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Preparation of paeoniflorin from the stems and leaves of Paeonia lactiflora Pall. ‘Zhongjiang’ through green efficient microwave-assisted extraction and subcritical water extraction
Industrial Crops and Products ( IF 5.6 ) Pub Date : 2021-02-22 , DOI: 10.1016/j.indcrop.2021.113332
Yichao Wu , Yan Yu , Haiping Wang , Yuanyuan Jiang , Zaijun Yang , Jing Zhou , Li Zhang

The aims of this study were to establish a green and efficient process for extracting paeoniflorin (PF) from the stems and leaves of the Paeonia lactiflora Pall. ‘Zhongjiang’ (PLP-SL). The microwave-assisted extraction (MAE) and subcritical water extraction (SWE) conditions of PF that was from PLP-SL were optimized through the response surface methodology. The optimal conditions of MAE were as follows: extraction solvent, 70% EtOH; microwave extraction temperature, 61℃; liquid-to-solid ratio (LSR), 22 mL/g; and extraction time (ET), 9.5 min, and the PF extraction yield was 2.30% ± 0.19% (n = 3). The best extraction conditions of SWE were subcritical water temperature of 176℃, ET of 16 min, and LSR of 32 mL/g, and the PF extraction yield was 2.21% ± 0.11% (n = 3). Compared with SWE and ultrasonic-assisted extraction, MAE significantly reduced the amounts of organic solvent and ET. The SWE only uses water as the extraction solvent, and the obtained extracts have high PF contents (19.83% ± 0.31%) and low amounts of low-polar impurities and pigments (41.82% ± 0.80%). These features effectively simplify the subsequent purification process and reduce purification costs. Crude PF content of 67.19% was obtained by purifying PF extracted through SWE with an AB-8 macroporous resin. The recovery rate was 84.13%. Further purification with silica gel column chromatography can obtain PF with purity of ≥ 95% (HPLC). This research shows that MAE and SWE are green and efficient techniques for extracting PF from PLP-SL, although SWE is more environmentally friendly. The promotion of these green and efficient technologies can lead to the use of PLP-SL as a new source of PF, effectively promoting the green and sustainable development of the PLP industry and increasing farmers’ income.



中文翻译:

从of药的茎叶制备leaves苷。通过绿色高效微波辅助萃取和亚临界水萃取实现“中江”

这项研究的目的是建立一种绿色高效的方法,从lact药的茎和叶中提取pa药苷(PF)。颇尔 “中江”(PLP-SL)。通过响应面法优化了PLP-SL中PF的微波辅助萃取(MAE)和亚临界水萃取(SWE)条件。MAE的最佳条件如下:萃取溶剂,70%乙醇,微波提取温度61℃;液固比(LSR)为22 mL / g; 提取时间(ET)为9.5分钟,PF提取率为2.30%±0.19%(n = 3)。SWE的最佳提取条件为亚临界水温176℃,ET 16分钟和LSR为32 mL / g,PF提取率为2.21%±0.11%(n = 3)。与SWE和超声辅助萃取相比,MAE显着减少了有机溶剂和ET的量。SWE仅使用水作为提取溶剂,所得提取物的PF含量高(19.83%±0。31%)和少量的低极性杂质和颜料(41.82%±0.80%)。这些功能可有效简化后续纯化过程并降低纯化成本。通过用AB-8大孔树脂纯化通过SWE萃取的PF,粗PF含量为67.19%。回收率为84.13%。用硅胶柱色谱法进一步纯化可得到纯度≥95%的PF(HPLC)。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。推广这些绿色高效技术可以导致将PLP-SL用作PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。这些功能可有效简化后续纯化过程并降低纯化成本。通过用AB-8大孔树脂纯化通过SWE萃取的PF,粗PF含量为67.19%。回收率为84.13%。用硅胶柱色谱法进一步纯化可得到纯度≥95%的PF(HPLC)。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。推广这些绿色高效技术可以导致将PLP-SL用作PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。这些功能可有效简化后续纯化过程并降低纯化成本。通过用AB-8大孔树脂纯化通过SWE萃取的PF,粗PF含量为67.19%。回收率为84.13%。用硅胶柱色谱法进一步纯化可得到纯度≥95%的PF(HPLC)。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。这些绿色高效技术的推广可以导致使用PLP-SL作为PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。通过用AB-8大孔树脂纯化通过SWE提取的PF,可得到19%的糖。回收率为84.13%。用硅胶柱色谱法进一步纯化可得到纯度≥95%的PF(HPLC)。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。推广这些绿色高效技术可导致将PLP-SL用作PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。通过用AB-8大孔树脂纯化通过SWE萃取的PF,可得到19%的产率。回收率为84.13%。用硅胶柱色谱法进一步纯化可得到纯度≥95%的PF(HPLC)。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。这些绿色高效技术的推广可以导致使用PLP-SL作为PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。推广这些绿色高效技术可以导致将PLP-SL用作PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。这项研究表明,尽管SWE更环保,但MAE和SWE是从PLP-SL提取PF的绿色高效技术。这些绿色高效技术的推广可以导致使用PLP-SL作为PF的新来源,有效地促进PLP工业的绿色可持续发展并增加农民的收入。

更新日期:2021-02-22
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