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The Phytochemical Profile and Photoprotective Potential of Bark and Leaves of Erythrina velutina Willd.—A Medicinal Species from the Caatinga Region of Brazil

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Journal of Biosciences and Medicines 2023年第12期11卷 325-342页

作者： Bruno de Almeida Andrade allan jonathan chernichiarro corrêa Ana Klarissa Soares Gomes Patrícia Maria da Silva Neri Cruz Aline Michaele de Saint-George Albuquerque Cheron Valerium Thijan Nobre de Almeidae Castro Décio Henrique Araújo Salvadôr de Mello Cláudia Sampaio de Andrade Lima Ricardo Yara Elba Lúcia Cavalcanti de Amorim Department of Pharmaceutical Sciences Federal University of Pernambuco Recife Brazil Pharmacy Course Mauricio de Nassau University Center Recife Brazil Department of Biophysics Federal University of Pernambuco Recife Brazil Departament of Biomedical Engineering Federal University of Pernambuco Recife Brazil

The use of medicinal plants as therapeutic and economic resources has been on the rise in recent years. In Brazil, however, increasing doubt is being cast on the quality of these products, owing to the prevalence of adulteration and fraud. Solar radiation can cause serious damage to human skin, as a result, mostly, of ultraviolet light, which is a cause of skin cancer. Photoprotective substances are capable of absorbing, reflecting, or refracting ultraviolet radiation and thus protecting skin from exposure to sunlight. The present study aimed to characterize samples and examine the phytochemical profile and photoprotective potential of bark and leaves of Erythrina velutina Willd. The samples underwent five extraction methods using 80% ethanol. The phenolic content was measured using spectrophotometry. Antioxidant activity was examined using the DPPH and the photoprotective properties of the plant extracts were assessed using the method developed by Mansur. There was a quantitative difference in some groups of metabolites, with higher levels of tannin in the bark and of flavonoids in the leaves. The latter showed greater DPPH free radical scavenging capacity than the bark, although higher levels of SPF were obtained from the bark, with no statistically significant differences between methods. The results indicate that Erythrina velutina Willd. has potential as a photoprotector.

关键词： Phytochemical Caatinga Phytochemistry Sun Protection Factor (SPF)

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Nature：大规模研究揭示生命所必需的基因

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现代生物医学进展 2016年第31期16卷 I0002-I0003页

作者： Dickinson, Mary E. Flenniken, Ann M. Ji, Xiao Teboul, Lydia Wong, Michael D. White, Jacqueline K. Meehan, Terrence F. Weninger, Wolfgang J. Westerberg, Henrik Adissu, Hibret Baker, Candice N. Bower, Lynette Brown, James M. Caddle, L. Brianna Chiani, Francesco Clary, Dave Cleak, James Daly, Mark J. Denegre, James M. Doe, Brendan Dolan, Mary E. Edie, Sarah M. Fuchs, Helmut Gailus-Durner, Valerie Galli, Antonella Gambadoro, Alessia Gallegos, Juan Guo, Shiying Horner, Neil R. Hsu, Chih-Wei Johnson, Sara J. Kalaga, Sowmya Keith, Lance C. Lanoue, Louise Lawson, Thomas N. Lek, Monkol Mark, Manuel Arschall, Susan M. Mason, Jeremy McElwee, Melissa L. Newbigging, Susan Nutter, Lauryl M. J. Peterson, Kevin A. Ramirez-Solis, Ramiro Rowland, Douglas J. Ryder, Edward Samocha, Kaitlin E. Seavitt, John R. Selloum, Mohammed Szoke-Kovacs, Zsombor Tamura, Masaru Trainor, Amanda G. Tudose, Ilinca Wakana, Shigeharu Warren, jonathan Wendling, Olivia West, David B. Wong, Leeyean Yoshiki, Atsushi MacArthur, Daniel G. Tocchini-Valentini, Glauco P. Gao, Xiang Flicek, Paul Bradley, allan Skarnes, William C. Justice, Monica J. Parkinson, Helen E. Moore, Mark Wells, Sara Braun, Robert E. Svenson, Karen L. de Angelis, Martin Hrabe Herault, Yann Mohun, Tim Mallon, Ann-Marie Henkelman, R. Mark Brown, Steve D. M. Adams, David J. Lloyd, K. C. Kent McKerlie, Colin Beaudet, Arthur L. Bucan, Maja Murray, Stephen A. Dept Mol Physiol & Biophys Houston TX 77030 USA Toronto Ctr Phenogen Toronto ON M5T 3H7 Canada Mt Sinai Hosp Toronto ON M5G 1X5 Canada Univ Penn Perelman Sch Med Genom & Computat Biol Program Philadelphia PA 19104 USA Med Res Council Harwell Mammalian Genet Unit Harwell OX11 0RD Oxon England Mary Lyon Ctr Harwell OX11 0RD Oxon England Hosp Sick Children Mouse Imaging Ctr Toronto ON M5T 3H7 Canada Wellcome Trust Sanger Inst Wellcome Trust Genome Campus Cambridge CB10 1SA England European Bioinformat Inst European Mol Biol Lab Wellcome Trust Genome Campus Cambridge CB10 1SD England Med Univ Vienna Ctr Anat & Cell Biol A-1090 Vienna Austria Hosp Sick Children 555 Univ Ave Toronto ON M5G 1X8 Canada Jackson Lab 600 Main St Bar Harbor ME 04609 USA Univ Calif Davis Mouse Biol Program Davis CA 95618 USA Italian Natl Res Council CNR Inst Cell Biol & Neurobiol Monterotondo Mouse Clin I-00015 Monterotondo Italy Massachusetts Gen Hosp Analyt & Translat Genet Unit Boston MA 02114 USA Broad Inst MIT & Harvard Program Med & Populat Genet Cambridge MA 02142 USA German Res Ctr Environm Hlth Helmholtz Zentrum Munchen Inst Expt Genet D-85764 Neuherberg Germany German Mouse Clin D-85764 Neuherberg Germany Baylor Coll Med Dept Mol & Human Genet Houston TX 77030 USA Nanjing Univ Nanjing Biomed Res Inst Collaborat Innovat Ctr Genet & Dev SKL Pharmaceut Biotechnol & Model Anim Res Ctr Nanjing 210061 Jiangsu Peoples R China Univ Strasbourg ICS Infrastruct Natl PHENOMIN F-67404 Illkirch Graffenstaden France Univ Strasbourg INSERM CNRS IGBMC F-67404 Illkirch Graffenstaden France RIKEN BioResource Ctr Tsukuba Ibaraki 3050074 Japan Childrens Hosp Oakland Res Inst Oakland CA 94609 USA IMPC San Anselmo CA 94960 USA Tech Univ Munich Sch Life Sci Weihenstephan Chair Expt Genet D-81675 Freising Weihenstephan Germany German Ctr Diabet Res DZD D-85764 Neuherberg Germany Francis Crick Inst Mill Hill Lab Mill Hill London NW1 1AT England Univ Penn Perlman

在哺乳动物基因组中。大约三分之一的基因是生命所必需的。在一项新的研究中，来自美国贝勒医学院等多个机构的研究人员描述了这些基因的大规模发现。以及它将如何影响对哺乳动物发育和人类疾病的理解。相关研究结果在线发表在Nature期... 详细信息

在哺乳动物基因组中。大约三分之一的基因是生命所必需的。在一项新的研究中，来自美国贝勒医学院等多个机构的研究人员描述了这些基因的大规模发现。以及它将如何影响对哺乳动物发育和人类疾病的理解。相关研究结果在线发表在Nature期刊上，论文标题为“High—throughput discovery of novel developmental phenotypes”。

关键词：动物基因组生命哺乳动物研究人员人类疾病医学院

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