Gel spermisida yang mengandung bahan aktif nonoxynol-9 merupakan salah satu kontrasepsi non hormonal berbentuk gel yang banyak digunakan di kalangan masyarakat, namun, senyawa nonoxynol-9 dapat menyebabkan iritasi dan gatal-gatal pada vagina. Pada penelitian ini dibuat alternatif herbal spermisida dari tanaman pegagan, lerak dan mimba yang diformulasikan dalam sistem penghantaran nanoemulgel. Pada penelitian ini dilakukan optimasi dan formulasi nanoemulgel berbahan kombinasi dari ekstrak n-butanol Pegagan, ekstrak n-butanol Lerak dan minyak biji Mimba menggunakan model full factorial design (23). Pada penelitian ini didapatkan hasil bahwa ukuran partikel nanoemulgel memiliki rentang 477,5 ± 0,2 hingga 781,2 ± 0,6 nm. Daya sebar dari Nanoemulgel memiliki rentang 5,8 ± 0,2 sampai 6,6 ± 0,1 cm. Zeta Potensial dari nanoemulgel memiliki rentang -37,1 ± 0,7 sampai -37,1 ± 0,7 mV. Rentang pH yang dihasilkan adalah 5,9 ± 0,1 hingga 6,6 ± 0,1, viskositas yang dihasilkan adalah 768 ± 0,8 hingga 833 ± 0,8 cps.Variabel konsentrasi ekstrak n-butanol lerak dan interaksi antara ekstrak n-butanol pegagan dan minyak biji mimba berpengaruh signifikan terhadap respon ukuran partikel dilihat dari nilai p-value < 0,05 dengan nilai masing-masing p-value 0,04 dan 0,036. Pada respon zeta potential dan respon daya sebar, semua variabel konsentrasi ekstrak n-butanol lerak, ekstrak n-butanol pegagan, minyak biji mimba, interaksi ekstrak n-butanol lerak dan ekstrak n-butanol pegagan, interaksi antara ekstrak n-butanol pegagan dan minyak biji mimba dan interaksi ekstrak n-butanol lerak dan minyak biji mimba memiliki nilai p-value > 0,05, sehingga dapat disimpulkan tidak ada berpengaruh signifikan terhadap respon zeta potential dan daya sebar.
Introduction. The spermicidal effect of the nonoxynol-9 compound paralyzes sperm by rupturing the cell membrane. Nonoxynol-9 compounds, however, can irritate and itch the vagina. Using a Nanostructured Lipid Carrier (NLC) delivery system, alternative herbal spermicides were created in this research using gotu kola, lerak, and neem. To optimize and formulate of NLC formulation herbal spermicides made from a combination of lipids on Glyceryl Monostearate (GMS) and liquid lipids of olive oil using a response surface full factorial design model (22), and analyzing particle size tests, spreadability tests, pH, viscosity, and potential zeta tests. Method. A full factorial design model (22) was employed in this research to optimize and formulate NLC herbal spermicides using a combination of lipids in Glyceryl Monostearate (GMS) and liquid lipid olive oil. Results and Analysis. NLC herbal spermicide particle sizes range from 103.8 ± 0.3 to 178.0 ± 1.2 nm. The spreading power of NLC Herbal Spermicide ranges from 5.8 ± 0.05 to 6.3 ± 0.05 cm. The Zeta Potential of NLC Herbal Spermicide has a range of -17.0 ± 0.8 to -24.8 ± 3.3 mV. Resulting pH range is 5.7 ± 0.2 to 6.5 ± 0.1, resulting viscosity is 564 ± 0.3 to 661 ± 0.5 cps. Discussion. The equation model for the power distribution response has a p-value smaller than 0.05 which means it is significant so that the equation model can be used to predict the power response. Different things occur in the zeta potential response and spreadability which have a p-value greater than 0.05, so it can be concluded that the ratio of solid lipids and liquid lipids has no effect on the particle size and zeta potential parameters.
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