skip to main content

Temperature Optimization and Addition of Aloe Vera Gel as Antibacteria In Coconut Oil-Based Liquid Soap

*Azizah Rahman  -  Industrial Chemical Engineering, Vocational School, Diponegoro University, Indonesia
Vita Paramita  -  Industrial Chemical Engineering, Vocational School, Diponegoro University, Indonesia
Open Access Copyright 2021 Journal of Vocational Studies on Applied Research under http://creativecommons.org/licenses/by-sa/4.0.

Citation Format:
Abstract

This study aims to determine the optimization of the ratio of coconut oil to KOH and temperature in the manufacture of liquid soap. In this study, the saponification reaction was used by reacting coconut oil with a strong base of KOH. The mole ratio between coconut oil and KOH used is 1:3, 1:4 and 1:5. The temperature used 3 points, there are 30oC, 40oC, and 50oC. Parameters observed were free fatty acid, pH, free alkali content, unsaponication fat content, density, and viscosity. The best results in the physiochemical test were running 4 (KOH ratio 5 and temperature 50oC) with pH 8, free alkali content of 0%, unsaponication fat content of 0.00175%, density 1.02 g/ml, viscosity 715.87 cP, and 1% free fatty acids. The critical value for the optimization of the liquid bath soap formula on the level of unsaponification fat based on RSM data is achieved at a KOH ratio of 4.28758 with a temperature of 62.40793oC.

Fulltext View|Download
Keywords: soap, saponification, temperature, KOH, virgin coconut oil

Article Metrics:

  1. Maotsela, T., Danha, G., & Muzenda, E. (2019). Utilization of waste cooking oil and tallow for production of toilet “bath” soap. Procedia Manufacturing, 35, 541–545. https://doi.org/10.1016/j.promfg.2019.07.008
  2. Mena, T. P., Sutrisno, & Marfu’ah, S. (2020). Antibacterial Activity of Free Fatty Acids, Potassium Soap, and Fatty Acids Methyl Esters from VCO (Virgin Coconut Oil). IOP Conference Series: Materials Science and Engineering, 833(1). https://doi.org/10.1088/1757-899X/833/1/012023
  3. Munarsih, E. (2019). Uji Kualitas Sabun Padat Transparan Dari Minyak Kelapa Dan Minyak Kelapa Sawit Dengan Antioksidan Ekstrak Likopen Buah Tomat. Jurnal Penelitian Sains, 21(3), 163–167
  4. Sulistiawati, E., Astuti, E., & Santosa, I. (2019). The Influence of Strong Reduced Water and Fresh Coconut Oil in Viscosity of Liquid Hand Soap. IOP Conference Series: Materials Science and Engineering, 543(1). https://doi.org/10.1088/1757-899X/543/1/012022
  5. Widyasanti, A. (2017). Pembuatan Sabun Padat Transparan Berbasis Bahan Minyak Jarak ( Castor Oil ) Dengan Penambahan Bahan Aktif Ekstrak Teh Putih ( Camellia sinensis ). Jurnal Ilmu-Ilmu Pertanian, 1(2), 141–151
  6. Widyasanti, A., Lenyta Ginting, A. M., Asyifani, E., & Nurjanah, S. (2018). The production of paper soaps from coconut oil and Virgin Coconut Oil (VCO) with the addition of glycerine as plasticizer. IOP Conference Series: Earth and Environmental Science, 141(1). https://doi.org/10.1088/1755-1315/141/1/012037
  7. Wiyono, Andi Eko et al. Karakterisasi Sabun Cair dengan Variasi Penambahan Ekstrak Tembakau (Nicotiana tabacum L.). Jurnal Agroteknologi, [S.l.], v. 14, n. 02, p. 179-188, dec. 2020. ISSN 2502-4906

Last update:

No citation recorded.

Last update:

No citation recorded.