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Ultrasonic-assisted extraction of polyphenolic compounds from Paederia scandens (Lour.) Merr. Using deep eutectic solvent: optimization, identification, and comparison with traditional methods

文献类型： 外文期刊

作者： Liu, Yuxin 1 ; Zhe, Wang 1 ; Zhang, Ruifen 3 ; Peng, Ziting 1 ; Wang, Yuxi 1 ; Gao, Heqi 1 ; Guo, Zhiqiang 2 ; Xiao, Juan 1 ;

作者机构： 1.Hainan Univ, Minist Educ, Engn Res Ctr Utilizat Trop Polysaccharide Resourc, Sch Food Sci & Engn,Key Lab Food Nutr & Funct Foo, Haikou 570228, Hainan, Peoples R China

2.Hainan Univ, Sch Life Sci, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China

3.Guangdong Acad Agr Sci, Key Lab Funct Foods, Minist Agr & Rural Affairs, Guangdong Key Lab Agr Prod Proc,Sericultural & Ag, Guangzhou 510610, Peoples R China

关键词： Ultrasonic-assisted extraction; Deep eutectic solvents; Paederia scandens (Lour; ) Merr; Polyphenol; Antioxidant capacity

期刊名称：ULTRASONICS SONOCHEMISTRY （ 影响因子：9.336； 五年影响因子：8.772 ）

ISSN： 1350-4177

年卷期： 2022 年 86 卷

页码：

收录情况： SCI

摘要： Ultrasonic-assisted extraction (UAE) coupled with deep eutectic solvent (DES) is a novel, efficient and green extraction method for phytochemicals. In this study, the effects of 16 DESs coupled with UAE on the extraction rate of polyphenols from Paederia scandens (Lour.) Merr. (P. scandens), an edible and medicinal herb, were investigated. DES synthesised with choline chloride and ethylene glycol at a 1:2 M ratio resulted in the highest extractability. Moreover, the effects of extraction parameters were investigated by using a two-level factorial experiment followed by response surface methodology The optimal parameters (water content in DES of 49.2%, the actual ultrasonic power of 72.4 W, and ultrasonic time of 9.7 min) resulted in the optimal total flavonoid content (TFC) (27.04 mg CE/g DW), ferric-reducing antioxidant power (FRAP) value (373.27 mu mol Fe(II)E/g DW) and 2,2 '-azino-bis(3-ethylbenzthiazoline)-6-sulfonic acid radical (ABTS+) value (48.64 mu mol TE/g DW), closely matching the experimental results. Furthermore, a comparison study demonstrated that DES-UAE afforded the higher TFC and FRAP value than traditional extraction methods. 36 individual polyphenolic compounds were identified and quantified by ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-MS) in P. scandens extracts, and of which 30 were found in the extracts obtained by DES-UAE. Additionally, DES-UAE afforded the highest sum of individual polyphenolic compound content. These results revealed that DES-UAE enhanced the extraction efficiency for polyphenols and provided a scientific basis for further processing and utilization of P. scandens.

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