Characteristic of Goat Milk Soap Formulation with Addition Betel Leaves as a Natural Antiseptic

Abstract

This research aims to examine the interaction between the amount of added goat's milk and betel leaves with different concentrations on the characteristics of goat's milk soap. The process of making goat milk solid soap uses the cold process method and is cured for 2 weeks. The soap making method uses unconsumed goat's milk and is enriched with betel leaves as a natural antiseptic. The research was conducted using a Completely Randomized Design (CRD) with a 4 x 3 factorial pattern and 3 replications, so there were 12 treatment combinations. The research results were data analyzed using Analysis of Variance (ANOVA). The treatment begins by adding 50 mL (S1), 75 mL (S2), 100 mL (S3), 125 mL (S4) of goat's milk to 700 mL of soap base solution. Then add betel leaf extract according to the treatment, namely 0 g (D1), 25 g (D2) and 50 g (D3). The research results showed from the parameters of the water content test, foam stability test, that there was no significant interaction (P>0.05) between the level of milk addition and betel leaf extract, but there was a significant interaction (P≤0.05) with the test pH, free alkali and fatty acid test. Based on the overall results, it can be concluded that from the soap formulation that has been made, goat's milk soap with the addition of 50 g betel leaf extract is better and can be combined with the addition of 100 mL of goat's milk.