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Chemical and Biochemical Engineering Quarterly, Vol.31 No.4 Siječanj 2018.

Izvorni znanstveni članak
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 icon orcid.org/0000-0002-5870-9157 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
D. Vassilev   ORCID icon orcid.org/0000-0003-0579-894X ; bTechnical University of Gabrovo, Department “Physics, chemistry & ecology”, Gabrovo, 5300, Bulgaria, 4 H. Dimitar str.
R. Grudeva   ORCID icon orcid.org/0000-0002-7473-8572 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria
Y. Tumbarski   ORCID icon 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 icon orcid.org/0000-0001-7052-3745 ; University of Food Technologies, Organic Chemistry Department, Maritza 26 Blvd, Plovdiv, 4002, Bulgaria

Puni tekst: engleski, pdf (621 KB) str. 395-402 preuzimanja: 27* citiraj
APA
Petkova, N., Vassilev, D., Grudeva, R., Tumbarski, Y., Vasileva, I., Koleva, M., Denev, P. (2017). “Green” Synthesis of Sucrose Octaacetate and Characterization of Its Physicochemical Properties and Antimicrobial Activity. Chemical and Biochemical Engineering Quarterly, 31(4). doi:10.15255/CABEQ.2017.1117

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.






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

Hrčak ID: 192266

URI
https://hrcak.srce.hr/192266

Posjeta: 46 *