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Evaluation of antioxidant and antibacterial properties of extracts from Trollius chinensis Bunge

Journal name：EUR FOOD RES TECHNOL
Literature No.：
Literature Url： http://link.springer.com/article/10.1007/s00217-014-2329-2
Date publication：13 September 2014

Abstract

Trollius chinensis Bunge is a traditional edible and medicinal plant utilized popularly in north China. This study is intended to evaluate the antioxidant and antimicrobial properties of extracts obtained with different processing methods from Trollius chinensis Bunge. The results showed that all extract displayed moderate or great potential of antioxidant and antibacterial activity, especially ultrasound-assisted ethanol extracts (UAE). It exhibited the highest 2, 2-diphenyl-1-picrylhydrazyl (DPPH; EC50 0.215 ± 1.10 mg/mL), 2, 2-azino-bis (3-ethylbenzo-thiazoline-6-sulfonic acid) (ABTS; EC50 < 10 μg/mL) and reducing power (RP; EC50 0.25 ± 0.02 mg/mL) with the highest level of flavonoids content (71.56 ± 0.35 mg/g) and total phenolic (35.75 ± 0.35 mg/g). In addition, the UAE had high antibacterial activity

2″-O-β-L-galactopyranosylorientin and orientin were pur- chased from Chengdu Biopurify Phytochemicals Ltd.