{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:24:28Z","timestamp":1787027068365,"version":"build-2736575974"},"reference-count":78,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,4,29]],"date-time":"2021-04-29T00:00:00Z","timestamp":1619654400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pharmacol."],"abstract":"<jats:p>\n                    <jats:italic>Thymus serrulatus,<\/jats:italic>\n                    an endemic plant of Ethiopia, is traditionally used to cure various diseases and as a food ingredient. In the Ethiopian folk medicine, the decoction is orally taken as a remedy to treat diabetes and high blood pressure. The purpose of the present study was to evaluate the antioxidant and antihyperglycemic effects of the aqueous extract and of the essential oil of\n                    <jats:italic>Thymus serrulatus<\/jats:italic>\n                    . The chemical composition of the aqueous extract was determined by LC-MS and the essential oil was characterized by GC-MS analysis. Radical scavenging assays, namely scavenging of 2,2-diphenyl-1-picrylhydrazyl (DPPH\n                    <jats:sup>\u2022<\/jats:sup>\n                    ), hydroxyl (\n                    <jats:sup>\u2022<\/jats:sup>\n                    OH), and nitric oxide (\n                    <jats:sup>\u2022<\/jats:sup>\n                    NO), were used as a first approach to screen the potential antioxidant abilities of the samples. Alpha-amylase and \u03b1-glucosidase inhibitory studies were also employed to evaluate the\n                    <jats:italic>in vitro<\/jats:italic>\n                    antihyperglycemic potential of the plant. The\n                    <jats:italic>in vivo<\/jats:italic>\n                    blood glucose lowering effect of the extracts was assessed using hypoglycemic activity and the oral glucose tolerance test in normal and in streptozotocin induced diabetic mice. When compared to the aqueous extract, the essential oil showed superior radical scavenging activity, particularly for\n                    <jats:sup>\u2022<\/jats:sup>\n                    NO, as well as greater inhibitory potency against \u03b1-amylase and \u03b1-glucosidase (IC\n                    <jats:sub>50<\/jats:sub>\n                    = 0.01\u00a0mg\/ml and 0.11\u00a0mg\/ml, respectively). Both tested samples showed a statistically significant antihyperglycemic effect. The aqueous extract at 600\u00a0mg\/kg exerted maximum antihyperglycemic activity (44.14%), followed by the essential oil (30.82%). Body weight and glucose tolerance parameters were also improved by the samples both in normal and diabetic mice. The findings of this study support the hypothesis that aqueous extract and essential oil of\n                    <jats:italic>T. serrulatus<\/jats:italic>\n                    are promising therapeutic agents.\n                  <\/jats:p>","DOI":"10.3389\/fphar.2021.621536","type":"journal-article","created":{"date-parts":[[2021,4,29]],"date-time":"2021-04-29T04:27:54Z","timestamp":1619670474000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":18,"title":["Chemical Composition, Antioxidant Potential, and Blood Glucose Lowering Effect of Aqueous Extract and Essential Oil of Thymus Serrulatus Hochst. Ex Benth"],"prefix":"10.3389","volume":"12","author":[{"given":"Tesfay","family":"Haile","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susana M.","family":"Cardoso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chirle","family":"de Oliveira Raphaelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ol\u00edvia R.","family":"Pereira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elisa dos Santos","family":"Pereira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ma\u0301rcia","family":"Vizzotto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonardo","family":"Nora","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adissu Alemayehu","family":"Asfaw","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gomathi","family":"Periasamy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aman","family":"Karim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2021,4,29]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1029","DOI":"10.1177\/1934578X1601100739","article-title":"Antioxidant, Anti-inflammatory and Anti-hyperglycaemic Activities of Essential Oils from Thymbra Capitata, Thymus Albicans, Thymus Caespititius, Thymus Carnosus, Thymus Lotocephalus and Thymus Mastichina from Portugal","volume":"11","author":"Aazza","year":"2016","journal-title":"Nat. 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