Utomo, Faried Cahyo (2020) FORMULASI SEDIAAN GEL EKSTRAK DAUN KATUK (Sauropus androgynus (L.) Merr.)DENGAN BASIS AQUPEC HV-505 SEBAGAI ANTIOKSIDAN. Skripsi thesis, Universitas Setia Budi.
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Abstract
Plants katuk is one of a field that is possessing antioxidant activity because it contains flavonoid .Research aims to understand antioxidant activity preparation gel extract leaves katuk (Sauropus androgynous (L.) Merr.). Katuk leaf extract wasobtained by maceration method for 5 day with ethanol 96%, then thickened with a rotary evaporator. Gel is made in 5 formulas in which formulas 1,2 and 3 each contain 10%, 15% and 20% katuk leaf extract. Formula 4 is negative control ( gel without active substance) and formula 5 is a positive control ( routinr gel ). Gel antioxidant activity was tested by the DPPH method, and observed physical properties that include homogeneity, spreadability, adhesion, viscosity, stability, and pH. The results showed that the leaf extract of katuk value of antioxidant activity of katuk leaf is 69,7173 ppm. The results of the antioxidant activity test extract in the gel showed the value of antioxidant activity of the fformula 1, 2 and 3 are respectively 2638,6364 ppm; 1425,0725 ppm and 1417,2 ppm. Those results showed there were differences in antioxidant activity of leaf kersen extract before and after being made gel preparation and after 21 days storage. Keywords: katuk leaf extract, gel, antioxidant, DPPH.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | katuk leaf extract, gel, antioxidant, DPPH. |
| Subjects: | R Medicine > RS Pharmacy and materia medica |
| Divisions: | Fakultas Farmasi > Prodi S1 Farmasi |
| Depositing User: | Tifany Nur Arfiana |
| Date Deposited: | 09 Jun 2022 03:29 |
| Last Modified: | 09 Jun 2022 03:29 |
| URI: | http://repo.setiabudi.ac.id/id/eprint/4790 |
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