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All Journal Jurnal Insan Farmasi Indonesia Journal of Pharmacy Science and Technology
Yuli Ainun Najih
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Biochemistry, Genetics & Molecular Biology Chemistry Immunology & microbiology Medicine & Pharmacology Physics

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PENGARUH SURFAKTAN PEG-7 GLYCERYL COCOATE-SPAN80 DAN PEG-40 HYDROGENATED CASTOR OIL-SPAN80 TERHADAP KARAKTERISTIK FISIK KRIM alfa-ARBUTIN Yuli Ainun Najih; Yuyun Nailufa; Dita Nurlita Rakhma; Nur Hardianti Ruchmana
Jurnal Insan Farmasi Indonesia Vol 4 No 1 (2021): Jurnal Insan Farmasi Indonesia
Publisher : Sekolah Tinggi Ilmu Kesehatan ISFI Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36387/jifi.v4i1.624

Abstract

?-arbutin is a derivative of hydroquinone to treat hyperpigmentation disorders which acts as a tyrosinase inhibitor. The hydrophilic nature of ?-arbutin requires a dosage form that can increase its penetration into the skin is a cream. The purpose of this study was to determine the effect of surfactants PEG-7 Glyceryl Cocoate-Span80 and PEG-40 Hydrogenated Castor Oil-Span80 on the physical characteristics of ?-arbutin cream. The cream formulation made into 2 formula, F1 using PEG-40 Hydrogenated Castor Oil-Span80 and F2 using PEG-7 Glyceryl Cocoate-Span80. Physical characteristics including organoleptic testing, emulsion type, pH, viscosity and Spreadability. The results obtained from the two cream formulas showed a significant difference in the measurement of pH, viscosity and Spreadability values. The results of the pH value of F1 and F2 are 5.74 and 6.24. The viscosity results obtained from F1 and F2 are 50500cPs and 43333cPs. The spreadability measurement results obtained from F1 and F2 were 9.93cm and 11.33cm. The results spreadability will be inversely proportional to the results of the viscosity obtained. The higher the viscosity yield, the smaller the spreadability of a cream.
PEMBENTUKAN KOKRISTAL KETOKONAZOL-ASAM SUKSINAT YANG DIBUAT DENGAN METODE PENGGILINGAN (GRINDING) Yuli Ainun Najih; Dwi Setyawan; Achmad Radjaram
JOURNAL OF PHARMACY SCIENCE AND TECHNOLOGY Voume 1 Nomor 1
Publisher : Prodi Farmasi Fakultas Kedokteran Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/pst.v1i1.30

Abstract

The Co-crsytal formation ketoconazole (KTZ) - succinic acid (SA) has been performed by molar ratio (1:1) using milling method (grinding).. Milling is done using Planetary Ball mill PM 200 MA-type tool, Retsch with 75 rpm milling speed. The physical mixture of KTZ and AS molar ratio (1:1) was prepared in the absence of a dry grinding solution with milling time of 5, 15, 30, 45 and 60 min at a constant velocity. The milling results are seen by using powder X-ray diffraction (PXRD) at an angle (2θ = 7.8o). From the results of X-ray powder diffraction there is an increase in the percentage of crystalline (% w/w). The result of the grinding time curve with the percentage of crystal (%w/w), the result that the percentage of crystalline (% w/w) increases linearly with increasing milling time (min) based on the maximum intensity data of each milling time by the line equation (y = 0.690x + 51.09) and correlation coefficient r = 0.9905. As conclusion, based on kinetic formation of cocristal with milling method obtained for slope value = 0,690 % cocrystall (%b/b)/min.
Co-Authors Achmad Radjaram Dita Nurlita Rakhma Dwi Setyawan Nur Hardianti Ruchmana Yuyun Nailufa