Bibliografias temáticas / P-Coumaroylquinic

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Literatura científica selecionada sobre o tema "P-Coumaroylquinic"

Autor: Grafiati

Publicado: 1 de abril de 2023

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Artigos de revistas sobre o assunto "P-Coumaroylquinic"

Jan, Goliáš, Vrchotová Naděžda, Kožíšková Jarmila, Kotas Petr e Tříska Jan. "Influence of post-harvest ripening on the levels of selected compounds in various cherry cultivars". Czech Journal of Food Sciences 36, No. 2 (7 de maio de 2018): 163–68. http://dx.doi.org/10.17221/149/2017-cjfs.

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The stability of the main sugars and the organic acids neochlorogenic acid, p-coumaroylquinic acid and rutin was assessed in the Vanda, Napoleonova, Kordia, New Moon, Sweetheart, and Regina sweet cherry (Prunus avium L.) cultivars during post-harvest storage. Neochlorogenic acid was the predominant phenolic acid in these sweet cherry cultivars followed by p-coumaroylquinic acid. Rutin concentrations ranged from 0.5 ± 0.38 to 12.35 ± 2.84 mg/kg of homogenate and its concentration was higher in the Sweetheart, Kordia, and Regina cultivars in the postharvest time.

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Gutiérrez Ortiz, Anggy Lusanna, Federico Berti, Luciano Navarini, Angelo Monteiro, Marina Resmini e Cristina Forzato. "Synthesis of p -coumaroylquinic acids and analysis of their interconversion". Tetrahedron: Asymmetry 28, n.º 3 (março de 2017): 419–27. http://dx.doi.org/10.1016/j.tetasy.2017.01.015.

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Tsevegsuren, N., P. Proksch, Y. Wang e G. Davaakhuu. "Bioactive phenolic acids from Scorzonera radiata Fisch." Mongolian Journal of Chemistry 12 (24 de setembro de 2014): 78–84. http://dx.doi.org/10.5564/mjc.v12i0.177.

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Chromatographic separation of the crude extract obtained from the aerial parts of the Mongolian medicinal plant Scorzonera radiata yielded five new dihydrostilbenes [4], two new flavonoids, one new quinic acid derivative, as well as twenty known compounds including eight quinic acid derivatives, four flavonoids, two coumarins, five simple benzoic acids, and one monoterpene glycoside. We present here results on isolation and structural identification some active phenolic compounds from the Scorzonera radiata - eight quinic acid derivatives (quinic acid, 4,5-dicaffeoylquinic acid, 4,5-dicaffeoyl-epi-quinic acid, 3,5-dicaffeoylquinic acid, 3,5-dicaffeoyl-epi-quinic acid, chlorogenic acid, 5-p-coumaroylquinic acid (trans), 5-p-coumaroylquinic acid (cis)). Quinic acid derivatives exhibited antioxidative activity.DOI: http://dx.doi.org/10.5564/mjc.v12i0.177 Mongolian Journal of Chemistry Vol.12 2011: 78-84

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Ghouti, Dalila, Wahiba Rached, Moussaoui Abdallah, Tânia C. S. P. Pires, Ricardo C. Calhelha, Maria José Alves, Lazzouni Hamadi Abderrahmane, Lillian Barros e Isabel C. F. R. Ferreira. "Phenolic profile and in vitro bioactive potential of Saharan Juniperus phoenicea L. and Cotula cinerea (Del) growing in Algeria". Food & Function 9, n.º 9 (2018): 4664–72. http://dx.doi.org/10.1039/c8fo01392f.

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Juniperus phoenicea presented 3-p-coumaroylquinic acid as the main compound, while Cotula cinerea contained luteolin derivatives and 5-O-caffeoylquinic acid. The hydroethanolic extracts showed the highest bioactivities.

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Liu, Wei, Muhammad Farrukh Nisar e Chunpeng Wan. "Characterization of Phenolic Constituents from Prunus cerasifera Ldb Leaves". Journal of Chemistry 2020 (11 de janeiro de 2020): 1–5. http://dx.doi.org/10.1155/2020/5976090.

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To elucidate the chemical compositions of Prunus cerasifera Ldb leaves, the methanol extracts were firstly fractionated by ethyl acetate and n-butanol, respectively. The phenolic acid-rich fractions (ethyl acetate extracts) were further isolated by various chromatographic columns (CC) including MCI macroporous resin, normal-phase silica gel, Sephadex gel LH-20, octadecyl silane (ODS), and preparative HPLC to yield the phenolic compounds. The isolated compounds were analyzed by 1H-nuclear magnetic resonance (1H-NMR), 13C-NMR, and electrospray ionization mass spectral (ESI-MS) spectroscopy. Eleven phenolic acids were identified as p-coumaric acid (1), caffeic acid (2), ferulic acid (3), chlorogenic acid (4), 3-O-caffeoylquinic acid (5), 5-O-coumaroylquinic acid (6), 3-O-caffeoylquinic acid methyl ester (7), chlorogenic acid methyl ester (8), 3-O-caffeoyl-5-O-coumaroylquinic acid or 3-O-coumaroyl-5-O-caffeoylquinic acid (9), gallic acid (10), and protocatechuic acid (11). The current study pioneers to identify and report all the phenolic constituents from P. cerasifera Ldb leaves.

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Neto, Catherine C., Christine A. Dao, Michelle R. Salvas, Wesley R. Autio e Justine E. Vanden Heuvel. "Variation in Concentration of Phenolic Acid Derivatives and Quercetin Glycosides in Foliage of Cranberry that May Play a Role in Pest Deterrence". Journal of the American Society for Horticultural Science 135, n.º 6 (novembro de 2010): 494–500. http://dx.doi.org/10.21273/jashs.135.6.494.

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Several insect herbivores have been anecdotally reported to prefer ‘Howes’ cranberry leaves (Vaccinium macrocarpon) over those of ‘Early Black’. A series of studies were undertaken to determine whether these anecdotal reports are accurate and to compare phenolic profiles in the foliage of ‘Early Black’ and ‘Howes’ for compounds that differ in concentration and could be further investigated as possible feeding deterrents. Gypsy moth larvae (Lymantria dispar) demonstrated a significant feeding preference for ‘Howes’ over ‘Early Black’. Red-headed flea beetle adults (Systena frontalis) demonstrated a similar but not statistically significant trend, whereas cranberry weevil (Anthonomus musculus) did not prefer either cultivar. Compounds giving rise to six peaks in the phenolic profile were significantly greater in concentration in ‘Early Black’ than ‘Howes’ on at least one of three sampling dates during the growing season. Five of these compounds were isolated from leaves harvested at the June time point coinciding with gypsy moth infestation and identified as: 5-O-caffeoylquinic acid, 3-O-p-coumaroylquinic acid, 5-O-p-coumaroylquinic acid, quercetin-3-O-galactoside, and quercetin-3-O-rhamnoside.

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Konan, Yao Kouakou François, Kan Modeste Kouassi, Kouakou Laurent Kouakou, Edmond Koffi, Koffi Nazaire Kouassi, Diabaté Sekou, Mongomaké Kone e Tanoh Hilaire Kouakou. "Effect of Methyl Jasmonate on Phytoalexins Biosynthesis and Induced Disease Resistance toFusarium oxysporum f. sp. Vasinfectumin Cotton (Gossypium hirsutumL.)". International Journal of Agronomy 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/806439.

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The effect of methyl jasmonate (MeJA) sprayed on cotton healthy leaves was evaluated in terms of inherent bioactive chemicals induction. The total phenolic content significantly increased after MeJA 5.0 mM treatments compared to the other tested concentrations (0; 2.5; 10; 15; 20 mM). Among the eleven phenolic compounds which were found except for ferulic acid, gossypetin, gossypol, 3-p-coumaroylquinic acid, and piceatannol were identified as major phenolic constituents of cotton. Their content also significantly increased after the MeJA treatment. In addition, gossypol increased 64 times compared to the control, in the 5.0 mM MeJA treatment. Furthermore, cichoric acid, chlorogenic acid, and pterostilbene are synthesizedde novoin leaves of MeJA-treated plant. Treatment of cotton leaves with MeJA 5.0 mM followed 72 h of incubation hampered the expression ofFusariumwilt caused byFusarium oxysporium f. sp. vasinfectum(FOV). MeJA efficiency was concentration and incubation time dependent. Disease severity on MeJA-treated leaves was significantly lower as compared to the control. Therefore, the high content of gossypetin, gossypol, 3-p-coumaroylquinic acid, ferulic acid, and piceatannol and the presence of cichoric acid, chlorogenic acid, and pterostilbene in plants treated with MeJA, contrary to the control, are essential to equip the cotton compounds with defences or phytoalexins against FOV.

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Luo, Xiaowei, Lipeng Zhou, Shukai Wang, Jing Yuan, Zihao Chang, Qian Hu, Yinxin Chen et al. "The Therapeutic Effect and the Potential Mechanism of Flavonoids and Phenolics of Moringa oleifera Lam. Leaves against Hyperuricemia Mice". Molecules 27, n.º 23 (25 de novembro de 2022): 8237. http://dx.doi.org/10.3390/molecules27238237.

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The aim of this study is to evaluate the anti-hyperuricemia effect and clarify the possible mechanisms of flavonoids and phenolics of MOL (MOL-FP) in mice. Hyperuricemia mice were generated via intraperitoneal (i.p.) administration of potassium oxonate (PO) and oral gavage (p.o.) of hypoxanthine (HX). Serum uric acid (UA), weight, serum XO activity, hepatic XO activity, urea nitrogen (BUN), creatinine (CRE), serum AST level, serum ALT level, mRNA expression of renal urate-anion transporter 1 (URAT1), glucose transporter 9 (GLUT9), organic anion transporters 1 (OAT1), organic anion transporters 3 (OAT3), and ATP-binding cassette transporter G2 (ABCG2) were determined. The molecular docking was conducted using AutoDock Vina 1.2.0 to screen potential XO inhibitors in MOL-FP. Serum metabolomics was established to collect the metabolic profiles of mice and explore the metabolic changes that occurred after MOL-FP treatment. MOL-FP could notably reduce the serum UA level of hyperuricemia mice by inhibiting XO activity and regulating renal urate transporters. Molecular docking studies indicated that 5-p-coumaroylquinic acid, 3-p-coumaroylquinic acid, and catechin could be potential XO inhibitors. Besides, MOL-FP prevented the pathological process of hyperuricemia by regulating biomarkers associated with purine metabolism, amino acid metabolism, and lipid metabolism.

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Koffi, Jean-Michel Kouamé, Philomène Akoua Yao-Kouassi, Abdulmagid Alabdul Magid, Evariste Zachée Louis Akissi e Laurence Voutquenne-Nazabadioko. "A new flavanocoumarin glucoside from the roots of Lannea kerstingii". International Journal of Biological and Chemical Sciences 16, n.º 4 (1 de novembro de 2022): 1756–64. http://dx.doi.org/10.4314/ijbcs.v16i4.31.

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An undescribed phyllocoumarin-3-O-α-L-rhamnopyranoside 8 together with catechin 1, catechin-3-O-α-L-rhamnopyranoside 2, catechin-[7,8-bc]-4β-(3,4-dihydroxyphenyl)-dihydro-2(3H)-pyranon 3, 5-O-trans-p-coumaroylquinic acid 4, trans-p-coumaric acid 5, catechin-[5,6-e]-4β-(3,4-dihydroxyphenyl)-dihydro-2(3H)-pyranon 6, catechin-[5,6-e]-4α-(3,4-dihydroxyphenyl)-dihydro-2(3H)- pyranon 7, phyllocoumarin 9 and vaccinin A 10 were isolated from the roots of Lannea kerstingii. The structures of the compounds were established using NMR, IR and HR-ESI-MS spectroscopic analysis.

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Grishchenko, Olga V., Valeria P. Grigorchuk, Galina K. Tchernoded, Olga G. Koren e Victor P. Bulgakov. "Callus Culture of Scorzonera radiata as a New, Highly Productive and Stable Source of Caffeoylquinic Acids". Molecules 27, n.º 22 (17 de novembro de 2022): 7989. http://dx.doi.org/10.3390/molecules27227989.

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During our ongoing efforts to investigate biotechnological sources of caffeoylquinic acid (CQA) metabolites, we discovered the plant Scorzonera radiata Fisch. (Asteraceae), which is able to produce callus cultures with high yield and extremely high stability. An actively growing callus line, designated as Sr-L1, retained the ability to produce 11 CQAs during long-term cultivation (more than 20 years). A total of 29 polyphenolic compounds were identified in the leaves and Sr-L1 callus culture of S. radiata, including CQAs, lignol derivatives, flavonoids, and dihydrostilbenes. The composition of CQAs in the Sr-L1 culture was identical to that in the S. radiata leaves. Sr-L1 calli did not produce flavonoids and dihydrostilbenes, but produced lignol derivatives, which were absent in leaves. The HPLC-UV-HRMS determination showed the presence of monoacyl derivatives of CQAs such as 5-CQA, 4-CQA, cis-5-CQA, and 5-O-p-coumaroylquinic acid in the Sr-L1 culture. Among diacyl derivatives, 3,4-diCQA, 3,5-diCQA, cis-3,5-diCQA, 4,5-diCQA, 3-O-p-coumaroyl-5-O-CQA, and 3-O-caffeoyl-5-O-p-coumaroylquinic acid were found. The content of 5-CQA reached 7.54 mg/g dry weight and the content of 3,5-diCQA was as high as 18.52 mg/g dry weight. 3,5-diCQA has been reported to be of high nutritional and pharmacological value, as it alleviates inflammatory pain, reverses memory impairment by preventing neuronal apoptosis, and counteracts excessive adipose tissue expansion, serving as an attractive treatment option for obesity. The high content of 3,5-diCQA and the exceptional stability of biosynthesis make callus cultures of S. radiata a promising source for the development of drugs and nutraceuticals.

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