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https://doi.org/10.15255/CABEQ.2017.1117

“Green” Synthesis of Sucrose Octaacetate and Characterization of Its Physicochemical Properties and Antimicrobial Activity

N. Petkova orcid id orcid.org/0000-0002-5870-9157 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
D. Vassilev orcid id orcid.org/0000-0003-0579-894X ; bTechnical University of Gabrovo, Department “Physics, chemistry & ecology”, Gabrovo, 5300, Bulgaria, 4 H. Dimitar str.
R. Grudeva orcid id orcid.org/0000-0002-7473-8572 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
Y. Tumbarski orcid id orcid.org/0000-0003-1674-5333 ; cUniversity of Food Technologies, Department of Microbiology, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
I. Vasileva ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
M. Koleva ; bTechnical University of Gabrovo, Department “Physics, chemistry & ecology”, Gabrovo, 5300, Bulgaria, 4 H. Dimitar str.
P. Denev orcid id orcid.org/0000-0001-7052-3745 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria


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str. 395-402

preuzimanja: 923

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Sažetak

Sucrose octaacetate (octa-O-acetylsucrose) has been synthesized by esterification of sucrose with acetic anhydride using ultrasound-assisted irradiation. This sucrose ester is a white, water-insoluble substance with a bitter taste. The FT-IR and NMR spectra confirmed
acetylation and revealed the hydrophobic incorporation in sucrose molecule. Furthermore, the foamability, foam stability, emulsification and antimicrobial properties of octa-O-acetylsucrose were evaluated. Foams and 50 % (oil/water) model emulsions were prepared with 2 % (w/w) octa-O-acetylsucrose. The obtained results demonstrate the
formation of emulsions and foams with high stability (50–70 %). The antimicrobial activity of octa-O-acetylsucrose was evaluated against seventeen microorganisms (Gram-positive and Gram-negative bacteria, yeasts, and fungi). Octa-O-acetylsucrose inhibited
the growth of fungi Penicillium sp., Rhizopus sp. and Fusarium moniliforme at 5 mg cm–3, and yeasts Candida albicans at 1 mg cm–3. Inhibition against Gram-positive and Gram-negative bacteria was not observed. The obtained results demonstrate the potential
applications of octa-O-acetylsucrose as a foaming agent, oil-in-water emulsion stabilizer, and antifungal substance in pharmaceutical and cosmetic preparations.







This work is licensed under a Creative Commons Attribution 4.0 International License.

Ključne riječi

octa-O-acetylsucrose; ultrasound-assisted synthesis; foam; antimicrobial properties

Hrčak ID:

192266

URI

https://hrcak.srce.hr/192266

Datum izdavanja:

10.1.2018.

Posjeta: 1.676 *