Cinnamon oil and thyme oil were purchased from Sigma-Aldrich Co., Ltd (St. Louis, MO, USA). Fennel oil and origanum oil were purchased from Tokyo Chemical Industry Co., Ltd (Tokyo, Japan). Each viscous plant essential oil concentrate was diluted to 5 or 20% (v/v) solution in 95% ethanol for easy handling. Increasing doses of each plant essential oil (0, 0.1, 0.2, 0.5, 1, 2 and 5 μl/disc) were dropped onto sterile paper disc (8 mm in diameter) (Toyo Roshi Kaisha, Ltd, Tokyo, Japan) and 95% ethanol was additionally laid to make the same loading volume (50 μl) in each paper disc. These paper discs were air-dried for 20 min at room temperature to evaporate ethanol on a clean bench.
Origanum oil
Manufactured by Tokyo Chemical Industry
Sourced in Japan
Origanum oil is a natural essential oil extracted from the Origanum plant, commonly known as oregano. It is a clear to pale yellow liquid with a characteristic herbaceous aroma. The oil's core function is as a source of natural phenolic compounds, primarily carvacrol and thymol, which exhibit antimicrobial and antioxidant properties.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using origanum oil
1
Antimicrobial Evaluation of Plant Oils
2
Evaluation of Essential Oils and Compounds
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Four types of EOs: Origanum oil (Tokyo Chemical Industry) , peppermint oil (KISHIDA chemical) , cinnamon oil (KISHIDA chemical Co., Ltd., Osaka, Japan) and clove oil (KISHIDA chemical) , and Five types of EO components: AITC (Fuji Film Wako Pure Chemical Industries, Ltd., Osaka, Japan) , carvacrol (Tokyo Chemical Industry Co., Ltd., Tokyo, Japan) , citral (Tokyo Chemical Industry) , eugenol (Tokyo Chemical Industry) and (＋) -limonene (Tokyo Chemical Industry) , were used.
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