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首页> 外文期刊>Separation and Purification Technology >Development of Bronsted acidic ionic liquid based microwave assisted method for simultaneous extraction of pectin and naringin from pomelo peels
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Development of Bronsted acidic ionic liquid based microwave assisted method for simultaneous extraction of pectin and naringin from pomelo peels

机译：从柚皮果皮中同时提取果胶和柚皮蛋白的微波辅助方法的研制

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Bronsted acidic ionic liquid was introduced in microwave assisted extraction procedure to simultaneously extract pectin and naringin from the albedo part of pomelo peels. The process for the extraction of pectin and naringin was optimized by a dual response surface methodology. The optimal conditions as follows: [HO3S(CH2)(4)mim]HSO4 concentration of 10 mmol/L, microwave irradiation time of 15 min, liquid solid ratio of 26 mL/g, and microwave irradiation power of 331 W. Under the optimum conditions, the yields reached to 291.60 +/- 7.25 mg/g for pectin and 8.38 +/- 0.20 mg/g for naringin. [HO3S(CH2)(4)mim] HSO4 enjoyed excellent solvent effect for the extraction of pectin and naringin in microwave assisted extraction method in comparing with reference solvents. Fourier transform infrared spectroscopy, scanning electron microscope, and atomic force microscope were employed for the characterization analysis of pectin. Interestingly, the pectin extracted with [HO3S(CH2)(4)mim]HSO4 aqueous solution possessed relatively low degree of esterification and rough, hard and network structures which were apparently different with that extracted with hydrochloric acid solution. Additionally, 190.37 +/- 3.28 mg naringin with a purity of 95.23% +/- 1.3% were gained from 50 g albedo part of pomelo peels and confirmed by nuclear magnetic resonance, Fourier transform infrared spectroscopy, and mass spectroscopy analysis. This study provides a promising paradigm in modern separation science for the extraction of natural products from plant sources, (C) 2016 Elsevier B.V. All rights reserved.
机译：在微波辅助提取方法中引入了铜玻璃酸性离子液，以同时从柚皮果皮的Albedo部分提取果胶和柚皮蛋白。通过双响应表面方法优化果胶和柚皮蛋白提取的方法。如下的最佳条件：[HO3S（CH2）（4）MIM] HSO4浓度为10mmol / L，微波辐照时间为15分钟，液体实心比为26mL / g，微波辐照功率为331W。最佳条件，果胶的产率达到291.60 +/- 7.25mg / g，凝固素的8.38 +/- 0.20 mg / g。 [HO3S（CH2）（4）MIM] HSO4对微波辅助提取方法提取果胶和Naringin的优异溶剂效果，与参考溶剂相比。傅里叶变换红外光谱，扫描电子显微镜和原子力显微镜用于果胶的表征分析。有趣的是，用[HO3S（CH2）（4）MIM] HOS4水溶液提取的果胶具有相对低程度的酯化和粗糙，硬度和网络结构，其明显不同于用盐酸溶液提取。此外，190.37 +/- 3.28mg Naringin，纯度为95.23％+/- 1.3％，从50g Albedo Pomelo剥离中获得，并通过核磁共振，傅里叶变换红外光谱和质谱分析证实。本研究为现代分离科学提供了一个有前途的范式，用于从植物来源提取自然产品，（c）2016年Elsevier B.v.保留所有权利。

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