PENGARUH RASIO KITOSAN DAN ATENOLOL TERHADAP KARAKTERITIK FISIK DAN PROFIL PELEPASAN PADA MIKROSFER ATENOLOL
Abstract
Abstrak
Hipertensi banyak dialami oleh geriatri yang cenderung sulit menelan tablet konvensional, sehingga modifikasi bentuk sediaan fast disintegrating tablet (FDT) diharapkan dapat mengatasi masalah tersebut. Taste masking merupakan suatu pertimbangan penting dalam merancang formula FDT. Sehingga dikembangkan teknik taste masking dengan metode enkapsulasi. Penelitian ini bertujuan untuk menganalisa pengaruh rasio kitosan dan atenolol terhadap diameter ukuran, efisiensi penjerapan, dan profil pelepasan mikrosfer atenolol dengan metode emulsifikasi dan mengetahui formula optimum berdasarkan diameter ukuran, efisiensi penjerapan, dan profil pelepasannya. Formula mikrosfer atenolol dibuat dengan rasio kitosan dan atenolol 1 : 0,5 (FI), 1 : 1 (FII), dan 1 : 1,5 (FIII). Karakterisasi mikrosfer yang dilakukan meliputi sifat alir, ukuran dan distribusi ukuran, efisiensi penjerapan, dan profil pelepasan. Berdasarkan hasil penelitian, efisiensi penjerapan tertinggi ditunjukkan pada FI dengan hasil sebesar 68,46 ± 8,95 % yang berbeda signifikan berdasarkan analisis statistika (p < 0,05). Profil pelepasan yang paling tinggi juga ditunjukkan pada FI yaitu 73,162 ± 4.507 % dalam 30 menit yang berbeda signifikan berdasarkan analisis statistic (p<0,05). Kesimpulan penelitian ini adalah variasi rasio kitosan dan atenolol tidak berpengaruh signifikan terhadap sifat alir dan diameter ukuran mikrosfer, jumlah kitosan yang lebih tinggi menghasilkan efisiensi penjerapan dan persen pelepasan yang lebih besar, dan formula mikrofer yang menghasilkan karakteristik fisik dan profl pelepasan yang optimum adalah formula dengan rasio kitosan dan atenolol sebesar 1 : 0,5.
Kata Kunci : Atenolol, Emulsifikasi, Hipertensi, Kitosan, Taste MaskingÂ
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