Formulasi dan Evaluasi Sediaan Day Cream yang mengandung Ekstrak Metanol Daun Lengkeng (Dimocarpus longan L.)

Authors

  • Ririn Universitas Muslim Indonesia
  • Vina Purnamasari M Universitas Muslim Indonesia
  • Yunita Afsyari Dewi Universitas Muslim Indonesia

DOI:

https://doi.org/10.52434/jifb.v16i2.42139

Keywords:

antioksidan, daun lengkeng, day cream, emulgator

Abstract

Kecenderungan penggunaan bahan-bahan alami dalam produk kosmetik meningkat karena manfaatnya yang mendukung kesehatan kulit serta kelestarian lingkungan. Daun lengkeng (Dimocarpus longan L.) diketahui mengandung senyawa dengan efek antioksidan dan antiinflamasi, sehingga berpotensi sebagai komponen aktif dalam kosmetik. Penelitian ini bertujuan mengembangkan formula day cream yang mengandung ekstrak metanol daun lengkeng sebagai zat antioksidan, dengan perbandingan emulgator triethanolamine (TEA) dan asam stearat bervariasi dari 1:1 hingga 2:3. Proses formulasi menggunakan metode in situ, dengan pemanasan terpisah fase air dan minyak pada suhu 75–80°C sebelum dikombinasikan melalui homogenisasi berkecepatan tinggi untuk membentuk emulsi yang stabil. Uji stabilitas dilakukan melalui penyimpanan bergantian pada suhu  (5°C dan 35°C) selama 10 siklus, masing-masing berlangsung 12 jam. Evaluasi formulasi mencakup sifat organoleptik, pH, homogenitas, jenis emulsi, daya sebar, viskositas, sifat alir, serta uji aktivitas antioksidan. Pengujian aktivitas antioksidan dilakukan menggunakan metode DPPH dan diukur dengan spektrofotometer UV-Vis untuk menentukan nilai IC₅₀. Hasil menunjukkan bahwa ekstrak metanol daun lengkeng dapat diformulasikan secara stabil dalam bentuk krim. Formula dengan rasio TEA:asam stearat 2:1 (F4) menunjukkan kestabilan fisik terbaik dan aktivitas antioksidan yang tinggi dengan nilai IC₅₀ sebesar 84,357 μg/mL. Temuan ini mengindikasikan bahwa krim yang diformulasikan berpotensi sebagai produk perawatan kulit alami dengan kemampuan antioksidan.

Author Biography

Vina Purnamasari M, Universitas Muslim Indonesia

Fakultas Farmasi, Asisten Ahli IIIb

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Published

2025-07-31

Issue

Vol. 16 No. 2 (2025): Jurnal Ilmiah Farmako Bahari

Section

Research Article

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