{"id":2307,"date":"2024-03-30T13:19:00","date_gmt":"2024-03-30T13:19:00","guid":{"rendered":"https:\/\/cicds.umfcd.ro\/?post_type=lucrari_cercetari&p=2307"},"modified":"2024-10-01T13:25:15","modified_gmt":"2024-10-01T13:25:15","slug":"application-of-common-culinary-herbs-for-the-development-of-bioactive-materials","status":"publish","type":"lucrari_cercetari","link":"https:\/\/cicds.umfcd.ro\/en\/lucrari_cercetari\/application-of-common-culinary-herbs-for-the-development-of-bioactive-materials\/","title":{"rendered":"Application of Common Culinary Herbs for the Development of Bioactive Materials"},"content":{"rendered":"
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Application of Common Culinary Herbs for the Development of Bioactive Materials<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Lupuliasa AI, Baroi AM, Avramescu SM, Vasile BS, Prisada RM, Fierascu RC, Fierascu I, S\u0103rd\u0103rescu Toma DI, Ripszky Totan A, Voicu-B\u0103l\u0103\u0219ea B, Pi\u021buru SM, Popa L, Ghica MV, Dinu-P\u00eervu CE<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Plants<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\tAbstract\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Hyssop (Hyssopus officinalis<\/span>\u00a0L.) and oregano (Origanum vulgare<\/span>\u00a0L.), traditionally used for their antimicrobial properties, can be considered viable candidates for nanotechnology applications, in particular for the phytosynthesis of metal nanoparticles. The present work aims to evaluate the potential application of hyssop and oregano for the phytosynthesis of silver nanoparticles, as well as to evaluate the biological activities of their extracts and obtained nanoparticles (antioxidant potential, as well as cell viability, inflammation level and cytotoxicity in human fibroblasts HFIB-G cell line studies). In order to obtain natural extracts, two extraction methods were applied (classical temperature extraction and microwave-assisted extraction), with the extraction method having a major influence on their composition, as demonstrated by both the total phenolic compounds (significantly higher for the microwave-assisted extraction; the oregano extracts had consistently higher TPC values, compared with the hyssop extracts) and in terms of individual components identified via HPLC. The obtained nanoparticles ware characterized via X-ray diffraction (XRD) and transmission electron microscopy (TEM), with the lowest dimension nanoparticles being recorded for the nanoparticles obtained using the oregano microwave extract (crystallite size 2.94 nm through XRD, average diameter 10 nm via TEM). The extract composition and particle size also influenced the antioxidant properties (over 60% DPPH inhibition being recorded for the NPs obtained using the oregano microwave extract). Cell viability was not affected at the lowest tested concentrations, which can be correlated with the nitric oxide level. Cell membrane integrity was not affected after exposure to classic temperature hyssop extract-NPs, while the other samples led to a significant LDH increase.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Keywords: hyssop<\/a>;\u00a0oregano<\/a>;\u00a0phytosynthesis<\/a>;\u00a0silver nanoparticles<\/a>;\u00a0antioxidant<\/a>;\u00a0cell viability<\/a>;\u00a0inflammation level<\/a>;\u00a0cytotoxicity<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tDownload paper\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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