phenolic Acids in Salvia miltiorrhiza." International Journal of Molecular Sciences 19, no. 12 (2018): 3788. http://dx.doi.org/10.3390/ijms19123788.

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Jasmonic acid (JA) carboxyl methyltransferase (JMT), a key enzyme in jasmonate-regulated plant responses, may be involved in plant defense and development by methylating JA to MeJA, thus influencing the concentrations of MeJA in plant. In this study, we isolated the JMT gene from Salvia miltiorrhiza, an important medicinal plant widely used to treat cardiovascular disease. We present a genetic manipulation strategy to enhance the production of phenolic acids by overexpresion SmJMT in S. miltiorrhiza. Global transcriptomic analysis using RNA sequencing showed that the expression levels of genes

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23

Gąsecka, Monika, Marek Siwulski, Zuzanna Magdziak, et al. "The effect of drying temperature on bioactive compounds and antioxidant activity of Leccinum scabrum (Bull.) Gray and Hericium erinaceus (Bull.) Pers." Journal of Food Science and Technology 57, no. 2 (2019): 513–25. http://dx.doi.org/10.1007/s13197-019-04081-1.

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Abstract In the study the effect of drying temperature on phenolic and organic acid content, total phenolic content, ergosterol content, antioxidant activity and content of 40 elements in fruiting bodies of Leccinum scabrum and Hericium erinaceus was estimated. The analysis was performed for fresh fruiting bodies and those dried at 20, 40 and 70 °C. Drying resulted in changes in the profile of phenolic and organic acids. Drying generally resulted in losses of the content of total phenolics, ergosterol and antioxidant activity in both species. However, a reduction and an increase of phenolic ac

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Okafor, Jane N. C., Mervin Meyer, Marilize Le Roes-Hill, and Victoria A. Jideani. "Flavonoid and Phenolic Acid Profiles of Dehulled and Whole Vigna subterranea (L.) Verdc Seeds Commonly Consumed in South Africa." Molecules 27, no. 16 (2022): 5265. http://dx.doi.org/10.3390/molecules27165265.

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Bambara groundnut (BGN) is an underexploited crop with a rich nutrient content and is used in traditional medicine, but limited information is available on the quantitative characterization of its flavonoids and phenolic acids. We investigated the phenolic profile of whole seeds and cotyledons of five BGN varieties consumed in South Africa using UPLC-qTOF-MS and GC-MS. Twenty-six phenolic compounds were detected/quantified in whole seeds and twenty-four in cotyledon, with six unidentified compounds. Flavonoids include flavan-3-ol (catechin, catechin hexoside-A, catechin hexoside-B), flavonol (

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25

Duan, Wenwen, Zhijie Zhang, Jingjing Zhu, et al. "Comparative Analysis of the Phenolic Profile of Lycium barbarum L. Fruits from Different Regions in China." Molecules 27, no. 18 (2022): 5842. http://dx.doi.org/10.3390/molecules27185842.

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Lycium barbarum L. (LB) fruits have high nutritive values and therapeutic effects. The aim of this study was to comprehensively evaluate the differences in phenolic composition of LB fruits from different geographical regions. Different methods of characterization and statistical analysis of data showed that different geographic sources of China could be significantly separated from each other. The highest total phenolic compound (TPC) content was observed in LB fruits from Ningxia (LBN), followed by those from Gansu (LBG) and Qinghai (LBQ). The Fourier transform infrared (FTIR) spectra of LB

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26

Rayee, Ramin, Tran Dang Xuan, Hoang Dung Tran, Naqib Ahmad Fakoori, Tran Dang Khanh, and Tran Dang Dat. "Responses of Flavonoids, Phenolics, and Antioxidant Activity in Rice Seedlings between Japonica and Indica Subtypes to Chilling Stress." International Letters of Natural Sciences 77 (January 2020): 41–50. http://dx.doi.org/10.18052/www.scipress.com/ilns.77.41.

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Chilling is one of the major abiotic stress which limites yield and quality of many crops. The seedlings of rice varieties namely Koshihikari (Japonica subtype) chilling tolerant, and the susceptible NMR2 (Indica subtype) were treated at 25/15 °C and 5/4 °C day/night to determine the growth parameters, phenolic contents, and antioxidant activity. It was found that in all treatments, the growth of MNR2 including root and shoot lengths, and leaf and root weights were inhibited at greater levels than Koshihikari. There were seven phenolic acids identified in leaves of Koshihikari including caffei

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Rayee, Ramin, Tran Dang Xuan, Hoang Dung Tran, Naqib Ahmad Fakoori, Tran Dang Khanh, and Tran Dang Dat. "Responses of Flavonoids, Phenolics, and Antioxidant Activity in Rice Seedlings between Japonica and Indica Subtypes to Chilling Stress." International Letters of Natural Sciences 77 (January 10, 2020): 41–50. http://dx.doi.org/10.56431/p-3elg24.

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Chilling is one of the major abiotic stress which limites yield and quality of many crops. The seedlings of rice varieties namely Koshihikari (Japonica subtype) chilling tolerant, and the susceptible NMR2 (Indica subtype) were treated at 25/15 °C and 5/4 °C day/night to determine the growth parameters, phenolic contents, and antioxidant activity. It was found that in all treatments, the growth of MNR2 including root and shoot lengths, and leaf and root weights were inhibited at greater levels than Koshihikari. There were seven phenolic acids identified in leaves of Koshihikari including caffei

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28

Figueroa-Espinoza, Maria-Cruz, and Pierre Villeneuve. "Phenolic Acids Enzymatic Lipophilization." Journal of Agricultural and Food Chemistry 53, no. 8 (2005): 2779–87. http://dx.doi.org/10.1021/jf0484273.

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Oomah, B. Dave, Edward O. Kenaschuk, and Giuseppe Mazza. "Phenolic Acids in Flaxseed." Journal of Agricultural and Food Chemistry 43, no. 8 (1995): 2016–19. http://dx.doi.org/10.1021/jf00056a011.

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30

Lafay, Sophie, and Angel Gil-Izquierdo. "Bioavailability of phenolic acids." Phytochemistry Reviews 7, no. 2 (2007): 301–11. http://dx.doi.org/10.1007/s11101-007-9077-x.

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Padda, M. S., and D. H. Picha. "(51) Changes in Phenolic Compounds in Sweetpotatoes during Low Temperature Storage." HortScience 40, no. 4 (2005): 1088A—1088. http://dx.doi.org/10.21273/hortsci.40.4.1088a.

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Sweetpotatoes may be potentially high in concentration of certain phytochemical compounds, including phenolics. Low temperature stress-induced phenolic compounds may enhance the nutraceutical value of sweetpotatoes. However, extended exposure to low temperature results in chilling injury. Cured and non-cured roots of `Beauregard' sweetpotatoes were exposed to low temperature storage (5 °C) for up to 4 weeks. The total phenolics and individual phenolic acid contents were determined at weekly intervals using Folin-Denis reagent and reversed-phase HPLC, respectively. Total phenolics and individua

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Sokół-Łętowska, Anna, Alicja Z. Kucharska, Grzegorz Hodun, and Marta Gołba. "Chemical Composition of 21 Cultivars of Sour Cherry (Prunus cerasus) Fruit Cultivated in Poland." Molecules 25, no. 19 (2020): 4587. http://dx.doi.org/10.3390/molecules25194587.

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Sour cherry (Prunus cerasus L.) is a very important fruit crop for producers as well as consumers. To obtain information on sour cherry fruit, we determined the sugar and organic acid composition and phenolic compound contents of twenty-one cultivars and genotypes of Prunus cerasus L. by HPLC quantification. Antioxidant capacity was determined by DPPH radical scavenging, reducing power (FRAP) and determination of substances reacting with Folin–Ciocalteu reagent (FCRS). The main organic acids in sour cherries were malic and malonic acids, and the main sugars were glucose and fructose. The highe

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Woolfson, Kathlyn N., Mina Esfandiari, and Mark A. Bernards. "Suberin Biosynthesis, Assembly, and Regulation." Plants 11, no. 4 (2022): 555. http://dx.doi.org/10.3390/plants11040555.

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Suberin is a specialized cell wall modifying polymer comprising both phenolic-derived and fatty acid-derived monomers, which is deposited in below-ground dermal tissues (epidermis, endodermis, periderm) and above-ground periderm (i.e., bark). Suberized cells are largely impermeable to water and provide a critical protective layer preventing water loss and pathogen infection. The deposition of suberin is part of the skin maturation process of important tuber crops such as potato and can affect storage longevity. Historically, the term “suberin” has been used to describe a polyester of largely a

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Nguyen, Trang H. D., Danh C. Vu, Sophie Alvarez, et al. "Comparative Examination of Phytonutrients and Antioxidant Activity of Commonly Consumed Nuts and Seeds Grown in Vietnam." Horticulturae 8, no. 6 (2022): 521. http://dx.doi.org/10.3390/horticulturae8060521.

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The aim of the present study was to determine the phenolics, carotenoids, B-vitamins, and antioxidant activity of nuts and seeds grown in Vietnam. The concentrations of carotenoids and B-vitamins may vary among the nuts and seeds. Watermelon seed contained the highest level of lutein while pumpkin seed was the β-carotene richest sample. Sachi inchi and sunflower seed comprised considerable levels of vitamin B1, B6, and B9. The phenolic analysis revealed that cashew contained the highest total amount of flavonoids (466.04 μg/g), with catechin, epicatechin, and procyanidin B2 predominating over

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Ghanbarzadeh, Mahboobe, Vahid Niknam, Fatemeh Shaki, et al. "Quantitative and qualitative study of phenolics in leaves of Astragalus species growing in various regions of Iran." Journal of Biosciences and Bioengineering 6, no. 1 (2024): 1–6. http://dx.doi.org/10.52338/jobb.2024.4019.

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Astragalus L. is the largest genus in the Fabaceae family and Iran is considered as one of the most important centers of the genus. In this study, phenolic contents were investigated in the leaves of ten Astragalus species, using spectrophotometric and GLC methods. The study showed that the highest level of phenolics and flavonols were detected in A. glumaceus and A. aegobromus species, respectively. Further, the greatest content of phenolic acids and flavonoids were observed in A. caraganae. Besides, A. siliqusus had the highest level of o-diphenols. Gas-liquid chromatography (GLC) analysis o

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Pereira, Juciane Abreu Ribeiro, Meryene Carvalho Teixeira, Adelir Aparecida Saczk, Maria de Fátima Piccolo Barcelos, Marcelo Firmino de Oliveira, and Wilson César de Abreu. "Total antioxidant activity of yacon tubers cultivated in Brazil." Ciência e Agrotecnologia 40, no. 5 (2016): 596–605. http://dx.doi.org/10.1590/1413-70542016405009416.

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ABSTRACT Yacon (Smallanthus sonchifolius) is a tuberous root from the Andean region in the South America rich em water, fructooligosaccharides and phenolic compounds, some of which are natural antioxidants and may help prevent the deleterious action of free radicals in the body. The yacon has attracted much attention due to their potential health benefits to humans. In this study the levels of total phenolics, tannins, phenolic acids, and total antioxidant activity were measured in the peel and pulp of yacon tubers both in the fresh and flour forms. The flours of yacon presented higher concent

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BUJDOSÓ, Géza, Éva LENGYEL-KÓNYA, Mária BERKI, Anita VÉGH, Laurine KITHI, and Nóra ADÁNYI. "Effects of Green Husks of Hungarian-Bred Cultivars on Their Walnut Bacterial Blight Susceptivity." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Horticulture 81, no. 1 (2024): 22–30. http://dx.doi.org/10.15835/buasvmcn-hort:2023.0014.

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The Persian walnut (Juglans regia L.) is one of Central Europe's most grown nut trees. In the green husks of walnuts, among the most important bioactive compounds are phenolics (hydroxybenzoic acids, hydroxycinnamic acids, flavonoids, naphthoquinones), which play an important role in the plant defense mechanisms against stress caused by various pathogens e.g., Xanthomonas arboricola pv. juglandis, furthermore mentioned as Xaj. The study examined the full Hungarian walnut assortment to detect the difference in phenolic profiles of their green husk and the relationship between the concentration

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Sauvesty, A., F. Page, and J. Huot. "A simple method for extracting plant phenolic compounds." Canadian Journal of Forest Research 22, no. 5 (1992): 654–59. http://dx.doi.org/10.1139/x92-087.

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Quantitative estimation of phenolic compounds in plant tissues remains uncertain, mainly because those substances are unstable and easily degradable. In this research we have developed and tested a new method for extracting phenolic compounds from sugar maple (Acersaccharum Marsh.) leaves. The research involved three steps: (i) various procedures currently used for extraction of phenolic compounds were tested with five pure phenolic acids; (ii) the extraction solvent, the procedure for dissolving the phenolic compounds, the temperature, and the duration of the treatment were tested on maple le

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Trendafilova, Antoaneta, Viktoria Ivanova, Boryana Trusheva, Mariana Kamenova-Nacheva, Sava Tabakov, and Svetlana Simova. "Chemical Composition and Antioxidant Capacity of the Fruits of European Plum Cultivar “Čačanska Lepotica” Influenced by Different Rootstocks." Foods 11, no. 18 (2022): 2844. http://dx.doi.org/10.3390/foods11182844.

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We investigated the influence of different rootstocks on the content of sugars, organic acids, and antioxidant phenolic compounds in the whole fruit and fruit skin of the European plum cultivar “Čačanska Lepotica”. 1H NMR of the fruit extracts allowed for the identification of sucrose, α- and β-glucose, sorbitol, fructose, and malic and quinic acids, while LC–DAD–ESIMS showed the presence of neochlorogenic and chlorogenic acids, cyanidin-3-O-glucoside, cyanidin-3-O-rutinoside, peonidin-3-O-glucoside, peonidin-3-O-rutinoside, hyperoside, isoquercitrin, rutin, and unidentified quercetin-3-diglyc

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Lowe, L. E. "Bound phenolic acids in terrestrial humic acids." Science of The Total Environment 117-118 (May 1992): 187–95. http://dx.doi.org/10.1016/0048-9697(92)90086-8.

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Milinčić, Danijel D., Nemanja S. Stanisavljević, Aleksandar Ž. Kostić, et al. "Bioaccessibility of Phenolic Compounds and Antioxidant Properties of Goat-Milk Powder Fortified with Grape-Pomace-Seed Extract after In Vitro Gastrointestinal Digestion." Antioxidants 11, no. 11 (2022): 2164. http://dx.doi.org/10.3390/antiox11112164.

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This study deals with the evaluation of the bioaccessibility and antioxidant properties of phenolic compounds from heat-treated skim goat-milk powder fortified with grape-pomace-seed extract, after in vitro gastrointestinal digestion. Ultra-high performance liquid chromatography coupled to diode array detection and mass spectrometry (UHPLC-DAD MS/MS) analysis confirmed the abundant presence of phenolic acids and flavan-3-ols in the grape-pomace-seed extract (SE) and heat-treated skim goat-milk/seed-extract powder (TME). After in vitro digestion of TME powder and recovery of total quantified ph

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Merkl, R., I. Hrádková, V. Filip, and J. Šmidrkal. "Antimicrobial and antioxidant properties of phenolic acids alkyl esters." Czech Journal of Food Sciences 28, No. 4 (2010): 275–79. http://dx.doi.org/10.17221/132/2010-cjfs.

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Some phenolic acids alkyl esters (methyl, ethyl, propyl, butyl and hexyl) and determine their antioxidant and antimicrobial activities were prepared. The antimicrobial activity against the tested microorganisms Escherichia coli DMF 7503, Bacillus cereus DMF 2001, Listeria monocytogenes DMF 5776, Fusarium culmorum DMF 0103, and Saccharomyces cerevisiae DMF 1017 was investigated and expressed by minimum inhibitory concentration (MIC) in the range of 1.2&ndash;20mM. The inhibitory activity of phenolic acids butyl esters was found to be higher than that of methyl esters (MIC below 1.25mM). The

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Ingersoll, Christine M., Richard A. Niesenbaum, Caitlin E. Weigle, and Julia H. Lehman. "Total phenolics and individual phenolic acids vary with light environment in Lindera benzoin." Botany 88, no. 11 (2010): 1007–10. http://dx.doi.org/10.1139/b10-072.

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The understory shrub Lindera benzoin L. experiences lower rates of herbivory in sun environments than in shade environments. The production of secondary metabolites (e.g., phenolic compounds with known plant defense properties) is one likely contributor to these observed differences in herbivory. This work determined the total phenolic content as well as the concentrations of several individual phenolic acids in L. benzoin leaves found in sun and shade habitats. Total phenolic concentrations were determined to be higher in leaves from sun plants than in those from shade plants (47.5 ± 2.4 vs.

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Andriopoulos, Vasilis, and Michael Kornaros. "Microalgal Phenolics: Systematic Review with a Focus on Methodological Assessment and Meta-Analysis." Marine Drugs 22, no. 10 (2024): 460. http://dx.doi.org/10.3390/md22100460.

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A critical review and analysis of the literature relevant to the phenolic content of eucaryotic microalgae was performed. Several issues were identified and discussed. In summary, the main problems with the reporting on the phenolic content of microalgae are the following: (1) despite its usefulness in the determination of phenolic content in plant samples, the Folin–Ciocalteu assay is non-suitable for microalgal research due to the high presence of interfering compounds in microalgal extracts such as chlorophyll and its derivatives in organic extracts and free aromatic amino acids or nucleoti

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Paznocht, Luboš, Zora Kotíková, Barbora Burešová, Jaromír Lachman, and Petr Martinek. "Phenolic acids in kernels of different coloured-grain wheat genotypes." Plant, Soil and Environment 66, No. 2 (2020): 57–64. http://dx.doi.org/10.17221/380/2019-pse.

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The content of free, conjugated and bound phenolic acids in 12 wheat (Triticum aestivum L.) genotypes of 4 different grain colours (standard red, yellow endosperm, purple pericarp and blue aleurone) from 2-year field trial was analysed in the present study. Significant increase (8%) in the total phenolic acid content was observed in the dryer year 2017. Five phenolic acids (ferulic, sinapic, p-coumaric, vanillic and 4-hydroxybenzoic) and cis-isomers of ferulic and sinapic acid were determined by HPLC-DAD (high-performance liquid chromatography with a diode-array detector) in grain samples. The

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Ponts, Nadia, Laetitia Pinson-Gadais, Anne-Laure Boutigny, Christian Barreau, and Florence Richard-Forget. "Cinnamic-Derived Acids Significantly Affect Fusarium graminearum Growth and In Vitro Synthesis of Type B Trichothecenes." Phytopathology® 101, no. 8 (2011): 929–34. http://dx.doi.org/10.1094/phyto-09-10-0230.

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The impact of five phenolic acids (ferulic, coumaric, caffeic, syringic, and p-hydroxybenzoic acids) on fungal growth and type B trichothecene production by four strains of Fusarium graminearum was investigated. All five phenolic acids inhibited growth but the degree of inhibition varied between strains. Our results suggested that the more lipophilic phenolic acids are, the higher is the effect they have on growth. Toxin accumulation in phenolic acid-supplemented liquid glucose, yeast extract, and peptone cultures was enhanced in the presence of ferulic and coumaric acids but was reduced in th

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Król, Angelika, Ryszard Amarowicz, and Stanisław Weidner. "Content of Phenolic Compounds and Antioxidant Properties in Seeds of Sweet and Bitter Cultivars of Lupine (Lupinus angustifolius)." Natural Product Communications 13, no. 10 (2018): 1934578X1801301. http://dx.doi.org/10.1177/1934578x1801301027.

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The main purpose was to demonstrate differences in the total content of phenolic compounds, phenolic acids and to analysis differences in the antioxidant properties of extracts obtained from seeds of several narrow-leaf lupine cultivars ( Lupinus angustifolius L.). The biological material consisted of seeds of four cultivars of narrow-leaf lupine characterized by different concentrations of alkaloids. The total content of phenolics was determined with the colorimetric method using the Folin-Ciocalteau reagent. Other determinations included the ability of seed extracts to scavenge DPPH• radical

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Rutledge, Grant, Marshall Miller, Amandeep Sandhu, Indika Edirisinghe, Britt Burton-Freeman, and Barbara Shukitt-Hale. "Berry Phenolics Are Associated With Cognitive Enhancement in Blueberry- and Strawberry-Supplemented Older Adults." Current Developments in Nutrition 5, Supplement_2 (2021): 921. http://dx.doi.org/10.1093/cdn/nzab049_034.

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Abstract Objectives Research suggests that supplementation with berries may improve cognition during aging. In two recently published 90-day trials, healthy older adults (ages 60–75; BMI 18.5–29.9) who consumed 24 g/d freeze-dried blueberry or strawberry showed improved cognitive function, relative to placebo controls. However, the mechanism of action underlying these cognitive benefits and the role of berry phenolics in cognitive enhancement is not fully understood. In this study, we hypothesized that dietary supplementation with blueberry or strawberry would increase the concentrations of ci

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Shamanin, Vladimir P., Zeynep H. Tekin-Cakmak, Elena I. Gordeeva, et al. "Antioxidant Capacity and Profiles of Phenolic Acids in Various Genotypes of Purple Wheat." Foods 11, no. 16 (2022): 2515. http://dx.doi.org/10.3390/foods11162515.

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The total phenolic content, phenolic compositions, and antioxidant capacity in the grain of 40 purple wheat genotypes were studied. In this study, purple wheats were investigated in terms of their composition of free and bound phenolic acids and 2,2-diphenyl-1-picrylhydrazyl radical scavenging capacity. The free phenolic content ranged from 164.25 to 271.05 mg GAE/100 g DW and the bound phenolic content was between 182.89–565.62 mg GAE/100 g wheat. The total phenolic content of purple wheat samples ranged from 352.65 to 771.83 mg GAE/100 g wheat. Gallic acid, protocatechuic acid, catechin, 4-h

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Sosnowska, Dorota, Dominika Kajszczak, and Anna Podsędek. "The Effect of Different Growth Stages of Black Chokeberry Fruits on Phytonutrients, Anti-Lipase Activity, and Antioxidant Capacity." Molecules 27, no. 22 (2022): 8031. http://dx.doi.org/10.3390/molecules27228031.

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The present study investigated the nutrients, biologically-active compounds, as well as antioxidant and anti-lipase activities of chokeberry fruits across four different stages of development, from the unripe green to mature black forms. The highest content of total phenolics (12.30% dry weight (DW)), including proanthocyanidins (6.83% DW), phenolic acids (6.57% DW), flavanols (0.56% DW), flavonols (0.62% DW), and flavanones (0.10% DW), was observed in unripe fruits. The unripe green fruits were also characterized by the highest content of protein (2.02% DW), ash (4.05% DW), total fiber (39.43

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