1 Origanum vulgare L. oregano. Plants Database, United States Department of Agriculture, http://plants.usda.gov/ORVU, January 2011.
2 Kirtland, OH. Oregano and Marjoram: An Herb Society of America Guide to the genus Origanum. The Herb Society of America, 2005.
3 Azcan N, kara M, Demirci B, Baser K. Fatty acids of seeds of Origanum onites L. and O. vulgare L. Lipids, 2004; 39(5): 487-489
4 Derwich E et al. Phytochemical Analysis and in vitro Antibacterial Activity of the Essential Oil of Origanum vulgare from Morocco. American-Eurasian Journal of Scient. research, 2010; 5(2): 120-129
5 Mockutë D, Judþentienë A and Bernotienë G. Volatile constituents of cultivated Origanum vulgare L. inflorescences and leaves. CHEMIJA, 2004; 1 (15): 33-37
6 Xu H, Delling M, Jun JC, Clapham DE. Oregano, thyme and clove-derived flavors and skin sensitizers activate specific TRP channels. Nat. Neurosci. 2006; 9(5): 628-35.
7 Trombetta D et. al. Mechanisms of Antibacterial Action of Three Monoterpenes. AAC, 2005 49(6): 2474-2478.
8 Hu D and Coats J. Evaluation of the environmental fate of thymol and phenethyl propionate in the laboratory. Pest Manag Sci. 2008; 64: 775-779  
9 Sokovic M et al. Antibacterial effects of the essential oils of commonly consumed medicinal herbs using an in vitro model. Molecules. 2010; 15(11): 7532-46.
10 Nostro A et al. Effects of oregano, carvacrol and thymol on Staphylococcus aureus and Staphylococcus epidermidis biofilm. Journal of Medical Microbiology, 2007; 56: 519-523
11 Mathlouthi N et al. Use of rosemary, oregano, and a commercial blend of essential oils in broiler chickens: in vitro antimicrobial activities and effects on growth performance. J Anim Sci. 90(3): 813-823, 2012
12 Toscano Mendes de Oliveira JL et al. Effectiveness of Origanum vulgare L. and Origanum majorana L. Essential oils in Inhibiting the Growth of Bacterial Strains Isolated from the Patients with Conjunctivitis. Brazilian Archives of Biology and Technology, 2009; Vol.52(1): 45-50
13 Busatta C al. Brazilian Journal of Microbiology, 2007
14 Derwich E et al. American-Eurasian Journal of Scientific research, 2010
15 Gutierrez J, Rodriguez G, Barry-Ryan C, Bourke P. Efficacy of plant essential oils against foodborne pathogens and spoilage bacteria associated with ready-to-eat vegetables: antimicrobial and sensory screening.  J Food Prot. 2008; 71(9): 1846-54.
16 Kiské G and Roller S. Carvacrol and p-cymene inactivate Escherichia coli O157:H7 in apple juice. BMC Microbiology, 2005; 5(36) 1471-80
17 Manohar et al. Antifungal activities of origanum oil against Candida albicans. Molecular and Cellular Biochemistry, 2001; 228: 111-117
18 Pozzatti P et al. In vitro activity of essential oils extracted from plants used as spices against fluconazole-resistant and fluconazolesusceptible Candida spp. Can J Microbiol. 2008; 54(11): 950-6.
19 Rosato A et al. In vitro synergic efficacy of the combination of Nystatin with the essential oils of Origanum vulgare and Pelargonium graveolens against some Candida species. Phytomedicine, 2009; 16: 972-975
20 Bagamboula CF, Uyttendaele M, Debevere J. Inhibitory effect of thyme and basil essential oils, carvacrol, thymol, estragol, linalool and p-cymene towards Shigella sonnei and S. flexneri.  Food Microbiology, 2004; 21: 33-42
21 Bukovská et al. Effects of a Combination of Thyme and Oregano Essential Oils on TNBS-Induced Colitis in Mice. Mediators of Inflammation, Volume 2007
22 Paur I et al. Extract of oregano, coffee, thyme, clove and walnuts inhibits NF-kappaB in monocytes and in transgenic reporter mice. Cancer Prev Res. 2010; 3(5):653-63
23 Bukovská et al. Mediators of Inflammation, 2007
24 Ocaña-Fuentes A,  Arranz-Gutiérrez E, Señorans FJ, Reglero G. Supercritical fluid extraction of oregano (Origanum vulgare) essentials oils: Anti-inflammatory properties based on cytokine response on THP-1 macrophages. Food and Chemical Toxicology, 2010; 48: 1568-1575
25 Ragi J et al. Oregano extract ointment for wound healing: a randomized, double-blind, petrolatum-controlled study evaluating efficacy. J Drugs Dermatol. 10(10):1168-72, 2011.
26  Shan B, Cai YZ, Sun M, Corke H. Antioxidant Capacity of 26 Spice Extracts and Characterization of Their Phenolic Constituents.  J. Agric. Food Chem. 2005; 53, 7749-7759
27 Henning SM et al. Antioxidant capacity and phytochemical content of herbs and spices in dry, fresh and blended herb paste form. International Journal of Food Sciences and Nutrition, 2010
Luna A , Labaque A , Zygadlo JA  and Marin RH. Effects of thymol and carvacrol feed supplementation
on lipid oxidation in broiler meat Poultry Science, 2010; 89 :366-370
28 Yanishlievaa NV, Marinovaa EM, Michael H, Gordon MH and Ranevaa VG. Antioxidant activity and mechanism of action of thymol and carvacrol in two lipid systems. Food Chemistry; 64(1): 1999,59-66
29 Luna A , Labaque A , Zygadlo JA  and Marin RH. Effects of thymol and carvacrol feed supplementation on lipid oxidation in broiler meat Poultry Science, 2010; 89 :366-370
30 Mueller M et al. Oregano: A Source for Peroxisome Proliferator-Activated Receptor gamma Antagonists.  J. Agric. Food Chem. 2008; 56: 11621–11630
31 Manohar et al. Molecular and Cellular Biochemistry, 2001
32 Ocaña-Fuentes A,  Arranz-Gutiérrez E, Señorans FJ, Reglero G. Food and Chemical Toxicology, 2010
33 Al-Kalaldeh JZ, Abu-Dahab R, Afifi FU. Volatile oil composition and antiproliferative activity of Laurus nobilis, Origanum syriacum, Origanum vulgare and Salvia triloba against human breast adenocarcinoma cells. Nutrition Research, 2010; 30:271-278