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Correlation of Extract Composition in Antioxidant activity of electrospun PolyvinylPyrrolidone/Binahong (Bassela rubra linn) leaf Extract composite
Eka Lutfi Septiani1*, Azmi Alvian gabriel1, Okky Putri Prastuti1, Defi Nur Indahsari1, Ervina Dyah1, Siti Machmudah2, Sugeng Winardi2, Wahyudiono3, Hideki Kanda3, Motonobu Goto3

1Department of Chemical Engineering, Universitas Internasional Semen Indonesia, Gresik 61122, Indonesia
2Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya 60111, Indonesia
3Department of Material Process Engineering, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya 464-8603, Japan


Abstract

Nanofiber through electrospinning process has been developed as a promising material for wound dressing due to its large porosity and high surface area. This characteristic of nanofiber provides a good gas permeability surrounding the wound which prevents a healing failure. The best wound dressing not only maintain a wound has a good gas permeability but also has an active agent to give an antibacterial and antiinflammation property. This research aims to combine a synthetic polymer and active agent, polyvinylpyrrolidone (PVP) and Binahong extract (BE), become nanofibrous material. The electrospinning process was conducted in two steps. The first step is to obtain the best condition PVP electrospinning with the voltage of 10, 12, 15, 17 kV, then combined PVP to 2%, 5%, 8% of BE in the second step. The first step shows the best operation condition in 12 kV so that to be used in different BE percentage. Based on 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay, the result indicates that reducing the BE composition will increase the antioxidant activity.

Keywords: nanofiber, electrospinning, binahong (basella rubra linn) extract, antioxidant activity

Topic: Smart materials

Link: https://ifory.id/abstract/QxYdvf26Lcjy

Conference: International Conference on Renewable Energy (ICORE 2019)

Plain Format | Corresponding Author (Eka Lutfi Septiani)

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