Transparent Soap with Dihydroxystearic Acid (DHSA)
A conventional transparent soap is prepared by combining fatty acid-based soap with polyol or combination of polyols (i.e. sugars, sorbitol and glycerine) and glycols (i.e. propylene glycol and ethylene glycol) to impart transparency to the soap. In a new method developed by MPOB, palm-based tran...
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| Main Author: | |
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| Format: | Conference Paper |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | http://ddms.usim.edu.my/handle/123456789/6136 |
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| Institution: | Universiti Sains Islam Malaysia |
| Language: | English |
| Summary: | A conventional transparent soap is prepared by combining fatty acid-based soap with
polyol or combination of polyols (i.e. sugars, sorbitol and glycerine) and glycols
(i.e. propylene glycol and ethylene glycol) to impart transparency to the soap. In a new
method developed by MPOB, palm-based transparent soap with dihydroxystearic acid
(DHSA) was successfully developed. DHSA is a dihydroxy saturated fatty acid derived
from palm oleic acid. The synthesis of DHSA was also carried out by MPOB and the
process to produce the DHSA has been filed for patent application (PI9804456). The
addition of DHSA, either crude or purified, in the transparent soap can improve its
transparency. The transparency enhancement by DHSA is a lot better than the results
obtained from the adding of mono hydroxyl acid. Other advantages of the transparent
soap with DHSA are that they have good foaming power and detergency as compared to
commercially available transparent soaps. Besides, the soap with DHSA is safe to be used
with no skin irritation. The technology to formulate the transparent soap with DHSA has
also been filed for patent application (PI 20082058). |
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