Optimization of microwave-assisted extraction of flavonoids from young barley leaves

• Autorzy: Gao T. , Min Z. , Fang Z. , Zhong Q.
• Języki publikacji: EN

Abstrakty

EN

A central composite design combined with response surface methodology was utilized to optimise microwave-assisted extraction of flavonoids from young barley leaves. The results showed that using water as solvent, the optimum conditions of microwave-assisted extraction were extracted twice at 1.27 W g-1 microwave power and liquid-solid ratio 34.02 ml g-1 for 11.12 min. The maximum extraction yield of flavonoids (rutin equivalents) was 80.78±0.52%. Compared with conventional extraction method, the microwave-assisted extraction was more efficient as the extraction time was only 6.18% of conventional extraction, but the extraction yield of flavonoids was increased by 5.47%. The main flavonoid components from the young barley leaf extract were probably 33.36% of isoorientin-7-O-glueoside and 54.17% of isovitexin-7-O-glucoside, based on the HPLC-MS analysis. The barley leaf extract exhibited strong reducing power as well as the DPPH radical scavenging capacity.

• Wydawca: -
• Czasopismo: International Agrophysics
• Rocznik: 2017
• Tom: 31
• Numer: 1
• Opis fizyczny: p.45-52,fig.,ref.

Twórcy

autor

Gao T.

• State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu, China

autor

Min Z.

• State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu, China
• Food Biotechnology Institute, Jiangnan University, Yangzhou 225002, China

autor

Fang Z.

• Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria 3010, Australia

autor

Zhong Q.

• Haitong Food Group Company, Zhejiang Cixi, 315300, China

Identyfikatory

DOI

10.1515/intag-2016-0024