Browsing by Author "Narisa Kamkaen"

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    Antimicrobial and antioxidant activities of traditional Thai herbal remedies for aphthous ulcers
    (2010) Chantana Mekseepralard; Narisa Kamkaen; Jenny M. Wilkinson; C. Mekseepralard; Department of Microbiology, Faculty of Medicine, Srinakharinwirot University, Klongtoei, Wattana, Bangkok 10110, Thailand; email: chantana@swu.ac.th
    Four medicinal plants (Quercus infectoria, Kaempferia galanga, Coptis chinensis and Glycyrrhiza uralensis) as well as one traditional Thai treatment for aphthous ulcers based on these four plants were tested for antimicrobial activity. MIC values for a range of bacteria and Candida albicans were determined, with both type strains and clinical isolates being used. Antioxidant activity was determined using the ABTS radical scavenging assay. Among the four plants, Q. infectoria showed antimicrobial activity against Staphylococcus aureus with an MIC of 0.41 mg/mL, while C. chinensis showed antifungal activity against C. albicans with an MIC of 6.25 mg/mL. Activity was also shown against a range of other organisms including Salmonella typhi, Serratia marcescens, Vibrio cholerae, Vibrio parahaemolyticus, Pseudomonas aeruginosa and Enterococcus faecalis. The antimicrobial activity of the traditional aphthous ulcer preparation (a powder) was comparable to that for the individual plant extracts, however, incorporation of the powder into a gel formulation resulted in the loss of almost all activity. All extracts, with the exception of K. galanga, also showed good antioxidant activity. This study supports the traditional use of these plants and suggests that they may also be useful in the treatment of other infections. © 2010 John Wiley & Sons, Ltd.
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    Chemical Components of Four Essential Oils in Aromatherapy Recipe
    (SAGE Publications Inc., 2015) Sarin Tadtong; Narisa Kamkaen; Rith Watthanachaiyingcharoen; Nijsiri Ruangrungsi; N. Kamkaen; Faculty of Pharmacy, Rangsit University, PathumThani, Muang district, 10200, Thailand; email: narisa.kamkaen@gmail.com; N. Kamkaen; Faculty of Science and Technology, Suan Dusit Rajabhat University, Dusit, 10300, Thailand; email: narisa.kamkaen@gmail.com
    This study focused on characterization of the chemical components of an aromatherapy recipe. The formulation consisted of four blended essential oils; rosemary oil, eucalyptus oil, pine oil and lime oil (volume ratio 6: 2: 1: 1). The single and combination essential oils were identified by gas chromatography-mass spectrometry (GC-MS). The analysis of GC-MS data revealed that several components exist in the mixture. The five most important components of the blended essential oils were 1,8-cineole (35.6 %), _-pinene (11.1 %), limonene (9.6 %), camphor (8.4 %), and camphene (6.6 %). The main components of rosemary oil were 1,8-cineole (37.3 %), _-pinene (19.3 %), camphor (14.7 %), camphene (8.8 %), and _-pinene (5.5 %); of eucalyptus oil 1,8-cineole (82.6 %) followed by limonene (7.4 %), o-cymene (4.3 %), _-terpinene (2.7 %), and _-pinene (1.5 %); of pine oil terpinolene (26.7 %), _-terpineol (20.50 %), 1-terpineol (10.8 %), _-pinene (6.0 %), and _-terpineol (5.3 %); and of lime oil limonene (62.9 %), _-terpinene (11.5 %), _-terpineol (7.6 %), terpinolene (6.0 %), and _-terpinene (2.8 %). The present study provided a theoretical basis for the potential application of blended essential oils to be used as an aromatherapy essential oil recipe. GC-MS serves as a suitable and reliable method for the quality control of the chemical markers. � 2015 SAGE Publications Inc.