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Ultrasound Assisted Extraction of Soluble Dietary Fiber from Cereal Bran (CROSBI ID 613388)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Vrana Špoljarić, Ivna ; Smerdel, Bojana ; Čukelj, Nikolina ; Dujmić, Filip ; Brnčić, Mladen ; Novotni, Dubravka ; Ćurić, Duška Ultrasound Assisted Extraction of Soluble Dietary Fiber from Cereal Bran // Proceedings of 7th International Congress Flour-Bread’13 and 9th Croatian Congress of Cereal Technologists Brašno-Kruh’13 / Jukić, Marko (ur.). Osijek: Grafika Osijek, 2014. str. 203-210

Podaci o odgovornosti

Vrana Špoljarić, Ivna ; Smerdel, Bojana ; Čukelj, Nikolina ; Dujmić, Filip ; Brnčić, Mladen ; Novotni, Dubravka ; Ćurić, Duška

engleski

Ultrasound Assisted Extraction of Soluble Dietary Fiber from Cereal Bran

The major component of soluble dietary fiber from cereal grains especially from barley are composed of mixed linkage (1→3) (1→4) β-glucan. In this research, barley bran was used as a source for β-glucan extraction. For this purpose two different technique of extraction were used: mechanical-water and ultrasound bath assisted extraction. The effect of temperature, extraction time and amplitude has been studied for ultrasound bath assisted extraction. Water assisted extraction took 2 hours with ethanol pretreatment (inactivation of β-glucosidase) while application of ultrasonic device (37 kHz) extraction took between 7-23 minutes without ethanol pretreatment. Conventional mechanical-water extraction resulted with lowest amount of extracted β-glucan (BGE=0.4200 g/100g) and extraction yield (Y1=27.11%). Extraction yield and extracted β-glucan for ultrasound assisted extraction was in the range of 48.70-98.52% and 0.7546-1.5267 g/100g, respectively. For ultrasound assisted extraction temperature and amplitude showed a strong influence on extraction process. The best extraction yield (98.52% and 98.14%) were observed on 45 °C by application of 60 and 100% of amplitude. Also, all studied cases with application of ultrasound assisted extraction resulted with 1.80-3.63 time higher efficiency of extraction (Y2) than conventional mechanical water extraction.

ultrasound; extraction; barley; β-glucan

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Podaci o prilogu

203-210.

2014.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of 7th International Congress Flour-Bread’13 and 9th Croatian Congress of Cereal Technologists Brašno-Kruh’13

Jukić, Marko

Osijek: Grafika Osijek

1848-2562

Podaci o skupu

Nepoznat skup

poster

29.02.1904-29.02.2096

Povezanost rada

Prehrambena tehnologija