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Synthesis and Characterization of Solid Soap Based on Avocado Seed Oil (Persea Americana) with the Addition of Betel Leaf Extract (Piper Betle) as a Natural Antiseptic Active Ingredient Rafly Ramadhani Santoso; Sheira Putri Anjani; Ferra Naidir
Ambidextrous Journal of Innovation Efficiency and Technology in Organization Vol. 5 No. 02 (2026): Ambidextrous: Journal of Innovation, Efficiency and Technology in Organization
Publisher : Takaza Innovatix Labs Ltd.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61536/ambidextrous.v5i02.625

Abstract

The increasing public demand for safe antiseptic soap has encouraged the development of natural products as an alternative to synthetic antiseptics. This study aims to synthesize solid soap from avocado seed oil (Persea americana) with the addition of betel leaf extract (Piper betle) and to evaluate its physical characteristics and potential antibacterial activity. The study used a laboratory experimental method with a true experimental design through two formulations, namely the ratio of avocado seed oil to betel leaf extract of 2:1 and 4:1. The research sample consisted of two soap formulations tested using organoleptic observations, pH measurements, foam height and stability tests, and antibacterial activity tests using the well diffusion method against Staphylococcus aureus and Escherichia coli. Data analysis was carried out descriptively by comparing the characteristics of each formulation. The results showed that both formulations successfully produced solid soap with a pH of 10, a solid texture, a yellowish cream to golden yellow color, and foam stability of 70.0% at a 2:1 ratio and 72.7% at a 4:1 ratio. The 4:1 ratio formulation showed better physical quality than the 2:1 ratio. This study concludes that avocado seed oil and betel leaf extract have the potential to be developed as raw materials for natural antiseptic soap that is environmentally friendly and has good physical characteristics.