Bioactive emulsions with beneficial antimicrobial application in textile material production
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ORIGINAL RESEARCH
Bioactive emulsions with beneficial antimicrobial application in textile material production Carmen Zaharia . Mariana Diaconu . Emil Ioan Muresan . Angela Danila . Alina Popescu . Genoveva Rosu
Received: 16 March 2020 / Accepted: 29 August 2020 Springer Nature B.V. 2020
Abstract This study reports a novel application of four emulsions based on thyme essential oil-beeswax matrix with beneficial antimicrobial and induced wellbeing effects (e.g., aromatherapeutic patches and socks, decorative pillows) that can be used in textile materials manufacturing (e.g. bandages, dressings, patches). These emulsions were properly prepared by varying the beeswax (2–4% w/v) and essential oil (2–4% v/v) concentrations, and characterized based on several physical–chemical quality indicators (pH, density, acidity and peroxide indexes, total polyphenols, flavonoids and fatty acids). The stability of emulsions and creaming index were highlighted by optical microscopy. The release of thyme essential oil incorporated in beeswax matrix was estimated through UV/
Visible spectrophotometry. The bioactive compounds (total polyphenols and flavonoids) from emulsions, applied on cotton support, are the principal responsible constituents for textile antibacterial activity, which was evaluated against two bacteria (E. coli and St. aureus). The diameter of inhibition zone referring to each bacterial strain growth ranges from 31.0 to 43.2 mm for E. coli bacteria and from 33.2 to 53.2 mm for St. aureus bacteria (due to biological active compounds release, depending on the diffusion degree). Comfort performances (hygroscopicity and vapor permeability) of the treated cotton support have also been evaluated. The obtained results recommend these bioactive emulsions with antibacterial action in textile materials production.
C. Zaharia (&) M. Diaconu Department of Environmental Engineering and Management, ‘Cristofor Simionescu’ Faculty of Chemical Engineering and Environmental Protection, ‘‘Gheorghe Asachi’’ Technical University of Iasi, 73 Prof. Dr. Docent D. Mangeron Blvd, 700050 Iasi, Romania e-mail: [email protected]; [email protected]
A. Danila G. Rosu Faculty of Industrial Design and Business Management, ‘‘Gheorghe Asachi’’ Technical University of Iasi, 29 Prof. Dr. Docent D. Mangeron Blvd, 700050 Iasi, Romania e-mail: [email protected]
M. Diaconu e-mail: [email protected] E. I. Muresan Department of Organic, Biochemical and Food Engineering, ‘Cristofor Simionescu’ Faculty of Chemical Engineering and Environmental Protection, ‘‘Gheorghe Asachi’’ Technical University of Iasi, 73 Prof. Dr. Docent D. Mangeron Blvd, 700050 Iasi, Romania e-mail: [email protected]
G. Rosu e-mail: [email protected] A. Popescu The National Research-Development Institute for Textiles and Leather Research, 16 Lucret¸ iu Pa˘tra˘s¸ canu Street, 0305083 Bucharest, Romania e-mail: [email protected]
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Cellulose
Graphic abstract
Keywords Antimicrobial activity Comf
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