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Effect of high intensity ultrasound extraction on polyphenols recovery from rosemary leaves (CROSBI ID 667046)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Buratović, Andrea ; Marjanović, Ivona ; Matanović, Angela ; Moslavac, Leonina ; Dujmić, Filip ; Brnčić, Mladen ; Ninčević Grassino, Antonela Effect of high intensity ultrasound extraction on polyphenols recovery from rosemary leaves // BOOK OF ABSTRACT 9th International CONGRESS of Food Technologists, Biotechnologists and Nutritionists / Kovačević Ganić, Karin (ur.). Zagreb: Hrvatsko društvo prehrambenih tehnologa, biotehnologa i nutricionista, 2018. str. 126-126

Podaci o odgovornosti

Buratović, Andrea ; Marjanović, Ivona ; Matanović, Angela ; Moslavac, Leonina ; Dujmić, Filip ; Brnčić, Mladen ; Ninčević Grassino, Antonela

engleski

Effect of high intensity ultrasound extraction on polyphenols recovery from rosemary leaves

Polyphenols as active component of plant materials relevant for maintaining balance in human organism, besides antioxidants, also possessed anticorrosive properties. Due to theirs capability of adsorption on metals and metal alloys, they occupied important place in investigations of anticorrosion activity. Therefore, in this work the polyphenols from rosemary leaves were isolated with aim to be subsequently evaluated as potential eco-friendly anticorrosion substances. The extraction of dried and milled rosemary leaves was performed by ultrasound assisted extraction, applying time of 3, 6, and 9 min, amplitude of 60, 80 and 100 % and 30 and 70 % (v/v) ethanol and acetone. For comparison purpose, the extraction by refluxing for 1.5 and 3 h was also applied. The obtained extracts were evaluated in terms of colour and total phenols and flavonoids, determined by Hunter colorimeter and UV/Vis spectrophotometry, respectively. Due to the fact that results indicated that the highest recovery of total phenols and flavonoids is obtained using 70 % ethanol and acetone, during 9 min of extraction, at 100 % amplitude, these extracts will be further utilised for examination of its anticorrosive properties.

eco-friendly anticorrosion substances ; polyphenols ; rosemary ; ultrasound assisted extraction

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Podaci o prilogu

126-126.

2018.

objavljeno

Podaci o matičnoj publikaciji

BOOK OF ABSTRACT 9th International CONGRESS of Food Technologists, Biotechnologists and Nutritionists

Kovačević Ganić, Karin

Zagreb: Hrvatsko društvo prehrambenih tehnologa, biotehnologa i nutricionista

978-953-99725-7-6

Podaci o skupu

9th International Congress of Food Technologists, Biotechnologists and Nutritionist

poster

03.10.2018-06.10.2018

Zagreb, Hrvatska

Povezanost rada

Kemija, Prehrambena tehnologija