Pane, Dhea Shafira Ananda (2020) FORMULATION OF TRANSPARENT SOLID SOAP OF RED BETEL LEAF EXTRACT (Piper crocatum Ruiz & Pav) WITH VARIATION CONCENTRATION OF STEARIC ACID AND COCAMIDOPROPYL BETAINE. S1 Undergraduate thesis, UNIVERSITAS DARUSSALAM GONTOR.

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Abstract

Red betel leaf (Piper crocatum Ruiz & Pav) has the ability against antibacterial activity such asS.aureus and E.coli because it contains flavonoid compounds which have antibacterial activity. This study aims to obtain transparent solid soap preparations from red betel leaf extract which has antibacterial activity. Red betel leaf (Piper crocatum Ruiz & Pav) leaf extract was obtained through a maceration process using 70% ethanol solvent. Extracts with a concentration of 0.05 g were then formulated on transparent solid soap preparations in 4 soap formulas using stearic acid, VCO, 20% NaOH, ethanol, glierin, sucrose, SLS and cocamidopropyl betaine. In this study, stearic and betaine acid concentrations were varied to get transparent solid soap results that having a stable foam and high hardness so that it is resistant in the process of stability, so the characteristics of the transparency test, pH test, water content test, foam test, organoletic, soap hardness test and stability test. The results showed that the transparent betel leaf extract transparent transparent soap produced with 13% stearic acid concentration and 4% betaine or F3 had good criteria with a good level of transparency, good foam stability and optimal soap hardness with a hardness of soap 10.07 kg, and foam power 1.9 cm.

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