Application of a binary mixture of bio-extract on organic cotton fabric

Abstract

Rosmarinus officinalis and Psidium guajava plant leaves are having rich sources of natural nutrients and phytochemical compounds. These phytochemical compounds inhibit the growth of microorganisms present in fewer animals and the human body. In this study, wound healing property was developed on organic cotton fabric using an equal ratio of Rosmarinus officinalis and Psidium guajava extract by following the pad-dry-cure method. The presence of phytochemical compounds was ascertained through Thin Layer Chromatography (TLC) and the existence of the functional group in the herbal extract was analyzed by Fourier Transform Infrared Spectroscopy (FTIR). Microcapsules are prepared from the herbal extract using an ionic gelation process and applied to organic cotton fabric. The size of the particle present in the microencapsulated extract was confirmed using Scanning Electron Microscope. The antibacterial activity of the herbal extract and treated cotton fabric was evaluated using the agar well diffusion and parallel streak method. A high zone of inhibition attained against Escherichia coli and Staphylococcus aureus indicates antibacterial potency of the extract. The thickness, stiffness, air permeability, vertical wicking length, and water vapour permeability properties were marginally affected after treatment. The wound healing analysis of the treated fabrics was carried out using an in-vitro wound healing scratch assay.