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Showing 1 to 20 of 23 for “"p-coumaric acid"”.

  1. Amelioration of acute and chronic toxicity of imidacloprid by dietary phytochemicals in honey bees (apis mellifera)

    Wong, Michael J.University of Illinois at Urbana-Champaign2018

    … of the phytochemicals quercetin and p-coumaric acid, common constituents of honey and beebread, also upregulates cytochrome P450 monooxygenases, the presence of these compounds in the diet of honey bees may ameliorate the toxic effects of imidacloprid. In order to determine the effect …

    uiuc Repository record

  2. Effects of Hydroxycinnamates and Exogenous Yeast Assimilable Nitrogen on Cider Aroma and Fermentation Performance

    Cairns, Paulette AnneVirginia Tech2019

    … of tannins (phenolic compounds), and/or acid. The phenolic content of some cider apples far exceeds that of white wine, however most cider fermentation practices are directly taken from white winemaking, not accounting for effects of high concentrations of phenolic compounds on yeast …

    vt Repository record

  3. The Effects of Quorum Sensing Molecules on Streptococcus mutans Biofilm

    Garner, CamilleUniversity of Westminster2022

    … studied the effects of three QQ molecules (p-coumaric acid, tyrosol, and farnesol) on S. mutans biofilm formation on biotic and abiotic surfaces. This research specifically studied the changes in eDNA, protein, carbohydrate, and viable cells in the extracellular matrix (ECM) of the biofilm. …

    westminster Repository record

  4. Evaluation of the role of plant-derived chemicals in mosquito ecology and control

    Njoroge, Teresia MuthoniUniversity of Illinois at Urbana-Champaign2020

    … females. Moreover, I showed that the linoleic acid component of the oils contributes to their insecticidal activity. In Chapter 3, I performed laboratory assays to assess the effect of the nectar phytochemicals, caffeine, p-coumaric acid and quercetin on sugar-feeding behavior, La Crosse virus …

    uiuc Repository record

  5. Comparative genome analysis of human bifidobacteria with commercial potential

    O'Callaghan, AmyUniversity College Cork2016

    … NCIMB 8809 is capable of removing ferulic and p-coumaric acid substitutions that originate from arabinoxylan. Analysis of the genome sequence led to the identification of a candidate gene for this activity, which was subsequently cloned and expressed in E. coli. Biochemical analysis revealed that …

    cork Repository record

  6. Allelopathic effect of imperata cylindrica (L.) beauv. extracts on the germination of weeds

    A Salim, Mohamed AliUniversiti Tun Hussein Onn Malaysia2020

    … presence of allelochemicals including phenolic acid, fatty acids, and organosilicon compounds. Although phenolic acids [butyl phenol, phenyl 3-methylbut-2-enoate, p-coumaric acid, and p-coumaric acid methyl ester], fatty acids [phytol, methyl isohexadecanoate, palmitic acid, palmitic acid methyl …

    uthm Repository record

  7. Improvement of nutritional characteristics and other health benefits of processed maize food products

    Butts-Wilmsmeyer, Carolyn J.University of Illinois at Urbana-Champaign2016

    … (FTIR), but the insoluble-bound hydroxycinnamic acids were difficult to quantify using standard extraction protocols. Therefore, at the onset of the project, a high-throughput method for the extraction of insoluble-bound hydroxycinnamic acids was developed (Chapter 1). The overall concentration …

    uiuc Repository record

  8. EFFECTS OF FOOD PROCESSING METHODS ON PHENOLIC ACIDS AND ANTIOXIDANT CAPACITY IN SWEET CORN

    Dong, Fangxiang2024

    … food processing methods on the phenolic acid and antioxidant properties of sweet corn. Phenolic acids, such as ferulic acid and p-coumaric acid, are known for their health benefits. The research primarily focuses on two main stages of food processing: post-harvest handling and domestic …

    maryland Repository record

  9. Identifying candidate genes/loci influencing barley secondary cell wall properties

    Learmonth, AmyUniversity of Dundee2019

    … form cross-links through cell wall bound ferulic acid; this matrix influences the efficiency of enzymatic breakdown of the cell wall. Changes in lignin content, lignin composition and phenolic acid content have been shown to affect saccharification (sugar release from cell walls).<br/><br/>The …

    dundee Repository record

  10. Action of Allelochemicals on Algal Growth and Photosystem Ii Efficiency

    Yang, Zhengfang

    … was 100 μM or higher for benzoic and cinnamic acids. Sesquiterpene lactones were PSII inhibitors that had a positive correlation between growth suppression and PSII reduction, indicating that interference with photosynthesis is a major mechanism of their allelopathic action. Kaempferol, a …

    mo-state Repository record

  11. Phenolic compounds from selected Namibian leafy vegetables (NLV); extraction and characterization

    Augustu, Astrid M.University of Namibia2016

    … 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and Reducing Power (RP) assays. The study also aimed at detecting and characterizing eight phenolic acids (4-hydroxybenzoic, trans-ferulic, vanillic, gallic, syringic, sinapic and para-coumaric acids) using Gas Chromatography Mass …

    namibia Repository record

  12. Study of melissopalynological, physical and chemical properties, antioxidant and xanthine oxidase inhibition activity of heterotrigona itama honey in Johor, Malaysia

    Majid, MahaniUniversiti Tun Hussein Onn Malaysia2019

    … product. HPLC screening detected six phenolic acids (chlorogenic acid, epicatechin, P-Coumaric acid, rutin, catechin and protocatheuic) which present in various combination. Unifloral honey (R. mucronata) possessed the highest phenolic (413.94 mg GAE/100g) and flavonoid (179.36 mg RE/100g) …

    uthm Repository record

  13. Laccase-based Biocatalytic Systems for Recalcitrant Micro-Pollutants Degradation and Energy Generation

    Ji, ChaoUNSW, Sydney2017

    … on TiO2 coated membrane surface. Using p-coumaric acid as a mediator, efficient CBZ removal (up to 71%) was achieved with the hybrid membrane reactor. Functionalized TiO2 nanoparticles were further applied to immobilize crude enzyme extracts from P. ostreatus culture. The resultant …

    unsw Repository record

  14. A study of the metabolism and metabolomics of polyphenols using isolated rat hepatocytes and liquid chromatography-high resolution mass spectrometry

    Omar, Khaled M. K.University of Strathclyde2017

    … used to transform the phenyl propionates ferulic acid and p-coumaric acid and the flavonoids quercetin and hesperidin. The products formed by enzymatic transformation were characterised by liquid chromatography in combination with high resolution mass spectrometry. This was followed by extraction …

    strathclyde Repository record

  15. Quantification of Total Phenolic Content and Antioxidant Activity of Oat Cultivars Grown in South Dakota

    Boddu, Harita2017

    … (DPPH) assay. Pure standards (tannic acid, quercetin, 5- hydroxyanthranillic acid, caffeic acid, ferulic acid, p-coumaric acid, and sinapic acid) were tested to allow for data interpretation and method validation. Total phenolic content ranged from 78.6 mg Tannic Acid Equivalents …

    sdstate Repository record

  16. KINETICS, REGULATION AND PURIFICATION OF L-PHENYLALANINE AMMONIA-LYASE FROM GERMINATING LETTUCE SEEDS (PHENYLPROPANOIDS, ENZYME, ALPHA-AMINOXY - BETA-PHENYLPROPIONIC ACID)

    KUDAKASSERIL, GEORGE JOSE

    … p-fluorophenylalanine, (beta)-phenyllactic acid and tryptophan were found to inhibit PAL competitively whereas tyrosine did not show any inhibition of enzyme activity. Of the phenylpropanoids used, cinnamic acid was found to be a competitive inhibitor whereas chlorogenic acid showed mixed …

    unh-thes Repository record

  17. Production and Degradation of 4-Ethylphenol in <i>LACTOBACILLUS SP. </i>pep8 Cultures and in Blended Swine Lagoon Enrichments

    Copp, Clinton W.

    … is derived from a component of lignin called p-coumaric acid (p-CA). The production of 4-EP from lignin in swine waste is untested. Additionally, the effect of Fe (III) on 4-EP levels is unknown. Four experiments were performed to determine if <em>Lactobacillus </em>sp. pep8 cultures, as well as …

    wku-diss Repository record

  18. Ameliorative effects of phytochemical ingestion on viral infection in honey bees

    Hsieh, Edward MUniversity of Illinois at Urbana-Champaign2020

    … and then feeding them thymol, carvacrol, p-coumaric acid, quercetin, or caffeine in a series of high-throughput bioassays, all of which were chosen based on their immune-boosting properties in honey bees. Among these candidates, caffeine was the only phytochemical capable of significantly …

    uiuc Repository record

  19. Studies in the Alseuosmiaceae

    Gardner, R. O. (Rhys Owen), 1949-ResearchSpace@Auckland1976

    … simple phenolic compounds here (as detected in acid hydrolysates) include quercetin, kaempferol, caffeic acid and p-coumaric acid. Triterpenoid saponins are abundant in leaf tissue; alkaloids and probably iridoid compounds too, are absent. Tannin is found throughout the ovary tissue of …

    auckland-ms Repository record

  20. Potential for selection of new peanut genotypes with enhanced polyphenol antioxidant content

    Poon, Yan YeeUNSW, Sydney2020

    … in selected RILs showed increased ferulic acid, p-coumaric acid, salicylic acid, resveratrol, and daidzein with the enzymatic extraction, indicating the importance of matrix-bound polyphenolic compounds and corresponded to respective ORAC assay values. The shotgun proteomics revealed …

    unsw Repository record

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