Abstract
White flesh watermelon (Citrullus lanatus) is known to contain alkaloids, flavonoids, tannins and polyphenols. Research conducted by Rimando proves that watermelon rind contains the amino acid citrulline reaching 60% which is important in increasing levels of nitric oxide which is a regulator of blood flow, muscle energy metabolism, and mitochondrial respiration during exercise. This study aims to formulate bath soap from watermelon waste that meets the requirements with variations in the concentration of watermelon flesh extract (3%; 6%; 9%). Watermelon flesh extract was extracted by maceration process using 70% ethanol. Evaluations were carried out in the form of organoleptic, pH, free of alkali, high foam and density. The results showed that the three formulas were formulas that met the requirements according to SNI standards based on pH test, free alkali, foam height, and density.
Highlights
Tanaman semangka (Citrullus lanatus) merupakan salah satu tanaman penghasil buah yang banyak terdapat di Indonesia
This study aims to formulate bath soap from watermelon waste that meets the requirements with variations in the concentration of watermelon flesh extract (3%; 6%; 9%)
The results showed that the three formulas were formulas that met the requirements according to SNI standards based on pH test, free alkali, foam height, and density
Summary
Tanaman semangka (Citrullus lanatus) merupakan salah satu tanaman penghasil buah yang banyak terdapat di Indonesia. Mayoritas masyarakat hanya mengkonsumsi bagian daging buah berwarna merah atau kuning yang segar, sedangkan kulit dan daging putih semangka hanya dibuang sebagai limbah tanpa ada pemanfaatan lebih lanjut (Niwanggalih et al, 2014). Konsumsi sitrulin dapat meningkatkan kadar arginin di dalam tubuh yang merupakan asam amino penting di dalam proses pembentukan nitrit oksida. Sabun mandi cair memiliki kelebihan antara lain proses pembuatannya relatif lebih mudah, biaya produksinya yang murah, serta mudah penyimpanan dan penggunaannya sehingga, sabun tidak mudah rusak (Dewan Standardisasi Nasional, 1996). Penelitian ini memanfaatkan daging putih buah semangka yang mengandung sitrulin untuk dijadikan sabun mandi. Tujuan penelitian ini untuk memformulasi sabun mandi rileks dari daging putih buah semangka yang memenuhi persyaratan sesuai standar SNI (Dewan Standardisasi Nasional, 1996)
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