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All Journal International Journal of Evaluation and Research in Education (IJERE) al-Afkar, Journal For Islamic Studies IQRO: Journal of Islamic Education Jurnal Basicedu Al-Fatih: Jurnal Pendidikan dan Keislaman INTERACTION: Jurnal Pendidikan Bahasa AL-FIKR: Jurnal Pendidikan Islam Jurnal Surya Teknika Jurnal Tarbiyatuna : Kajian Pendidikan Islam Community Empowerment TASAMUH: Jurnal Studi Islam Jurnal Basicedu Al-khidmah: Jurnal Pengabdian dan Pendampingan Masyarakat Journal of Islamic Education Research Jurnal Tarbiyatuna : Kajian Pendidikan Islam At-Thariqah Jurnal Ekonomi
Fatma Sari
Institut Agama Islam Negeri Sorong
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health Social Sciences Other

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Formulasi Emulgel Masker Wajah Ekstrak Ubi Jalar Ungu (Ipomoea Batatas Var. Ayamurasaki) dengan Uji pH, Homogenitas, dan Aktivitas Antioksidan Kurniaty, Ika; Nugrahani, Ratri Ariatmi; Hasyim, Ummul Habibah; Sari, Fatma; Nurfida, Anita; Syafira, Izzatus
SURYA TEKNIKA Vol 13 No 1 (2026): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v13i1.11798

Abstract

The utilization of purple sweet potato (Ipomoea batatas var. Ayamurasaki) as a natural antioxidant agent in emulgel cosmetic formulations offers potential for developing effective facial skincare products. The anthocyanin pigments contained in purple sweet potato were extracted via the reflux method using 70% ethanol, yielding a 13% extract. The total anthocyanin content was measured at 26.72 mg/100g wet weight, providing potent antioxidant activity with an IC₅₀ value of 10.77 ppm. Various extract concentrations (F1–F6) incorporated into the emulgel base demonstrated physical characteristics that met cosmetic standards, including excellent homogeneity and a stable pH range between 5.3 and 6.8. The evaluation of antioxidant activity revealed a positive correlation between increasing extract concentration and the effectiveness of free radical scavenging. Formula F6 yielded the most optimal antioxidant activity with an IC₅₀ value of 8.39 ppm. These emulgel face mask preparations proved to be physically stable and possess significant skin protection potential against oxidative stress. Purple sweet potato is verified as a viable natural active ingredient for topical product formulation, providing functional added value for the development of nature-based cosmetics.
Co-Authors Abdul Azis Khoiri Abdul Zamal Nur Aditya, Shinta Agnesa, Oki Sandra Agus Yudiawan Agus Yudiawan Ahmad Izza Muttaqin Ahmadi Ahmadi Aldin Muas Budi Sunarso Bunyamin Bunyamin Chudzaifah, Ibnu Febriani, Susanda Fikri Hakim Putra Haerunnisa Haerunnisa, Haerunnisa Hermanto Hermanto Hermanto Ika Kurniaty Indria Nur Iswantir M Karfin Karfin Mawaddah Rahanyamtel Muhammad Rusdi Rasyid Muttaqin, Ahmad Izza Nafaizatul i Khasanat Nasrun, Achmad Nur Faizah Nurfida, Anita Oki Sandra Agnesa Pariama, Yuli Ratri Ariatmi Nugrahani Rosdiana Rosdiana Rusdin Rusdin Rusyaid Rusyaid, Rusyaid Said Hardianza Shinta Aditya Suharmoko, Suharmoko Syafira, Izzatus Ummul Habibah Hasyim