Formulation of Handwash Essential Oil and Hydrosol of Lime Peel (Citrus aurantifolia) as Antibacterials

Formulasi Handwash Minyak Atsiri dan Hidrosol Kulit Jeruk Nipis (Citrus aurantifolia) Sebagai Antibakteri

Abstract

The hand is the body part that most frequently comes into contact with the external environment and is used in daily activities. This facilitates contact with microorganisms and the possibility of transferring to other objects. One of the natural ingredients that can be utilized as an antibacterial is lime (Citrus aurantifolia). The purpose of this study was to obtain a handwash preparation containing essential oil and lime peel hydrosol with antibacterial activity and characteristic results and physical stability in accordance with the requirements. This research method is laboratory experimental research with qualitative and quantitative methods. The results showed that the characteristics of the handwash preparation in the organoleptic test, pH, soap stability, and specific gravity met the requirements. Lime peel essential oil and hydrosol handwash preparations have antibacterial activity in the strong to very strong category with the diameter of the kill zone at concentrations of 10%, 17.5%, and 25% being 19.64 mm; 21.79 mm; 19.69 mm on Escherichia coli bacteria and 19.23 mm; 22.32 mm, and 20.66 mm on Staphylococcus aureus bacteria, respectively.