{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T06:11:57Z","timestamp":1782022317564,"version":"3.54.5"},"reference-count":60,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,2,9]],"date-time":"2023-02-09T00:00:00Z","timestamp":1675900800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry &amp; Biodiversity"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Plectranthus amboinicus<\/jats:italic> (Lour.) Spreng, known as the Indian borage or Mexican mint, is one of the most documented species in the family <jats:italic>Lamiaceae<\/jats:italic> for its therapeutic and pharmaceutical values. It is found in the tropical and subtropical regions of the world. The leaf essential oil has immense medicinal benefits like treating illnesses of the skin and disorders like colds, asthma, constipation, headaches, coughs, and fevers. After analyzing earlier reports with regard to the quantity and quality of leaf oil yield, we discovered that the germplasm taken from Odisha is preferable to other germplasms. The objective of the present work is to evaluate the free radical scavenging activity and bactericidal effect of leaf essential oil (EO) of <jats:italic>Plectranthus amboinicus<\/jats:italic> (Lour.) Spreng collected from the state of Odisha, India. The hydro distillation technique has been used for essential oil extraction. Upon GC\/MS analysis, approximately 57 compounds were identified with Carvacrol as the major compound (peak area=20.25\u2009%), followed by <jats:italic>p\u2010<\/jats:italic>thymol (peak area=20.17\u2009%), o\u2010cymene (peak area=19.41\u2009%) and carene (peak area=15.89\u2009%). On evaluation of free radical scavenging activity, it was recorded that the best value of inhibitory concentration, was for DPPH with IC<jats:sub>50<\/jats:sub>=18.64\u2005ppm and for H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> with IC<jats:sub>50<\/jats:sub>=9.35\u2005ppm. The EO showed efficient bactericidal effect against both gram positive (<jats:italic>Mycobacterium smegmatis<\/jats:italic>, <jats:italic>Staphylococcus aureus<\/jats:italic>, <jats:italic>Enterococcus faecium<\/jats:italic>) and gram negative (<jats:italic>Escherichia coli<\/jats:italic>, <jats:italic>Vibrio cholerae<\/jats:italic>, <jats:italic>Klebsiella pneumoniae<\/jats:italic>) bacteria studied through well diffusion method. Fumigatory action of the essential oil was found against <jats:italic>M. smegmatis<\/jats:italic>, the model organism for tuberculosis study. Alamar Blue assay, gave a result with MIC value for <jats:italic>M. smegmatis<\/jats:italic> i.\u2009e., 0.12\u2005\u03bcg\/ml and the MBC value of 0.12\u2005\u03bcg\/ml. Hence, <jats:italic>P. amboinicus<\/jats:italic> found in Odisha can be suggested as an elite variety and should be further investigated for efficient administration in drug formulation.<\/jats:p>","DOI":"10.1002\/cbdv.202200691","type":"journal-article","created":{"date-parts":[[2023,1,24]],"date-time":"2023-01-24T12:05:36Z","timestamp":1674561936000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["GC\/MS Profiling and Evaluation of Leaf Essential Oil for Bactericidal Effect and Free Radical Scavenging Activity of <i>Plectranthus amboinicus<\/i> (Lour.) Spreng Collected from Odisha, India"],"prefix":"10.1002","volume":"20","author":[{"given":"Biswajit","family":"Jena","sequence":"first","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bhagyashree","family":"Biswal","sequence":"additional","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashirbad","family":"Sarangi","sequence":"additional","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alok Kumar","family":"Giri","sequence":"additional","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Debapriya","family":"Bhattacharya","sequence":"additional","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8434-8500","authenticated-orcid":false,"given":"Laxmikanta","family":"Acharya","sequence":"additional","affiliation":[{"name":"Molecular Biology and Genetic Engineering Lab Center for Biotechnology Siksha O Anusandhan (Deemed to be University)  Bhubaneswar Odisha India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,2,9]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"publisher","DOI":"10.3390\/molecules21040369"},{"key":"e_1_2_9_2_1","unstructured":"\u2018Report of the Task Force on Conservation & Sustainable use of Medicinal Plants\u2019 Gov. 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