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All Journal Journal of Innovation and Applied Technology Jurnal Teknik Kimia dan Lingkungan
Chandrawati Cahyani
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Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Energy Engineering Materials Science & Nanotechnology

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The Effect of the Addition of Fragrant Citronella Oil and Rhodinol to the handsanitizer on the Antibacterial Power of Staphylococcus aureus Aji Hendra Sarosa; Vivi Nurhadianty; Luthfi Kurnia Dewi; Chandrawati Cahyani
Journal of Innovation and Applied Technology Vol 8, No 1 (2022)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiat.2022.008.01.1

Abstract

Hand sanitizer is an alternative to washing hands, it can also be antibacterial. Citronella and rhodinol oils consists of monoterpene compounds with major components in the form of aldehydes and alcohol. The oils have antibacterial properties. This study aims to increase the antibacterial power of the hand sanitizer by adding citronella and rhodinol. The experimental research method was carried out in a laboratory with two stages. The first stage was making hand sanitizers with variations in the addition of citronella and rhodinol. The second stage is to test the antibacterial power of the products. The addition of citronella oil and rhodinol can increase the inhibition zone against Staphylococcus aureus bacteria. The addition of rhodinol as an additive to the hand sanitizer gave a greater inhibition zone effect than the addition of citronella oil. The good result is a hand sanitizer made from 96% alcohol with 1% rhodinol additive.
Potential of Citronella Oil and Gum Rosin as Antimicrobial Agents in Floor Cleaner Liquid Against Salmonella thypi Wa Ode Cakra Nirwana; Chandrawati Cahyani; Vivi Nurhadianty
Jurnal Teknik Kimia dan Lingkungan Vol. 7 No. 2 (2023): October 2023
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtkl.v7i2.3737

Abstract

Some floor cleaner products on the market contain antimicrobial agents that are harmful to humans and the environment, such as benzalkonium chloride. Therefore, searching for a new antimicrobial agent that is relatively safe is a significant challenge. In this study, we investigated the best formula for making floor cleaner using citronella oil and gum rosin as antimicrobial agents. Its antimicrobial activity against Salmonella thypi was investigated and compared with that of a commercial floor cleaner containing benzalkonium chloride. Five concentrations and ratios of citronella oil and gum rosin were investigated. The quality of floor cleaner in terms of pH range and the stability of the emulsion in hard water was assessed according to SNI 06-1842-1995. The results showed that all formulas met the pH range required by SNI, except for formulas containing citronella oil alone. The emulsion in hard water was stable for all formulas. The antimicrobial activity increased with increasing concentrations of antimicrobial agents. Citronella oil exhibited higher antimicrobial activity than gum rosin. Benzalkonium chloride showed higher microbial activity than gum rosin but lower than citronella oil. The combination of citronella oil and gum rosin showed higher microbial activity by 1.1–2.4 times than formulas containing benzalkonium chloride. The optimum floor cleaner formula (a concentration of citronella oil and gum rosin of 2% with a ratio of 1:1) has an inhibition zone diameter of 22.2 mm.
Co-Authors Aji Hendra Sarosa Luthfi Kurnia Dewi Vivi Nurhadianty, Vivi Wa Ode Cakra Nirwana