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All Journal Li Falah: Jurnal Studi Ekonomi dan Bisnis Islam Jurnal Sains Kesehatan
Hopipah, Popi
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Humanities Decision Sciences, Operations Research & Management Dentistry Health Professions Nursing Public Health Social Sciences Veterinary

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Formulasi Krim Tabir Surya Ekstrak Etanol Umbi Bengkuang (Pachyrhyzus erosus L.) dan Uji SPF Secara in Vitro Herliningsih, Herliningsih; Wiryani, Ani Siti; Priatni, Haty Latifah; Hopipah, Popi
Jurnal Sains Kesehatan Vol 32, No 1 (2025)
Publisher : Sekolah Tinggi Ilmu Kesehatan Tri Mandiri Sakti Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/jsk.32.1.44-55

Abstract

Paparan radiasi ultraviolet (UV) dari sinar matahari dapat menghasilkan radikal bebas yang menyebabkan perubahan pada kulit, termasuk kemerahan, pigmentasi, fotosensitivitas, penuaan dini, dan peningkatan risiko kanker kulit. Bengkuang (Pachyrhyzus erosus L.) mengandung antioksidan seperti vitamin C, flavonoid, dan saponin yang mencegah kerusakan kulit oleh radikal bebas. Penggunaan krim tabir surya bermanfaat untuk perawatan kulit karena nyaman digunakan, mudah diaplikasikan, tidak lengket, dan memiliki kemampuan penyebaran yang baik. Tujuan penelitian ini yaitu untuk memformulasikan sediaan krim tabir surya yang mengandung ekstrak etanol umbi bengkoang dan menentukan nilai Sun Protection Factor (SPF) krim ekstrak bengkuang secara in vitro. Metode yang digunakan meliputi formulasi tiga jenis krim tabir surya dengan variasi konsentrasi ekstrak bengkuang (F1 5%, F2 10%, dan F3 20%) serta variasi nilai HLB dari kombinasi emulsifier Span 60 dan Tween 80. Evaluasi krim meliputi uji organoleptik, homogenitas, pH, daya sebar, daya lekat, viskositas, dan jenis krim. Nilai SPF ditentukan menggunakan spektrofotometri UV-Vis pada panjang gelombang 290–320 nm. Hasil penelitian menunjukkan semua formula memenuhi kriteria krim yang baik, dengan formula paling baik pada konsentrasi 10%. Nilai SPF masing-masing formula adalah 4,54 (F1), 4,59 (F2), dan 4,96 (F3). Kesimpulannya, krim dengan ekstrak etanol umbi bengkuang 20% memiliki nilai SPF tertinggi dan termasuk kategori perlindungan sedang.Kata Kunci: antioksidan, bengkuang, krim, spektrofotometri UV-Vis, SPF
Strategic Dimensions of Islamic Banking: A Focus on Service Quality and Facilities Impacting Savings Budiarti, Sari; Roisiyatin, Roisiyatin; Aziz, Abdul; Masriah, Siti; hopipah, Popi
Li Falah: Journal of Islamic Economics and Business Vol. 8 No. 2 (2023): December 2023
Publisher : Institut Agama Islam Negeri Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/lifalah.v8i2.8565

Abstract

This study aims to examine the effect of administrative service quality and office facilities on savings premiums at Indonesian Islamic banks (BSI). The position of research from existing research is by setting 3 (three) hypotheses, including H1: Service Quality (X1) has a positive effect on Interest in Saving (Y). H2: Facility Quality (X2) has a positive effect on Interest in Saving (Y). H3: Service Quality (X1) and Facility Quality (X2) together have a positive effect on Interest in Saving (Y). The data in this study were obtained through a questionnaire consisting of three variables using a Likert scale on customers or users of Bank Syariah Indonesia (BSI). The data testing method in this study is to use SPSS version 25, namely by testing the validity test, reliability test, simple linear regression analysis, R2 determinant coefficient test (simulation test) and partial test (t-test). The findings of the results of this study are that the quality of service and facilities have a positive and significant effect on saving intentions. This result shows that quality facilities and services strongly influence customer interest in saving. In addition, this aspect contributes to the company's profits. Customer satisfaction will increase in proportion to the level of service quality of the company, which in turn will have a positive effect on the Interest in saving Bank Syariah Indonesia. The findings of this study are expected to provide new knowledge, especially in management science.
Co-Authors Abdul Aziz budiarti, sari Herliningsih, Herliningsih Priatni, Haty Latifah Roisiyatin, Roisiyatin Siti Masriah, Siti Wiryani, Ani Siti