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Formulation and In vitro Evaluation of Kaffir Lime Fruit Peel Extract-Containing Gel for Sunscreen, Antioxidant, and Moisturizing Activity Darsono, Farida Lanawati; Soegianto, Lisa
Pharmaceutical Sciences and Research Vol. 12, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kaffir lime peel waste (Citrus hystrix) has antioxidant effects that have the potential to protect the skin from exposure to UV-A and UV-B rays, as well as moisturize the skin. This study aims to determine the effect of increasing the concentration of condensed extract of kaffir lime fruit peel on its effectiveness as an antioxidant, sunscreen activity, and moisturizer. The condensed extract was obtained by maceration using 96% ethanol. In this study, we tested hydrophilic gels consisting of 4 extract concentrations in their formula: F1 (7.5%), F2 (10%), F3 (15%), and F4 (20%). The research phase begins with the extract standardization process and gel formulation, followed by testing physical quality and efficacy as an antioxidant, sunscreen, and moisturizing activity. Experimental data from different batches and formulas were analyzed using the One-Way ANOVA statistical method. The condensed extract (20%) provides an IC50 value of 15.51 mg/mL. The results of the experiment showed that increasing the concentration of kaffir lime fruit peel extract could reduce the pH value, viscosity and increase the spreadability of the gel preparation. The SPF value increased with increasing extract concentration. It is included in the maximum protection category, while based on the % Erythema Transmission Value ≤ 1 and % Transmission Pigmentation of 3-40, it falls under the total block category. Increasing the concentration of a condensed extract of kaffir lime fruit peel in a hydrophilic gel base can increase its effectiveness as a UV protector and a moisturizer, with F3 (15%) as the best formula.
Formulation and Evaluation Stick Moisturizing Combination of Aloe Vera Extract (Aloe barbadensis mill) and Chamomile (Matricaria recutita) Tiandreas, Meilani Kezia; Darsono, Farida Lanawati; Simbolon, Shinta Marito
Jurnal Jamu Indonesia Vol. 11 No. 2 (2026): Jurnal Jamu Indonesia (In Progress)
Publisher : Tropical Biopharmaca Research Center, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jji.v11i2.434

Abstract

Aloe vera (Aloe barbadensis mill) and chamomile (Matricaria recutita) contain active compounds in the form of aloin and apigenin, which function as moisturizers with soothing and antioxidant effects that can neutralize free radicals that cause oxidative stress on the skin. This study aims to determine the optimal formula for a moisturizing stick that combines Aloe vera and chamomile extracts, based on physical properties, effectiveness as a moisturizer, and antioxidant activity. The dry extract was obtained by percolation with 96% ethanol and dried using a spray dryer. The dry extract will be standardized for specific and non-specific tests. The optimum moisturizing stick formula was obtained using the factorial design method. The factors used were aloe vera extract with a concentration of (-1) 10% and a concentration of (+1) 20%, as well as chamomile extract with a concentration of (-1) 5% and a concentration of (+1) 15%. Determination of the optimum formula was carried out using a factorial design method using the following responses: hardness, spreadability, moisture [AUC], and antioxidant activity (IC50). The moisturizing stick formulation uses a hot melt extrusion method. The data from the parametric experiments between batches and formulas will be analyzed using the One-Way Anova (Yate's Treatment). The results showed that increasing aloe vera extract increased the spreadability and moisture, while increasing chamomile extract increased the antioxidant activity. The interaction between the extracts had a significant effect on all parameters. The optimum formula was obtained at a concentration of 18.711% aloe vera and 8.167% chamomile, which met the quality and effectiveness criteria.