BibTex Citation Data :
@article{JVSAR14697, author = {Ragil Imamsyah and Vita Paramita}, title = {Optimization of Liquid Soap Preparation Formula with the Addition of Black Rice (Oryza Sativa L. Indica) Extract as Anti-Radical Free based Virgin Coconut Oil (VCO)}, journal = {Journal of Vocational Studies on Applied Research}, volume = {4}, number = {2}, year = {2022}, keywords = {Liquid Soap, Virgin Coconut Oil (VCO), Black Rice, Free Fatty Acids (FFA), KOH, NH4OH.}, abstract = { An imbalance in the body's number of antioxidants and free radicals can cause oxidative stress and trigger various degenerative diseases (WHO, 2016). One way to prevent free radicals from entering the body is to bathe with soap. Black rice extract can be an antioxidant in soap because it contains anthocyanin pigments and has high bioactive compounds (Chakuton et al., 2012). Selection of Virgin Coconut Oil (VCO) as a raw material for soap because it has a high lauric acid content and is helpful for moisturizing and smoothing the skin (Afrozi et al., 2021). This study aimed to analyze the quality of liquid soap from the hydrolyzed Virgin Coconut Oil (VCO) and the effect of using bases KOH, NH4OH, and black rice extract accompanied by varying base concentrations, time, and temperature treatments. The independent variables for process optimization were the concentration of KOH: NH4OH (30:70, 50:50, 70:30)%, stirring time (65, 85, 105) minutes, and operating temperature (60, 75, 90) °C. Based on the results obtained, the optimum level of FFA (resulting in a small FFA%) was obtained with the minimized variable conditions, namely using a concentration of 16,4% KOH, and an operating temperature of 49,7 °C, a stirring time of 51.4 minutes, and composite desirability of 0,895897. }, issn = {2684-8090}, pages = {66--73} doi = {10.14710/jvsar.v4i2.14697}, url = {https://ejournal2.undip.ac.id/index.php/jvsar/article/view/14697} }
Refworks Citation Data :
An imbalance in the body's number of antioxidants and free radicals can cause oxidative stress and trigger various degenerative diseases (WHO, 2016). One way to prevent free radicals from entering the body is to bathe with soap. Black rice extract can be an antioxidant in soap because it contains anthocyanin pigments and has high bioactive compounds (Chakuton et al., 2012). Selection of Virgin Coconut Oil (VCO) as a raw material for soap because it has a high lauric acid content and is helpful for moisturizing and smoothing the skin (Afrozi et al., 2021). This study aimed to analyze the quality of liquid soap from the hydrolyzed Virgin Coconut Oil (VCO) and the effect of using bases KOH, NH4OH, and black rice extract accompanied by varying base concentrations, time, and temperature treatments. The independent variables for process optimization were the concentration of KOH: NH4OH (30:70, 50:50, 70:30)%, stirring time (65, 85, 105) minutes, and operating temperature (60, 75, 90) °C. Based on the results obtained, the optimum level of FFA (resulting in a small FFA%) was obtained with the minimized variable conditions, namely using a concentration of 16,4% KOH, and an operating temperature of 49,7 °C, a stirring time of 51.4 minutes, and composite desirability of 0,895897.
Article Metrics:
Last update:
Journal of Vocational Studies on Applied Research are published under the terms of the Creative Commons Attribution-ShareAlike. Authors retain the copyright to their work. Users may read, copy and distribute the work in any medium provided the authors and the journal are appropriately credited.
Below you may find the full text of the license signed by authors.
LICENSE TO PUBLISH
1. LicenseThe non-commercial use of the article will be governed by the Creative Commons Attribution-ShareAlike license as currently displayed on http://creativecommons.org/licenses/by-sa/4.0/. Without prejudice to the foregoing, the author hereby grants Journal of Vocational Studies on Applied Research the exclusive license for commercial use of the article according to section 2 below, and sections 4 through 9 below, throughout the world, in any form, in any language, for the full term of copyright, effective upon acceptance for publication.
2. Author’s WarrantiesThe author warrants that the article is original, written by stated author/s, has not been published before, contains no unlawful statements, does not infringe the rights of others, is subject to copyright that is vested exclusively in the author and free of any third party rights, and that any necessary written permissions to quote from other sources have been obtained by the author/s.
3. User RightsUnder the Creative Commons Attribution-ShareAlike license, the author(s) and users are free to share (copy, distribute and transmit the contribution).
4. Rights of AuthorsAuthors retain the following rights:
5. Co-AuthorshipIf the article was prepared jointly with other authors, the signatory of this form warrants that he/she has been authorized by all co-authors to sign this agreement on their behalf, and agrees to inform his/her co-authors of the terms of this agreement.
6. TerminationThis agreement can be terminated by the author or Journal of Vocational Studies on Applied Research upon two months’ notice where the other party has materially breached this agreement and failed to remedy such breach within a month of being given the terminating party’s notice requesting such breach to be remedied. No breach or violation of this agreement will cause this agreement or any license granted in it to terminate automatically or affect the definition of Journal of Vocational Studies on Applied Research.
7. RoyaltiesThis agreement entitles the author to no royalties or other fees. To such extent as legally permissible, the author waives his or her right to collect royalties relative to the article in respect of any use of the article by Journal of Vocational Studies on Applied Research or its sublicensee.
8. MiscellaneousJournal of Vocational Studies on Applied Research will publish the article (or have it published) in the Journal, if the article’s editorial process is successfully completed and Journal of Vocational Studies on Applied Research or its sublicensee has become obligated to have the article published. Journal of Vocational Studies on Applied Research may conform the article to a style of punctuation, spelling, capitalization and usage that it deems appropriate. The author acknowledges that the article may be published so that it will be publicly accessible and such access will be free of charge for the readers. Journal of Vocational Studies on Applied Research will be allowed to sublicense the rights that are licensed to it under this agreement.
Journal of Vocational Studies on Applied Research (JVSAR, e-ISSN 2684-8090) published by Vocational School of Diponegoro University under Creative Commons Attribution-ShareAlike 4.0 International License.
Published by: Vocational School of Diponegoro University Jl. Prof. H. Soedarto, S.H. Tembalang, Semarang 50275 Email : jvsarvokasiundip@gmail.com Web :
https://ejournal2.undip.ac.id/index.php/jvsar