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izvor podataka: crosbi

Electrotechnologies, microwaves, and ultrasounds combined with binary mixtures of ethanol and water to extract steviol glycosides and antioxidant compounds from Stevia rebaudiana leaves (CROSBI ID 244157)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Carbonell-Capella, Juana M. ; Šic Žlabur, Jana ; Rimac Brnčić, Suzana ; Barba, Francisco J. ; Grimi, Nabil ; Koubaa, Mohamed ; Brnčić, Mladen ; Vorobiev, Eugene Electrotechnologies, microwaves, and ultrasounds combined with binary mixtures of ethanol and water to extract steviol glycosides and antioxidant compounds from Stevia rebaudiana leaves // Journal of food processing and preservation, 41 (2017), 5; e13179, 8. doi: 10.1111/jfpp.13179

Podaci o odgovornosti

Carbonell-Capella, Juana M. ; Šic Žlabur, Jana ; Rimac Brnčić, Suzana ; Barba, Francisco J. ; Grimi, Nabil ; Koubaa, Mohamed ; Brnčić, Mladen ; Vorobiev, Eugene

engleski

Electrotechnologies, microwaves, and ultrasounds combined with binary mixtures of ethanol and water to extract steviol glycosides and antioxidant compounds from Stevia rebaudiana leaves

The aim of this work was to investigate the potential use of non-conventional technologies (microwaves, ultrasounds, pulsed electric fields, and high voltage electrical discharges) to enhance the extraction of high-added value compounds (mainly stevioside and rebaudioside A), and antioxidants(total phenolic compounds, flavonoids, chlorophylls, and carotenoids), from Stevia rebaudiana leaves. After treatment at equivalent energy, a supplementary diffusion was performed until 1 h. Results demonstrated that when water (100%) was used as solvent, the maximum recovery of stevioside (50.8±0.1 mg/g) was obtained after ultrasound-assisted extraction, while microwave allowed the highest yields of rebaudioside A (22.7±0.1 mg/g). However, pulsed electric field technology was the most efficient to recover stevioside (44.2±0.1 mg/g) and rebaudioside A (22.4±0.3 mg/g) when using 50% ethanol-water. Results obtained through this work pave the way toward the possible scaling-up of some of these non- conventional technologies for a multistep selective extraction of valuable compounds from Stevia leaves.

high voltage electrical discharges ; microwaves ; pulsed electric fields ; stevia rebaudiana Bertoni ; ultrasounds

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Podaci o izdanju

41 (5)

2017.

e13179

8

objavljeno

0145-8892

1745-4549

10.1111/jfpp.13179

Povezanost rada

Prehrambena tehnologija

Poveznice
Indeksiranost