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Hanwar , Dedi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Pengaruh Variasi Lama Perendaman dan Suhu Penggilingan terhadap Kadar Protein Susu Kedelai Mufida , Nadiya Syafiah; Hanwar , Dedi
Journal of Pharmaceutical and Sciences JPS Volume 8 Nomor 3 (2025)
Publisher : Fakultas Farmasi Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/journal-jps.com.v8i3.949

Abstract

Soy milk, an extract from soybeans, significantly contributes to human nutritional needs, particularly as a source of plant-based protein. The protein quality in soy milk is highly influenced by processing parameters, including soybean soaking duration and grinding temperature. This study aimed to determine the optimum combination of soaking time and grinding temperature to maximize soy milk's protein content. The effects of these two factors were evaluated using Response Surface Methodology (RSM) with a Central Composite Design (CCD). Experiments were conducted for 13 experimental combinations, replicated three times. Protein content was determined by the Lowry method, while pH measurements were also performed to monitor quality. Grinding temperatures ranged from 25°C to 80°C and soaking times varied from 6 to 12 hours, using Grobogan soybean variety as the main raw material. Other parameters such as soybean quantity, water volume, soaking temperature, and boiling and grinding times were set as controlled variables. Optimization results using Design-Expert software indicated that the optimum formulation was achieved at a grinding temperature of 61°C and a soaking time of 9 hours 46 minutes. Under these optimum conditions, the resulting soy milk exhibited a protein content of 3.1% (w/w) and a pH of 7.02, both meeting established soy milk quality standards.
Deteksi Bahan Kimia Obat (BKO) Pada Jamu Sesak Napas Yang Beredar Di e-Marketplace Melalui Kombinasi Metode KLT dan FTIR. Girvin, Aulia Garnida; Hanwar , Dedi
Journal of Pharmaceutical and Sciences JPS Volume 9 Nomor 1 (2026)
Publisher : Fakultas Farmasi Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/journal-jps.com.v9i1.1372

Abstract

The circulation of herbal medicines through e-marketplaces raises serious safety concerns due to the illegal addition of chemical drug substances to provide rapid therapeutic effects. This study aimed to detect chemical drug substances, specifically theophylline and chlorpheniramine maleate, in herbal medicines marketed for shortness of breath using a combination of thin-layer chromatography (TLC) and Fourier transform infrared spectroscopy. Qualitative analysis was conducted through optimization and validation of TLC using two mobile phase systems, followed by two-dimensional chromatography to enhance separation selectivity. The optimized systems demonstrated adequate separation with acceptable resolution values. The results showed that all herbal medicine samples had retention factor (Rf) values comparable to the standard. FTIR confirmation showed typical absorption bands of chlorpheniramine maleate (CTM) and theophylline, so that all samples (5 of 5) were declared positive for containing chemical drugs, with CTM identified in samples 1 and 4 and theophylline in samples 2, 3, and 5. These findings indicate that some herbal medicines circulating in e-marketplaces contain chemical drugs, which are not in accordance with the provisions of traditional medicine regulations.
Co-Authors Girvin, Aulia Garnida Mufida , Nadiya Syafiah