Uji Permeabilitas Formulasi Self-Nanoemulsifying Drug Delivery Systems (SNEDDS) Asiaticoside Ekstrak Etanol Daun Pegagan (Centella asiatica L.) dengan Metode Usus Terbalik
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Data OJS dan sumber sitasiTayangan dan unduhan adalah aktivitas yang tercatat di OJS; pemrosesan statistik dapat tertunda. Tanda — berarti angka dari sumber tersebut belum tersedia. Cari di Google Scholar
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Asiaticoside merupakan senyawa aktif daun pegagan (Centella asiatica L.) yang memiliki kelarutan rendah dan bobot molekul relatif tinggi sehingga dapat membatasi absorpsinya. Penelitian ini bertujuan mengetahui pengaruh Self-Nanoemulsifying Drug Delivery System (SNEDDS) terhadap permeabilitas asiaticoside ekstrak etanol pegagan menggunakan metode usus terbalik. Penelitian dilakukan pada 10 ekor tikus putih jantan yang dibagi menjadi kelompok ekstrak dengan SNEDDS dan ekstrak tanpa SNEDDS. Kadar asiaticoside pada cairan serosal ditentukan menggunakan kromatografi cair kinerja tinggi. Hasil penelitian menunjukkan nilai permeabilitas kelompok SNEDDS sebesar 3,13 × 10⁻³ cm/menit, sedangkan kelompok tanpa SNEDDS sebesar 0,74 × 10⁻³ cm/menit, dengan enhancement ratio sebesar 3,97. Nilai lag time kelompok SNEDDS sebesar 18,17 menit dan kelompok tanpa SNEDDS sebesar 22,42 menit. Data dianalisis menggunakan uji normalitas Shapiro–Wilk, kemudian dilanjutkan dengan uji nonparametrik. Namun, hasil uji Mann–Whitney menunjukkan bahwa tidak terdapat perbedaan yang signifikan antara kelompok SNEDDS dan ekstrak tanpa SNEDDS pada parameter permeabilitas maupun lag time (p > 0,05). Hasil yang tidak signifikan tersebut diduga disebabkan oleh tingginya variabilitas antarindividu pada hewan uji, serta jumlah sampel yang relatif kecil. Dengan demikian, sistem SNEDDS menunjukkan kecenderungan meningkatkan permeabilitas dan penurunan lag time asiaticoside secara deskriptif, tetapi efek tersebut belum didukung oleh bukti statistik yang signifikan pada kondisi penelitian ini
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