PREPARATION OF SORBITAN STEARATE

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AMIN MAHALATI ALI REZA; ALEMZADEH IRAN

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2014 | Volume:33 | Issue:3 Page(s): 19-24

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Title

PREPARATION OF SORBITAN STEARATE

Author(s)

AMIN MAHALATI ALI REZA | ALEMZADEH IRAN | Issue Writer Certificate

Keywords

STEARIC ACIDQ1

EMULSIFIERQ1

SORBITIN ESTER ACID CATALYSTQ2

Abstract

Sorbitan fatty acid esters called sorbitan esters, are surfactants widely used as food in the production process as EMULSIFIERs. Sorbitan esters are well known EMULSIFIERs suitable for use in food, pharmaceutical products as well as many other applications. One such technique involves direct esterification of sorbitol or an intramolecular condensate of sorbitol with fatty acids in the presence of acid or alkali catalysts in one step process. In two step process, sorbitol is first dehydrated to sorbitan and then esterified with acid or alkaline catalysis. In this study two steps process due to better compatibility was selected. For the first and second steps, catalysts were tested fur phosphoric acid recognized as suitable catalyst for this reaction, effect of temperature and pressure and catalyst concentration were determined. The results show that dehydration rate is proportional to temperature and catalyst concentration but pressure has negative effect. For the second step, alkaline catalyst was studied and sterification was affected under alkaline condition. Surface tension was studied by different amount of sorbitan ester. Produced sorbitan ester reduced surface tensionwith CMC 15mg/L and saponification number of 147.

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APA: Copy

AMIN MAHALATI, ALI REZA, & ALEMZADEH, IRAN. (2014). PREPARATION OF SORBITAN STEARATE. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 33(3), 19-24. SID. https://sid.ir/paper/26148/en

Vancouver: Copy

AMIN MAHALATI ALI REZA, ALEMZADEH IRAN. PREPARATION OF SORBITAN STEARATE. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2014;33(3):19-24. Available from: https://sid.ir/paper/26148/en

IEEE: Copy

ALI REZA AMIN MAHALATI, and IRAN ALEMZADEH, “PREPARATION OF SORBITAN STEARATE,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 33, no. 3, pp. 19–24, 2014, [Online]. Available: https://sid.ir/paper/26148/en

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