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All Journal Jurnal Tumbuhan Obat Indonesia
Sugito Chandra
Universitas Wahid Hasyim
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Medicine & Pharmacology Public Health

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Optimasi Microwave Assisted Extraction Daun Dewandaru (Eugenia uniflora L.) Sebagai Aplikasi Tabir Surya pada Sediaan Body Lotion Khoirul Anwar; Gharsina Ghaisani Yumni; Ayu Shabrina; Aulia Septiani Putri; Melani Putri Britama; Sugito Chandra
Jurnal Tumbuhan Obat Indonesia Vol. 19 No. 1 (2026): July 2026
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jtoi.v19i1.3595

Abstract

Excessive exposure to ultraviolet (UV) radiation can cause various skin disorders, highlighting the need foreffective and safe sunscreen products. This study aimed to optimize the extraction of dewandaru leaves(Eugenia uniflora L.) using Microwave-Assisted Extraction (MAE) and to evaluate their potential as a naturalsunscreen active ingredient in body lotion formulations. Optimization was carried out using Response SurfaceMethodology (RSM) by varying extraction temperature and time. The results showed that the optimumextraction condition was achieved at 80 °C for 30 minutes, producing an extract yield of 31.88% and a SunProtection Factor (SPF) value of 39.90, categorized as ultra protection. Phytochemical screening and FTIRanalysis confirmed the presence of phenolic and flavonoid compounds responsible for photoprotective activity.Body lotion formulations containing 5%, 10%, and 15% extract met the required physical quality parameters,including homogeneity, pH, viscosity, spreadability, adhesiveness, and oil-in-water (O/W) emulsion type. Thesefindings indicate that dewandaru leaf ethanol extract has strong potential as an effective and safe naturalsunscreen active ingredient. Keywords: Eugenia uniflora; Microwave-Assisted Extraction; SPF; natural sunscreen; body lotion
Evaluasi Kandungan Kunyit (Curcuma longa L.) pada Sediaan Jamu Herbal Menggunakan FTIR dan Analisis Kemometrik Gharsina Yumni; Nabilla Selviana Putri; Sugito Chandra
Jurnal Tumbuhan Obat Indonesia Vol. 19 No. 1 (2026): July 2026
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jtoi.v19i1.3668

Abstract

The use of herbal medicine as an alternative treatment continues to increase, particularly for turmeric-basedproducts. However, the adulteration of turmeric raw materials remains a significant problem, compromisingproduct quality and posing health risks to consumers. Research on the authentication of turmeric incommercial herbal medicine preparations using rapid and non-destructive methods remains limited. Thisstudy aimed to authenticate turmeric content in herbal medicine preparations using Fourier TransformInfrared (FTIR) spectroscopy combined with chemometric analysis. Turmeric powder samples and fivecommercial herbal preparations were collected from different locations in Semarang city. Spectral data wereacquired using FTIR in the range of 4000-650 cm⁻¹ and analyzed using Principal Component Analysis (PCA)and Cluster Analysis (CA) with Minitab 22 software. FTIR results revealed the presence of characteristiccurcumin functional groups, including O-H phenolic, C-H, C=C aromatic, C-O-C, and C-O in all samples. PCA andCA analysis resulted in two distinct groups: Group 1 (SA, SC, SD, SE) showed high similarity to the turmericreference standard, while Group 2 (SB) exhibited significant differences, showed spectral differences from thereference sample. The combined FTIR and chemometric approach proved effective in quickly and accuratelyidentifying and authenticating turmeric content in herbal medicine preparations, thus can be recommendedas a routine quality control method for herbal medicine industry and BPOM. Keywords: Authentication, CA, chemometrics, FTIR, PCA, turmeric
Co-Authors Aulia Septiani Putri Ayu Shabrina Gharsina Ghaisani Yumni Gharsina Yumni Khoirul Anwar Melani Putri Britama Nabilla Selviana Putri