Formulation and Optimization of Avocado Oil (Persea americana oil) Emulsion as a Carrier for Vitamin E (α-Tocopherol) with Sun Protection Factor Analysis in Lotion Preparation

Laela Nur' Aini; Enggar Sulistyo Wibisono; Vita Paramita; Indah Hartati

doi:10.14710/jvsar.28442

DOI: https://doi.org/10.14710/jvsar.28442

Formulation and Optimization of Avocado Oil (Persea americana oil) Emulsion as a Carrier for Vitamin E (α-Tocopherol) with Sun Protection Factor Analysis in Lotion Preparation

Laela Nur' Aini¹, Enggar Sulistyo Wibisono¹, Vita Paramita¹

, Indah Hartati²

¹Department of Industrial Technology, Vocational College, Universitas Diponegoro, Semarang, 50275, Indonesia

²Chemical Engineering, Faculty of Engineering, Wahid Hasyim University, Semarang, 50236, Indonesia

Received: 8 Jul 2025; Revised: 13 Apr 2026; Accepted: 14 Apr 2026; Available online: 25 Apr 2026; Published: 30 Apr 2026.

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Abstract

This study aims to formulate and optimize an emulsion based on avocado oil (Persea americana oil) as a delivery system for vitamin E (α-tocopherol) in cream lotion preparations using the Response Surface Methodology (RSM). Avocado oil was chosen due to its high α-tocopherol content and skin benefits. Optimization was carried out by varying the stirring time, homogenization speed, and avocado oil–Tween 80 ratio. The resulting emulsion was evaluated for vitamin E content, Sun Protection Factor (SPF), viscosity, pH, density, and physical stability. The optimal formulation was achieved at 11.9 min of stirring, 1000 rpm speed, and a ratio of 0.4798, resulting in a vitamin E content of 0.0913% and an SPF value of 14.02. The results showed that the oil–Tween 80 ratio had a significant effect on SPF value, while stirring speed had a low effect on vitamin E content. This emulsion shows potential as an effective topical antioxidant and UV protection formulation.

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Keywords: Emulsion; Avocado Oil; Vitamin E; SPF

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Section: Original Research Articles

Language : EN

In 2026: JVSAR, Volume 8 Issue 1 Year 2026 (April 2026) (In Progress)

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