Studies on the Property and Application of Starch Sugar Ester Dodecenylsuccinic

In this paper, we have performed the Lipozyme 435-catalyzed synthesis of xylose oleate in methyl ethyl ketone (MEK) from xylose and oleic acid. The effects of substrates’ molar ratios, reaction temperature, reaction time on esterification rates, and Lipozyme 435 reuse were studied. Results showed that an excess of oleic acid (xylose: oleic acid molar ratio of 1:5) significantly favored the reaction, yielding 98% of xylose conversion and 31% oleic acid conversion after 24 h-reaction (mainly to xylose mono- and dioleate, as confirmed by mass spectrometry). The highest Lipozyme 435 activities occurred between 55 and 70 °C. The predicted Ping Pong Bi Bi kinetic model fitted very well to the experimental data and there was no evidence of inhibitions in the range assessed. The reaction product was purified and presented an emulsion capacity close to that of a commercial sugar ester detergent. Finally, the repeated use of Lipozyme 435 showed a reduction in the reaction yields (by 48 and 19% in the xylose and oleic acid conversions, respectively), after ten 12 h-cycles.

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Sporotrichum thermophile type C feruloyl esterase (StFaeC): purification, characterization, and its use for phenolic acid (sugar) ester synthesis

Enzyme and Microbial Technology ◽

10.1016/j.enzmictec.2004.12.020 ◽

2005 ◽

Vol 36 (5-6) ◽

pp. 729-736 ◽

Cited By ~ 65

Author(s):

E. Topakas ◽

C. Vafiadi ◽

H. Stamatis ◽

P. Christakopoulos

Keyword(s):

Phenolic Acid ◽

Feruloyl Esterase ◽

Ester Synthesis ◽

Sugar Ester ◽

Sporotrichum Thermophile ◽

Type C

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Development of novel flexible sugar ester vesicles as carrier systems for the antioxidant enzyme catalase for wound healing applications

Process Biochemistry ◽

10.1016/j.procbio.2012.04.008 ◽

2012 ◽

Vol 47 (7) ◽

pp. 1155-1162 ◽

Cited By ~ 12

Author(s):

Heidi M. Abdel-Mageed ◽

Hanan M. El-Laithy ◽

Laila G. Mahran ◽

Afaf S. Fahmy ◽

Karsten Mäder ◽

...

Keyword(s):

Wound Healing ◽

Antioxidant Enzyme ◽

Sugar Ester ◽

Antioxidant Enzyme Catalase ◽

Carrier Systems

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Effect of ferulic acid sugar ester with high molecular mass from corn bran on proliferation of intestinal bifidobacteria in aged mice induced by D‐galactose: The role of HFASE in the intestine

Journal of Food Biochemistry ◽

10.1111/jfbc.13000 ◽

2019 ◽

Vol 43 (11) ◽

Cited By ~ 2

Author(s):

Junling Dai ◽

Wei Zhang ◽

Xin Geng

Keyword(s):

Ferulic Acid ◽

Molecular Mass ◽

High Molecular Mass ◽

Sugar Ester ◽

Aged Mice ◽

Corn Bran

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In vitro Studies on Sustained Release Suppository Formulations of Tiaprofenic Acid with Sucrose Fattv Acid Ester

Scientia Pharmaceutica ◽

10.3797/scipharm.aut-03-29 ◽

2003 ◽

Vol 71 (4) ◽

pp. 357-364

Author(s):

Sevgi Gūngör ◽

Mine Orlu ◽

Yildiz Özsoy ◽

Ahmet Araman

Keyword(s):

Drug Release ◽

Sustained Release ◽

Tiaprofenic Acid ◽

In Vitro Release ◽

Content Uniformity ◽

Sugar Ester ◽

Disintegration Time ◽

Suppository Base ◽

Vitro Release

The objective of this study was to evaluate the performance of Sucro Ester 7 (sucrose distearate) as additive for preparing sustained release suppositories of tiaprofenic acid. Suppocire AIM (semi-synthetic glycerides) was used as suppository base and formulations were prepared containing different ratios of sugar ester: Suppocire AIM. Content uniformity, disintegration time and in vitro release characteristics of suppositories were investigated. Significant decrease in the extent of drug release was observed with the increase in the content of sugar ester, which was due to the longer disintegration time of suppositories.

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